Binding generator v2 - fix choice
[mdsal.git] / binding2 / mdsal-binding2-generator-impl / src / main / java / org / opendaylight / mdsal / binding / javav2 / generator / impl / GenHelperUtil.java
index 28aef1cc07c2fb9189e6581abd36bfa8378e1fc6..e08d7011bbb415f32e1b9fa4f8c1c8915415396c 100644 (file)
@@ -8,43 +8,92 @@
 
 package org.opendaylight.mdsal.binding.javav2.generator.impl;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.addTOToTypeBuilder;
 import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.annotateDeprecatedIfNecessary;
-import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.augGenTypeName;
 import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.constructGetter;
 import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.createDescription;
+import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.createReturnTypeForUnion;
 import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.getAugmentIdentifier;
+import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.isInnerType;
 import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.qNameConstant;
+import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.resolveInnerEnumFromTypeDefinition;
+import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.resolveListKeyTOBuilder;
+import static org.opendaylight.mdsal.binding.javav2.generator.impl.AuxiliaryGenUtils.resolveListKeyTypeBuilder;
+import static org.opendaylight.mdsal.binding.javav2.generator.util.BindingGeneratorUtil.computeDefaultSUID;
+import static org.opendaylight.mdsal.binding.javav2.generator.util.BindingGeneratorUtil.encodeAngleBrackets;
 import static org.opendaylight.mdsal.binding.javav2.generator.util.BindingGeneratorUtil.packageNameForGeneratedType;
+import static org.opendaylight.mdsal.binding.javav2.generator.util.BindingTypes.NOTIFICATION;
+import static org.opendaylight.mdsal.binding.javav2.generator.util.Types.parameterizedTypeFor;
+import static org.opendaylight.mdsal.binding.javav2.generator.util.Types.wildcardTypeFor;
+import static org.opendaylight.yangtools.yang.model.util.SchemaContextUtil.findDataSchemaNode;
+import static org.opendaylight.yangtools.yang.model.util.SchemaContextUtil.findParentModule;
 
 import com.google.common.annotations.Beta;
-import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
+import com.google.common.collect.Iterables;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.regex.Pattern;
+import java.util.Set;
+import org.opendaylight.mdsal.binding.javav2.generator.context.ModuleContext;
+import java.util.stream.Collectors;
+import org.opendaylight.mdsal.binding.javav2.generator.spi.TypeProvider;
+import org.opendaylight.mdsal.binding.javav2.generator.util.BindingGeneratorUtil;
 import org.opendaylight.mdsal.binding.javav2.generator.util.BindingTypes;
+import org.opendaylight.mdsal.binding.javav2.generator.util.JavaIdentifier;
+import org.opendaylight.mdsal.binding.javav2.generator.util.JavaIdentifierNormalizer;
+import org.opendaylight.mdsal.binding.javav2.generator.util.ReferencedTypeImpl;
 import org.opendaylight.mdsal.binding.javav2.generator.util.Types;
+import org.opendaylight.mdsal.binding.javav2.generator.util.generated.type.builder.GeneratedPropertyBuilderImpl;
+import org.opendaylight.mdsal.binding.javav2.generator.util.generated.type.builder.GeneratedTOBuilderImpl;
 import org.opendaylight.mdsal.binding.javav2.generator.util.generated.type.builder.GeneratedTypeBuilderImpl;
+import org.opendaylight.mdsal.binding.javav2.generator.yang.types.GroupingDefinitionDependencySort;
+import org.opendaylight.mdsal.binding.javav2.generator.yang.types.TypeProviderImpl;
+import org.opendaylight.mdsal.binding.javav2.model.api.AccessModifier;
 import org.opendaylight.mdsal.binding.javav2.model.api.GeneratedType;
+import org.opendaylight.mdsal.binding.javav2.model.api.ParameterizedType;
+import org.opendaylight.mdsal.binding.javav2.model.api.Restrictions;
 import org.opendaylight.mdsal.binding.javav2.model.api.Type;
+import org.opendaylight.mdsal.binding.javav2.model.api.type.builder.EnumBuilder;
+import org.opendaylight.mdsal.binding.javav2.model.api.type.builder.GeneratedPropertyBuilder;
+import org.opendaylight.mdsal.binding.javav2.model.api.type.builder.GeneratedTOBuilder;
 import org.opendaylight.mdsal.binding.javav2.model.api.type.builder.GeneratedTypeBuilder;
+import org.opendaylight.mdsal.binding.javav2.spec.base.BaseIdentity;
 import org.opendaylight.mdsal.binding.javav2.spec.base.TreeNode;
 import org.opendaylight.mdsal.binding.javav2.spec.runtime.BindingNamespaceType;
 import org.opendaylight.mdsal.binding.javav2.spec.structural.Augmentable;
 import org.opendaylight.mdsal.binding.javav2.util.BindingMapping;
 import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.model.api.AnyDataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
+import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
+import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DerivableSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
+import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.opendaylight.yangtools.yang.model.api.Status;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
 import org.opendaylight.yangtools.yang.model.api.UsesNode;
+import org.opendaylight.yangtools.yang.model.api.meta.ModelStatement;
+import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.UnionTypeDefinition;
 import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
+import org.opendaylight.yangtools.yang.model.util.SchemaNodeUtils;
 
 /**
  * Helper util class used for generation of types in Binding spec v2.
@@ -61,18 +110,19 @@ final class GenHelperUtil {
      *
      * @param module
      *            Module object from which builder will be created
-     * @param genCtx
-     * @param verboseClassComments
+     * @param genCtx generated context
+     * @param verboseClassComments verbosity switch
      *
      * @return <code>GeneratedTypeBuilder</code> which is internal
      *         representation of the module
      * @throws IllegalArgumentException
      *             if module is null
      */
-    static GeneratedTypeBuilder moduleToDataType(final Module module, Map<Module, ModuleContext> genCtx, final boolean verboseClassComments) {
+    static GeneratedTypeBuilder moduleToDataType(final Module module, final Map<Module, ModuleContext> genCtx, final boolean verboseClassComments) {
         Preconditions.checkArgument(module != null, "Module reference cannot be NULL.");
 
-        final GeneratedTypeBuilder moduleDataTypeBuilder = moduleTypeBuilder(module, "Data", verboseClassComments);
+        final GeneratedTypeBuilder moduleDataTypeBuilder = moduleTypeBuilder(module, "Data", verboseClassComments,
+                genCtx.get(module));
         addImplementedInterfaceFromUses(module, moduleDataTypeBuilder, genCtx);
         moduleDataTypeBuilder.addImplementsType(BindingTypes.TREE_ROOT);
         moduleDataTypeBuilder.addComment(module.getDescription());
@@ -90,23 +140,23 @@ final class GenHelperUtil {
      * @param postfix
      *            string which is added to the module class name representation
      *            as suffix
-     * @param verboseClassComments
+     * @param verboseClassComments verbosity switch
      * @return instance of GeneratedTypeBuilder which represents
      *         <code>module</code>.
      * @throws IllegalArgumentException
      *             if <code>module</code> is null
      */
-    private static GeneratedTypeBuilder moduleTypeBuilder(final Module module, final String postfix, final boolean
-            verboseClassComments) {
+    static GeneratedTypeBuilder moduleTypeBuilder(final Module module, final String postfix, final boolean
+            verboseClassComments, ModuleContext context) {
         Preconditions.checkArgument(module != null, "Module reference cannot be NULL.");
         final String packageName = BindingMapping.getRootPackageName(module);
-        final String moduleName = BindingMapping.getClassName(module.getName()) + postfix;
+        // underscore used as separator for distinction of module name parts
+        final String moduleName = new StringBuilder(module.getName()).append('_').append(postfix).toString();
 
-        final GeneratedTypeBuilderImpl moduleBuilder = new GeneratedTypeBuilderImpl(packageName, moduleName);
+        final GeneratedTypeBuilderImpl moduleBuilder = new GeneratedTypeBuilderImpl(packageName, moduleName, context);
         moduleBuilder.setDescription(createDescription(module, verboseClassComments));
         moduleBuilder.setReference(module.getReference());
         moduleBuilder.setModuleName(moduleName);
-
         return moduleBuilder;
     }
 
@@ -127,8 +177,8 @@ final class GenHelperUtil {
      * @param genCtx generated context
      * @return generated type builder with all implemented types
      */
-    private static GeneratedTypeBuilder addImplementedInterfaceFromUses(final DataNodeContainer dataNodeContainer,
-                          final GeneratedTypeBuilder builder, Map<Module, ModuleContext> genCtx) {
+    static GeneratedTypeBuilder addImplementedInterfaceFromUses(final DataNodeContainer dataNodeContainer,
+                          final GeneratedTypeBuilder builder, final Map<Module, ModuleContext> genCtx) {
         for (final UsesNode usesNode : dataNodeContainer.getUses()) {
             final GeneratedType genType = findGroupingByPath(usesNode.getGroupingPath(), genCtx).toInstance();
             if (genType == null) {
@@ -140,7 +190,7 @@ final class GenHelperUtil {
         return builder;
     }
 
-     static GeneratedTypeBuilder findGroupingByPath(final SchemaPath path, Map<Module, ModuleContext> genCtx) {
+     static GeneratedTypeBuilder findGroupingByPath(final SchemaPath path, final Map<Module, ModuleContext> genCtx) {
         for (final ModuleContext ctx : genCtx.values()) {
             final GeneratedTypeBuilder result = ctx.getGrouping(path);
             if (result != null) {
@@ -150,6 +200,16 @@ final class GenHelperUtil {
         return null;
      }
 
+    static GeneratedTOBuilder findIdentityByQname(final QName qname, final Map<Module, ModuleContext> genCtx) {
+        for (final ModuleContext ctx : genCtx.values()) {
+            final GeneratedTOBuilder result = ctx.getIdentities().get(qname);
+            if (result != null) {
+                return result;
+            }
+        }
+        return null;
+    }
+
     /**
      * Adds the methods to <code>typeBuilder</code> which represent subnodes of
      * node for which <code>typeBuilder</code> was created.
@@ -177,44 +237,152 @@ final class GenHelperUtil {
      */
     static GeneratedTypeBuilder resolveDataSchemaNodes(final Module module, final String basePackageName,
                           final GeneratedTypeBuilder parent, final GeneratedTypeBuilder childOf,
-                          final Iterable<DataSchemaNode> schemaNodes, Map<Module, ModuleContext> genCtx,
+                          final Iterable<DataSchemaNode> schemaNodes, final Map<Module, ModuleContext> genCtx,
                           final SchemaContext schemaContext, final boolean verboseClassComments,
-                          Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders) {
+                          final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders,
+                          final TypeProvider typeProvider, final BindingNamespaceType namespaceType) {
 
         if (schemaNodes != null && parent != null) {
             for (final DataSchemaNode schemaNode : schemaNodes) {
-                if (!schemaNode.isAugmenting() && !schemaNode.isAddedByUses()) {
+                if (resolveDataSchemaNodesCheck(module, schemaContext, schemaNode)) {
                     addSchemaNodeToBuilderAsMethod(basePackageName, schemaNode, parent, childOf, module, genCtx,
-                            schemaContext, verboseClassComments, genTypeBuilders);
+                            schemaContext, verboseClassComments, genTypeBuilders, typeProvider, namespaceType);
                 }
             }
         }
         return parent;
     }
 
-    static GeneratedTypeBuilder addDefaultInterfaceDefinition(final String packageName, final SchemaNode
-            schemaNode, final Module module, Map<Module, ModuleContext> genCtx, final SchemaContext schemaContext,
-                                                              final boolean verboseClassComments, Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders) {
-        return addDefaultInterfaceDefinition(packageName, schemaNode, null, module, genCtx, schemaContext,
-                verboseClassComments, genTypeBuilders);
+    static boolean resolveDataSchemaNodesCheck(final Module module, final SchemaContext schemaContext,
+            final DataSchemaNode schemaNode) {
+        if (!schemaNode.isAugmenting()) {
+            return true;
+        } else if (schemaNode.isAugmenting()) {
+            QName qname = schemaNode.getPath().getLastComponent();
+            final Module originalModule = schemaContext.findModuleByNamespaceAndRevision(qname.getNamespace(),
+                    qname.getRevision());
+            if (module.equals(originalModule)) {
+                return true;
+            }
+        }
+
+        return false;
     }
 
-    static Map<Module, ModuleContext> processUsesAugments(final SchemaContext schemaContext, final
-                        DataNodeContainer node, final Module module, Map<Module, ModuleContext> genCtx,  Map<String,
-                        Map<String, GeneratedTypeBuilder>> genTypeBuilders, final boolean verboseClassComments) {
-        final String basePackageName = BindingMapping.getRootPackageName(module);
-        for (final UsesNode usesNode : node.getUses()) {
-            for (final AugmentationSchema augment : usesNode.getAugmentations()) {
-                genCtx = AugmentToGenType.usesAugmentationToGenTypes(schemaContext, basePackageName, augment, module,
-                        usesNode,
-                        node, genCtx, genTypeBuilders, verboseClassComments);
-                genCtx = processUsesAugments(schemaContext, augment, module, genCtx, genTypeBuilders, verboseClassComments);
+    static GeneratedTypeBuilder addDefaultInterfaceDefinition(final String basePackageName, final SchemaNode
+            schemaNode, final Module module, final Map<Module, ModuleContext> genCtx, final SchemaContext schemaContext,
+            final boolean verboseClassComments, final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders,
+            final TypeProvider typeProvider, final BindingNamespaceType namespaceType) {
+        return addDefaultInterfaceDefinition(basePackageName, schemaNode, null, module, genCtx, schemaContext,
+                verboseClassComments, genTypeBuilders, typeProvider , namespaceType);
+    }
+
+    private static QName createQNameFromSuperNode(final Module module, final Object node, final SchemaNode superChildNode) {
+        QName childNodeQName = null;
+        if (node instanceof Module) {
+            childNodeQName = QName.create(((Module) node).getNamespace(), ((Module) node).getRevision(),
+                    superChildNode.getQName().getLocalName());
+        } else if (node instanceof SchemaNode) {
+            childNodeQName = QName.create(((SchemaNode) node).getQName(), superChildNode.getQName().getLocalName());
+        } else if (node instanceof AugmentationSchema) {
+            childNodeQName = QName.create(module.getNamespace(), module.getRevision(), superChildNode.getQName().getLocalName());
+        } else {
+            throw new IllegalArgumentException("Not support node type:" + node.toString());
+        }
+
+        return childNodeQName;
+    }
+
+    private static void addUsesImplements(final SchemaNode superNode, final Module superModule,
+            final Object node, final Module module, final SchemaContext schemaContext,
+            Map<Module, ModuleContext> genCtx, final BindingNamespaceType namespaceType) {
+        if (superNode instanceof DataNodeContainer) {
+            for (DataSchemaNode superChildNode : ((DataNodeContainer) superNode).getChildNodes()) {
+                if (superChildNode instanceof DataNodeContainer || superChildNode instanceof ChoiceSchemaNode) {
+                    final QName childQName = createQNameFromSuperNode(module, node, superChildNode);
+                    DataSchemaNode childNode = ((DataNodeContainer) node).getDataChildByName(childQName);
+                    Preconditions.checkNotNull(childNode, node.toString() + "->" + childQName.toString());
+
+                    final GeneratedTypeBuilder type = genCtx.get(module).getChildNode(childNode.getPath());
+                    final GeneratedTypeBuilder superType = genCtx.get(superModule).getChildNode(superChildNode.getPath());
+
+                    Preconditions.checkNotNull(type, module.toString() + "->" + childNode.getPath().toString());
+                    Preconditions.checkNotNull(superType, superModule.toString() + "->" + superChildNode.getPath().toString());
+                    type.addImplementsType(superType);
+                    if (superChildNode instanceof ListSchemaNode
+                            && !((ListSchemaNode) superChildNode).getKeyDefinition().isEmpty()) {
+                        if (namespaceType.equals(BindingNamespaceType.Grouping)) {
+                            genCtx.get(module).getKeyType(childNode.getPath())
+                                    .addImplementsType(genCtx.get(superModule).getKeyType(superChildNode.getPath()));
+                        } else if (namespaceType.equals(BindingNamespaceType.Data)) {
+                            genCtx.get(module).getKeyGenTO(childNode.getPath())
+                                    .addImplementsType(genCtx.get(superModule).getKeyType(superChildNode.getPath()));
+                        }
+                    }
+                    addUsesImplements(superChildNode, superModule, childNode, module, schemaContext, genCtx, namespaceType);
+                }
+            }
+        } else if (superNode instanceof ChoiceSchemaNode) {
+            for (ChoiceCaseNode superCaseNode : ((ChoiceSchemaNode) superNode).getCases()) {
+                final QName childQName = createQNameFromSuperNode(module, node, superCaseNode);
+                ChoiceCaseNode caseNode = ((ChoiceSchemaNode) node).getCaseNodeByName(childQName);
+                Preconditions.checkNotNull(caseNode, node.toString() + "->" + childQName.toString());
+
+                final GeneratedTypeBuilder type = genCtx.get(module).getCase(caseNode.getPath());
+                final GeneratedTypeBuilder superType = genCtx.get(superModule).getCase(superCaseNode.getPath());
+                Preconditions.checkNotNull(type, module.toString() + "->" + caseNode.getPath().toString());
+                Preconditions.checkNotNull(superType, superModule.toString() + "->" + superCaseNode.getPath().toString());
+                type.addImplementsType(superType);
+                addUsesImplements(superCaseNode, superModule, caseNode, module, schemaContext, genCtx, namespaceType);
+            }
+        } else {
+            throw new IllegalArgumentException("Not support super node :" + superNode.toString());
+        }
+    }
+
+    private static GroupingDefinition findGroupingNodeFromUses(final Module module, final SchemaContext schemaContext,
+            final Object parentNode, final UsesNode usesNode) {
+        SchemaNode groupingNode;
+        if (parentNode instanceof Module) {
+            final Module superModule = schemaContext.findModuleByNamespaceAndRevision(
+                    usesNode.getGroupingPath().getLastComponent().getModule().getNamespace(),
+                    usesNode.getGroupingPath().getLastComponent().getModule().getRevision());
+            groupingNode = superModule.getGroupings()
+                    .stream().filter(grouping -> grouping.getPath().equals(usesNode.getGroupingPath()))
+                    .findFirst().orElse(null);
+        } else {
+            //FIXME: Schema path is not unique for Yang 1.1, findDataSchemaNode always does search from data node first.
+            final Iterable<QName> prefixedPath = usesNode.getGroupingPath().getPathFromRoot();
+            final QName current = prefixedPath.iterator().next();
+            final Module targetModule = schemaContext.findModuleByNamespaceAndRevision(current.getNamespace(), current.getRevision());
+            Preconditions.checkArgument(targetModule != null, "Cannot find target module for %s and %s.",
+                    current.getNamespace(), current.getRevision());
+            groupingNode = targetModule.getGroupings().stream().filter(grouping -> grouping.getPath().equals(usesNode.getGroupingPath()))
+                    .collect(Collectors.toList()).get(0);
+            if (groupingNode == null) {
+                groupingNode = SchemaContextUtil.findDataSchemaNode(schemaContext, usesNode.getGroupingPath());
+            }
+        }
+        Preconditions.checkNotNull(groupingNode, module.toString() + "->"
+                + usesNode.getGroupingPath().toString());
+        Preconditions.checkState(groupingNode instanceof GroupingDefinition,
+                module.toString() + "->" + usesNode.getGroupingPath().toString());
+        return (GroupingDefinition) groupingNode;
+    }
+
+    static Map<Module, ModuleContext> processUsesImplements(final Object node, final Module module,
+            final SchemaContext schemaContext, Map<Module, ModuleContext> genCtx, final BindingNamespaceType namespaceType) {
+        if (node instanceof DataNodeContainer) {
+            for (final UsesNode usesNode : ((DataNodeContainer) node).getUses()) {
+                final GroupingDefinition grouping = findGroupingNodeFromUses(module, schemaContext, node, usesNode);
+                final Module superModule = SchemaContextUtil.findParentModule(schemaContext, grouping);
+                addUsesImplements(grouping, superModule, node, module, schemaContext, genCtx, namespaceType);
             }
         }
         return genCtx;
     }
 
-    static GeneratedTypeBuilder findChildNodeByPath(final SchemaPath path, Map<Module, ModuleContext> genCtx) {
+    static GeneratedTypeBuilder findChildNodeByPath(final SchemaPath path, final Map<Module, ModuleContext> genCtx) {
         for (final ModuleContext ctx : genCtx.values()) {
             final GeneratedTypeBuilder result = ctx.getChildNode(path);
             if (result != null) {
@@ -224,7 +392,7 @@ final class GenHelperUtil {
         return null;
     }
 
-    static GeneratedTypeBuilder findCaseByPath(final SchemaPath path, Map<Module, ModuleContext> genCtx) {
+    static GeneratedTypeBuilder findCaseByPath(final SchemaPath path, final Map<Module, ModuleContext> genCtx) {
         for (final ModuleContext ctx : genCtx.values()) {
             final GeneratedTypeBuilder result = ctx.getCase(path);
             if (result != null) {
@@ -234,59 +402,53 @@ final class GenHelperUtil {
         return null;
     }
 
-    /**
-     * Returns a generated type builder for an augmentation.
-     *
-     * The name of the type builder is equal to the name of augmented node with
-     * serial number as suffix.
-     *
-     * @param module
-     *            current module
-     * @param augmentPackageName
-     *            string with contains the package name to which the augment
-     *            belongs
-     * @param basePackageName
-     *            string with the package name to which the augmented node
-     *            belongs
-     * @param targetTypeRef
-     *            target type
-     * @param augSchema
-     *            augmentation schema which contains data about the child nodes
-     *            and uses of augment
-     * @return generated type builder for augment in genCtx
-     */
     static Map<Module, ModuleContext> addRawAugmentGenTypeDefinition(final Module module, final String augmentPackageName,
-                final String basePackageName, final Type targetTypeRef, final AugmentationSchema augSchema,
-                Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, Map<Module, ModuleContext> genCtx) {
+            final Type targetTypeRef, final SchemaNode targetNode, final List<AugmentationSchema> schemaPathAugmentListEntry,
+            final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final Map<Module, ModuleContext> genCtx,
+            final SchemaContext schemaContext, final boolean verboseClassComments, final TypeProvider typeProvider,
+            final BindingNamespaceType namespaceType) {
+
+        //pick augmentation grouped by augmentation target, there is always at least one
+        final AugmentationSchema augSchema = schemaPathAugmentListEntry.get(0);
 
-        Map<String, GeneratedTypeBuilder> augmentBuilders = genTypeBuilders.get(augmentPackageName);
-        if (augmentBuilders == null) {
-            augmentBuilders = new HashMap<>();
-            genTypeBuilders.put(augmentPackageName, augmentBuilders);
+        Map<String, GeneratedTypeBuilder> augmentBuilders = genTypeBuilders.computeIfAbsent(
+                augmentPackageName, k -> new HashMap<>());
+
+        //this requires valid semantics in YANG model
+        String augIdentifier = null;
+        for (AugmentationSchema aug : schemaPathAugmentListEntry) {
+            augIdentifier = getAugmentIdentifier(aug.getUnknownSchemaNodes());
+            break;
         }
-        final String augIdentifier = getAugmentIdentifier(augSchema.getUnknownSchemaNodes());
 
-        String augTypeName;
-        if (augIdentifier != null) {
-            augTypeName = BindingMapping.getClassName(augIdentifier);
-        } else {
-            augTypeName = augGenTypeName(augmentBuilders, targetTypeRef.getName());
+        if (augIdentifier == null) {
+            augIdentifier = new StringBuilder(module.getName())
+                    .append('_').append(targetNode.getQName().getLocalName()).toString();
         }
 
-        GeneratedTypeBuilder augTypeBuilder = new GeneratedTypeBuilderImpl(augmentPackageName, augTypeName);
+        GeneratedTypeBuilderImpl augTypeBuilder = new GeneratedTypeBuilderImpl(augmentPackageName, augIdentifier,
+                true, false, genCtx.get(module));
 
         augTypeBuilder.addImplementsType(BindingTypes.TREE_NODE);
+        augTypeBuilder.addImplementsType(parameterizedTypeFor(BindingTypes.INSTANTIABLE, augTypeBuilder));
         augTypeBuilder.addImplementsType(Types.augmentationTypeFor(targetTypeRef));
+        augTypeBuilder.setBasePackageName(BindingMapping.getRootPackageName(module));
+        augTypeBuilder.setWithBuilder(true);
         annotateDeprecatedIfNecessary(augSchema.getStatus(), augTypeBuilder);
-        augTypeBuilder = addImplementedInterfaceFromUses(augSchema, augTypeBuilder, genCtx);
 
-        augTypeBuilder = augSchemaNodeToMethods(module, basePackageName, augTypeBuilder, augTypeBuilder, augSchema
-                .getChildNodes());
-        augmentBuilders.put(augTypeName, augTypeBuilder);
+        //produces getters for augTypeBuilder eventually
+        for (AugmentationSchema aug : schemaPathAugmentListEntry) {
+            //apply all uses
+            addImplementedInterfaceFromUses(aug, augTypeBuilder, genCtx);
+            augSchemaNodeToMethods(module, BindingMapping.getRootPackageName(module), augTypeBuilder, augTypeBuilder, aug.getChildNodes(),
+               genCtx, schemaContext, verboseClassComments, typeProvider, genTypeBuilders, namespaceType);
+        }
+
+        augmentBuilders.put(augTypeBuilder.getName(), augTypeBuilder);
 
         if(!augSchema.getChildNodes().isEmpty()) {
             genCtx.get(module).addTypeToAugmentation(augTypeBuilder, augSchema);
-
+            genCtx.get(module).addTargetToAugmentation(augTypeBuilder, augSchema.getTargetPath());
         }
         genCtx.get(module).addAugmentType(augTypeBuilder);
         return genCtx;
@@ -315,13 +477,15 @@ final class GenHelperUtil {
      *         added to it.
      */
     private static GeneratedTypeBuilder augSchemaNodeToMethods(final Module module, final String basePackageName,
-                                                        final GeneratedTypeBuilder typeBuilder, final GeneratedTypeBuilder childOf,
-                                                        final Iterable<DataSchemaNode> schemaNodes) {
-        if ((schemaNodes != null) && (typeBuilder != null)) {
+            final GeneratedTypeBuilder typeBuilder, final GeneratedTypeBuilder childOf, final Iterable<DataSchemaNode> schemaNodes,
+            final Map<Module, ModuleContext> genCtx, final SchemaContext schemaContext, final boolean
+            verboseClassComments, final TypeProvider typeProvider, final Map<String, Map<String,
+            GeneratedTypeBuilder>> genTypeBuilders, final BindingNamespaceType namespaceType) {
+        if (schemaNodes != null && typeBuilder != null) {
             for (final DataSchemaNode schemaNode : schemaNodes) {
                 if (!schemaNode.isAugmenting()) {
-                    //TODO: design decomposition and implement it
-                    //addSchemaNodeToBuilderAsMethod(basePackageName, schemaNode, typeBuilder, childOf, module);
+                    addSchemaNodeToBuilderAsMethod(basePackageName, schemaNode, typeBuilder, childOf, module, genCtx,
+                            schemaContext, verboseClassComments, genTypeBuilders, typeProvider, namespaceType);
                 }
             }
         }
@@ -342,9 +506,8 @@ final class GenHelperUtil {
      * DataNodeContainer} it can also implement nodes which are specified in
      * <i>uses</i>.
      *
-     * @param packageName
-     *            string with the name of the package to which
-     *            <code>schemaNode</code> belongs.
+     * @param basePackageName
+     *            string contains the module package name
      * @param schemaNode
      *            schema node for which is created generated type builder
      * @param parent
@@ -352,30 +515,79 @@ final class GenHelperUtil {
      * @param schemaContext schema context
      * @return generated type builder <code>schemaNode</code>
      */
-    private static GeneratedTypeBuilder addDefaultInterfaceDefinition(final String packageName, final SchemaNode
-            schemaNode, final Type parent, final Module module, Map<Module, ModuleContext> genCtx,
-            final SchemaContext schemaContext, final boolean verboseClassComments, Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders) {
+    private static GeneratedTypeBuilder addDefaultInterfaceDefinition(final String basePackageName, final SchemaNode
+            schemaNode, final Type parent, final Module module, final Map<Module, ModuleContext> genCtx,
+            final SchemaContext schemaContext, final boolean verboseClassComments, final Map<String, Map<String,
+            GeneratedTypeBuilder>> genTypeBuilders, final TypeProvider typeProvider, final BindingNamespaceType namespaceType) {
 
-        GeneratedTypeBuilder it = addRawInterfaceDefinition(packageName, schemaNode, schemaContext, "",
-                verboseClassComments, genTypeBuilders);
-        if (parent == null) {
-            it.addImplementsType(BindingTypes.TREE_NODE);
-        } else {
-            it.addImplementsType(BindingTypes.treeChildNode(parent));
+        String suffix = "";
+        if (schemaNode instanceof GroupingDefinition) {
+            suffix = "grouping";
+        } else if (namespaceType.equals(BindingNamespaceType.Grouping)) {
+            suffix = "data";
         }
-        if (!(schemaNode instanceof GroupingDefinition)) {
-            it.addImplementsType(BindingTypes.augmentable(it));
+
+        GeneratedTypeBuilder it = addRawInterfaceDefinition(basePackageName, schemaNode, schemaContext, "", suffix,
+                verboseClassComments, genTypeBuilders, namespaceType, genCtx.get(module));
+        if (namespaceType.equals(BindingNamespaceType.Data)) {
+            if (parent == null) {
+                it.addImplementsType(BindingTypes.TREE_NODE);
+            } else {
+                if (parent instanceof ListSchemaNode) {
+                    it.addImplementsType(parameterizedTypeFor(BindingTypes.TREE_CHILD_NODE, parent, parameterizedTypeFor
+                            (BindingTypes.IDENTIFIABLE_ITEM, parent)));
+                } else {
+                    it.addImplementsType(parameterizedTypeFor(BindingTypes.TREE_CHILD_NODE, parent, parameterizedTypeFor
+                            (BindingTypes.ITEM, parent)));
+                    it.addImplementsType(parameterizedTypeFor(BindingTypes.INSTANTIABLE, it));
+                }
+            }
+
+            if (!(schemaNode instanceof GroupingDefinition)) {
+                it.addImplementsType(BindingTypes.augmentable(it));
+            }
+        } else {
+            it.addImplementsType(BindingTypes.TREE_NODE);
         }
 
         if (schemaNode instanceof DataNodeContainer) {
-            //TODO: design decomposition and implement it
-            //groupingsToGenTypes(module, ((DataNodeContainer) schemaNode).getGroupings());
+            groupingsToGenTypes(module, ((DataNodeContainer) schemaNode).getGroupings(), genCtx, schemaContext,
+                    verboseClassComments, genTypeBuilders, typeProvider);
             it = addImplementedInterfaceFromUses((DataNodeContainer) schemaNode, it, genCtx);
         }
 
         return it;
     }
 
+    static GeneratedTypeBuilder resolveNotification(final GeneratedTypeBuilder listenerInterface, String
+            parentName, final String basePackageName, final NotificationDefinition notification, final Module module,
+            final SchemaContext schemaContext, final boolean verboseClassComments, Map<String, Map<String, GeneratedTypeBuilder>>
+            genTypeBuilders, TypeProvider typeProvider, Map<Module, ModuleContext> genCtx) {
+        final GeneratedTypeBuilder notificationInterface = addDefaultInterfaceDefinition
+                (basePackageName, notification, null, module, genCtx, schemaContext,
+                        verboseClassComments, genTypeBuilders, typeProvider, BindingNamespaceType.Data);
+        annotateDeprecatedIfNecessary(notification.getStatus(), notificationInterface);
+        notificationInterface.addImplementsType(NOTIFICATION);
+        genCtx.get(module).addChildNodeType(notification, notificationInterface);
+
+        // Notification object
+        resolveDataSchemaNodes(module, basePackageName, notificationInterface,
+                notificationInterface, notification.getChildNodes(), genCtx, schemaContext,
+                verboseClassComments, genTypeBuilders, typeProvider, BindingNamespaceType.Data);
+
+        //in case of tied notification, incorporate parent's localName
+        final StringBuilder sb = new StringBuilder("on_");
+        if (parentName != null) {
+            sb.append(parentName).append('_');
+        }
+        sb.append(notificationInterface.getName());
+
+        listenerInterface.addMethod(JavaIdentifierNormalizer.normalizeSpecificIdentifier(sb.toString(), JavaIdentifier.METHOD))
+                .setAccessModifier(AccessModifier.PUBLIC).addParameter(notificationInterface, "notification")
+                .setComment(encodeAngleBrackets(notification.getDescription())).setReturnType(Types.VOID);
+        return listenerInterface;
+    }
+
     /**
      * Returns reference to generated type builder for specified
      * <code>schemaNode</code> with <code>packageName</code>.
@@ -384,12 +596,11 @@ final class GenHelperUtil {
      * {@link BindingGeneratorImpl#genTypeBuilders genTypeBuilders}. If it isn't
      * found it is created and added to <code>genTypeBuilders</code>.
      *
-     * @param packageName
-     *            string with the package name to which returning generated type
-     *            builder belongs
+     * @param basePackageName
+     *            string contains the module package name
      * @param schemaNode
      *            schema node which provide data about the schema node name
-     * @param schemaContext
+     * @param schemaContext schema context
      * @param prefix
      *            return type name prefix
      * @return generated type builder for <code>schemaNode</code>
@@ -402,39 +613,47 @@ final class GenHelperUtil {
      *             </ul>
      *
      */
-    private static GeneratedTypeBuilder addRawInterfaceDefinition(final String packageName, final SchemaNode schemaNode,
-                       final SchemaContext schemaContext, final String prefix, final boolean verboseClassComments,
-                       Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders) {
+    static GeneratedTypeBuilder addRawInterfaceDefinition(final String basePackageName, final SchemaNode schemaNode,
+            final SchemaContext schemaContext, final String prefix, final String suffix,
+            final boolean verboseClassComments, final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders,
+            final BindingNamespaceType namespaceType, ModuleContext context) {
 
         Preconditions.checkArgument(schemaNode != null, "Data Schema Node cannot be NULL.");
-        Preconditions.checkArgument(packageName != null, "Package Name for Generated Type cannot be NULL.");
-        final String schemaNodeName = schemaNode.getQName().getLocalName();
+        Preconditions.checkArgument(basePackageName != null, "Base package Name for Generated Type cannot be NULL.");
+        String schemaNodeName = schemaNode.getQName().getLocalName();
         Preconditions.checkArgument(schemaNodeName != null, "Local Name of QName for Data Schema Node cannot be NULL.");
 
-        String genTypeName;
-        if (prefix == null) {
-            genTypeName = BindingMapping.getClassName(schemaNodeName);
-        } else {
-            genTypeName = prefix + BindingMapping.getClassName(schemaNodeName);
+        if (prefix != null && !prefix.isEmpty()) {
+            // underscore used as separator for distinction of class name parts
+            schemaNodeName = new StringBuilder(prefix).append('_').append(schemaNodeName).toString();
+        }
+
+        if (suffix != null && !suffix.isEmpty()) {
+            // underscore used as separator for distinction of class name parts
+            schemaNodeName = new StringBuilder(schemaNodeName).append('_').append(suffix).toString();
         }
 
-        final GeneratedTypeBuilderImpl newType = new GeneratedTypeBuilderImpl(packageName, genTypeName);
+        final String packageName = packageNameForGeneratedType(basePackageName, schemaNode.getPath(), namespaceType);
+        final GeneratedTypeBuilderImpl newType = new GeneratedTypeBuilderImpl(packageName, schemaNodeName, context);
         final Module module = SchemaContextUtil.findParentModule(schemaContext, schemaNode);
         qNameConstant(newType, BindingMapping.QNAME_STATIC_FIELD_NAME, schemaNode.getQName());
         newType.addComment(schemaNode.getDescription());
-        newType.setDescription(createDescription(schemaNode, newType.getFullyQualifiedName(), schemaContext, verboseClassComments));
+        newType.setDescription(createDescription(schemaNode, newType.getFullyQualifiedName(), schemaContext,
+                verboseClassComments, namespaceType));
         newType.setReference(schemaNode.getReference());
         newType.setSchemaPath((List<QName>) schemaNode.getPath().getPathFromRoot());
         newType.setModuleName(module.getName());
+        newType.setBasePackageName(BindingMapping.getRootPackageName(module));
+        newType.setWithBuilder(AuxiliaryGenUtils.hasBuilderClass(schemaNode, namespaceType));
 
         if (!genTypeBuilders.containsKey(packageName)) {
             final Map<String, GeneratedTypeBuilder> builders = new HashMap<>();
-            builders.put(genTypeName, newType);
+            builders.put(newType.getName(), newType);
             genTypeBuilders.put(packageName, builders);
         } else {
             final Map<String, GeneratedTypeBuilder> builders = genTypeBuilders.get(packageName);
-            if (!builders.containsKey(genTypeName)) {
-                builders.put(genTypeName, newType);
+            if (!builders.containsKey(newType.getName())) {
+                builders.put(newType.getName(), newType);
             }
         }
         return newType;
@@ -443,57 +662,780 @@ final class GenHelperUtil {
 
     private static void addSchemaNodeToBuilderAsMethod(final String basePackageName, final DataSchemaNode node,
         final GeneratedTypeBuilder typeBuilder, final GeneratedTypeBuilder childOf, final Module module,
-        Map<Module, ModuleContext> genCtx, final SchemaContext schemaContext, final boolean verboseClassComments,
-        Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders) {
-        //TODO: implement rest of schema nodes GTO building
+        final Map<Module, ModuleContext> genCtx, final SchemaContext schemaContext, final boolean verboseClassComments,
+        final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final TypeProvider typeProvider,
+        final BindingNamespaceType namespaceType) {
+
         if (node != null && typeBuilder != null) {
             if (node instanceof ContainerSchemaNode) {
                 containerToGenType(module, basePackageName, typeBuilder, childOf, (ContainerSchemaNode) node,
-                        schemaContext, verboseClassComments, genCtx, genTypeBuilders);
+                        schemaContext, verboseClassComments, genCtx, genTypeBuilders, typeProvider, namespaceType);
+            } else if (node instanceof LeafListSchemaNode) {
+                resolveLeafListSchemaNode(schemaContext, typeBuilder, (LeafListSchemaNode) node, module,
+                            typeProvider, genCtx);
+            } else if (node instanceof LeafSchemaNode) {
+                resolveLeafSchemaNodeAsMethod("", schemaContext, typeBuilder, genCtx, (LeafSchemaNode) node, module,
+                        typeProvider);
+            } else if (node instanceof ListSchemaNode) {
+                listToGenType(module, basePackageName, typeBuilder, childOf, (ListSchemaNode) node, schemaContext,
+                        verboseClassComments, genCtx, genTypeBuilders, typeProvider, namespaceType);
+            } else if (node instanceof ChoiceSchemaNode) {
+                choiceToGenType(module, schemaContext, verboseClassComments, basePackageName, typeBuilder,
+                        (ChoiceSchemaNode) node, genTypeBuilders, genCtx, typeProvider, namespaceType);
+            } else if (node instanceof AnyXmlSchemaNode || node instanceof AnyDataSchemaNode) {
+                resolveAnyNodeAsMethod(schemaContext, typeBuilder, genCtx, node, module, typeProvider);
             }
         }
+    }
+
+    /**
+     * Converts <code>choiceNode</code> to the list of generated types for
+     * choice and its cases.
+     *
+     * The package names for choice and for its cases are created as
+     * concatenation of the module package (<code>basePackageName</code>) and
+     * names of all parents node.
+     *
+     * @param module
+     *            current module
+     * @param basePackageName
+     *            string with the module package name
+     * @param parent
+     *            parent type
+     * @param choiceNode
+     *            choice node which is mapped to generated type. Also child
+     *            nodes - cases are mapped to generated types.
+     * @throws IllegalArgumentException
+     *             <ul>
+     *             <li>if <code>basePackageName</code> is null</li>
+     *             <li>if <code>choiceNode</code> is null</li>
+     *             </ul>
+     */
+    private static void choiceToGenType(final Module module, final SchemaContext schemaContext, final boolean
+            verboseClasssComments, final String basePackageName, final GeneratedTypeBuilder parent, final
+            ChoiceSchemaNode choiceNode, final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders,
+            final Map<Module, ModuleContext> genCtx, final TypeProvider typeProvider, final BindingNamespaceType namespaceType) {
+        checkArgument(basePackageName != null, "Base Package Name cannot be NULL.");
+        checkArgument(choiceNode != null, "Choice Schema Node cannot be NULL.");
 
+        final GeneratedTypeBuilder choiceTypeBuilder = addRawInterfaceDefinition(basePackageName, choiceNode,
+                schemaContext, "", "", verboseClasssComments, genTypeBuilders, namespaceType, genCtx.get(module));
+        constructGetter(parent, choiceNode.getQName().getLocalName(),
+                choiceNode.getDescription(), choiceTypeBuilder, choiceNode.getStatus());
+        if (namespaceType.equals(BindingNamespaceType.Data)) {
+            choiceTypeBuilder.addImplementsType(parameterizedTypeFor(BindingTypes.INSTANTIABLE, choiceTypeBuilder));
+        }
+        annotateDeprecatedIfNecessary(choiceNode.getStatus(), choiceTypeBuilder);
+        genCtx.get(module).addChildNodeType(choiceNode, choiceTypeBuilder);
+        generateTypesFromChoiceCases(module, schemaContext, genCtx, basePackageName, choiceTypeBuilder.toInstance(),
+            choiceNode, verboseClasssComments, typeProvider, genTypeBuilders, namespaceType);
     }
 
     private static void containerToGenType(final Module module, final String basePackageName,
         final GeneratedTypeBuilder parent, final GeneratedTypeBuilder childOf, final ContainerSchemaNode node,
-        final SchemaContext schemaContext, final boolean verboseClassComments, Map<Module, ModuleContext> genCtx,
-        Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders) {
+        final SchemaContext schemaContext, final boolean verboseClassComments, final Map<Module, ModuleContext> genCtx,
+        final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final TypeProvider typeProvider,
+        final BindingNamespaceType namespaceType) {
 
         final GeneratedTypeBuilder genType = processDataSchemaNode(module, basePackageName, childOf, node,
-                schemaContext, verboseClassComments, genCtx, genTypeBuilders);
+                schemaContext, verboseClassComments, genCtx, genTypeBuilders, typeProvider, namespaceType);
         if (genType != null) {
-            constructGetter(parent, node.getQName().getLocalName(), node.getDescription(), genType, node.getStatus());
+            StringBuilder getterName = new StringBuilder(node.getQName().getLocalName());
+            constructGetter(parent, getterName.toString(), node.getDescription(), genType, node.getStatus());
             resolveDataSchemaNodes(module, basePackageName, genType, genType, node.getChildNodes(), genCtx,
-                    schemaContext, verboseClassComments, genTypeBuilders);
+                    schemaContext, verboseClassComments, genTypeBuilders, typeProvider, namespaceType);
+            processUsesImplements(node, module, schemaContext, genCtx, namespaceType);
         }
     }
 
-    private static GeneratedTypeBuilder processDataSchemaNode(final Module module, final String basePackageName,
-        final GeneratedTypeBuilder childOf, final DataSchemaNode node, final SchemaContext schemaContext,
-        final boolean verboseClassComments, Map<Module, ModuleContext> genCtx, Map<String, Map<String,
-        GeneratedTypeBuilder>> genTypeBuilders) {
+    private static void listToGenType(final Module module, final String basePackageName, final GeneratedTypeBuilder
+            parent, final GeneratedTypeBuilder childOf, final ListSchemaNode node, final SchemaContext schemaContext,
+            final boolean verboseClassComments, final Map<Module, ModuleContext> genCtx,
+            final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final TypeProvider typeProvider,
+            final BindingNamespaceType namespaceType) {
+
+        final GeneratedTypeBuilder genType = processDataSchemaNode(module, basePackageName, childOf, node,
+                schemaContext, verboseClassComments, genCtx, genTypeBuilders, typeProvider, namespaceType);
+        if (genType != null) {
+            final String nodeName = node.getQName().getLocalName();
+
+            Type getterReturnType = Types.listTypeFor(genType);
+            if (namespaceType.equals(BindingNamespaceType.Grouping)) {
+                getterReturnType = Types.listTypeFor(wildcardTypeFor(genType.getPackageName(), genType.getName(),
+                                true, true, null));
+            }
+            constructGetter(parent, nodeName, node.getDescription(), getterReturnType, node.getStatus());
+
+            final List<QName> listKeys = node.getKeyDefinition();
+            final String packageName = new StringBuilder(packageNameForGeneratedType(basePackageName, node.getPath(),
+                    BindingNamespaceType.Key)).append('.').append(nodeName).toString();
+            //FIXME: Is it neccessary to generate interface of key and implemented by class?
+            if (namespaceType.equals(BindingNamespaceType.Grouping)) {
+                final GeneratedTypeBuilder genTypeBuilder = resolveListKeyTypeBuilder(packageName, node, genCtx.get(module));
+                for (final DataSchemaNode schemaNode : node.getChildNodes()) {
+                    if (resolveDataSchemaNodesCheck(module, schemaContext, schemaNode)) {
+                        addSchemaNodeToListTypeBuilders(nodeName, basePackageName, schemaNode, genType, genTypeBuilder, listKeys,
+                                module, typeProvider, schemaContext, genCtx, genTypeBuilders, verboseClassComments, namespaceType);
+                    }
+                }
+                if (genTypeBuilder != null) {
+                    typeBuildersToGenTypes(module, genType, genTypeBuilder.toInstance(), genCtx, namespaceType);
+                    genCtx.get(module).addKeyType(node.getPath(), genTypeBuilder);
+                }
+                processUsesImplements(node, module, schemaContext, genCtx, namespaceType);
+            } else {
+                final GeneratedTOBuilder genTOBuilder = resolveListKeyTOBuilder(packageName, node, genCtx.get(module));
+                for (final DataSchemaNode schemaNode : node.getChildNodes()) {
+                    if (resolveDataSchemaNodesCheck(module, schemaContext, schemaNode)) {
+                        addSchemaNodeToListBuilders(nodeName, basePackageName, schemaNode, genType, genTOBuilder, listKeys,
+                                module, typeProvider, schemaContext, genCtx, genTypeBuilders, verboseClassComments, namespaceType);
+                    }
+                }
+                processUsesImplements(node, module, schemaContext, genCtx, namespaceType);
+
+                // serialVersionUID
+                if (genTOBuilder != null) {
+                    final GeneratedPropertyBuilder prop = new GeneratedPropertyBuilderImpl("serialVersionUID");
+                    prop.setValue(Long.toString(computeDefaultSUID(genTOBuilder)));
+                    genTOBuilder.setSUID(prop);
+
+                    typeBuildersToGenTypes(module, genType, genTOBuilder.toInstance(), genCtx, namespaceType);
+                    genCtx.get(module).addGeneratedTOBuilder(node.getPath(), genTOBuilder);
+                }
+            }
+        }
+    }
+
+    private static void typeBuildersToGenTypes(final Module module, final GeneratedTypeBuilder typeBuilder,
+            final Type keyType, final Map<Module, ModuleContext> genCtx,
+            final BindingNamespaceType namespaceType) {
+        checkArgument(typeBuilder != null, "Generated Type Builder cannot be NULL.");
+        if (keyType != null) {
+            Type returnKeyType = keyType;
+            if (namespaceType.equals(BindingNamespaceType.Grouping)) {
+                returnKeyType = wildcardTypeFor(keyType.getPackageName(), keyType.getName(),
+                        true, true, null);
+            }
+            constructGetter(typeBuilder, "key", "Returns Primary Key of Yang List Type", returnKeyType, Status.CURRENT);
+
+        }
+    }
+
+    /**
+     * Converts <code>leaf</code> to the getter method which is added to
+     * <code>typeBuilder</code>.
+     *
+     * @param typeBuilder
+     *            generated type builder to which is added getter method as
+     *            <code>leaf</code> mapping
+     * @param leaf
+     *            leaf schema node which is mapped as getter method which is
+     *            added to <code>typeBuilder</code>
+     * @param module
+     *            Module in which type was defined
+     * @return boolean value
+     *         <ul>
+     *         <li>false - if <code>leaf</code> or <code>typeBuilder</code> are
+     *         null</li>
+     *         <li>true - in other cases</li>
+     *         </ul>
+     */
+    private static Type resolveLeafSchemaNodeAsMethod(final String nodeName, final SchemaContext schemaContext,
+            final GeneratedTypeBuilder typeBuilder, final Map<Module, ModuleContext> genCtx, final LeafSchemaNode leaf,
+            final Module module, final TypeProvider typeProvider) {
+        if (leaf == null || typeBuilder == null) {
+            return null;
+        }
+
+        final String leafName = leaf.getQName().getLocalName();
+        if (leafName == null) {
+            return null;
+        }
+
+        final Module parentModule = findParentModule(schemaContext, leaf);
+        Type returnType = null;
+
+        final TypeDefinition<?> typeDef = leaf.getType();
+
+        if (leaf.isAddedByUses()) {
+            Preconditions.checkState(leaf instanceof DerivableSchemaNode);
+            if (isInnerType(leaf, typeDef)) {
+                final Restrictions restrictions = BindingGeneratorUtil.getRestrictions(typeDef);
+                returnType = typeProvider.javaTypeForSchemaDefinitionType(getBaseOrDeclaredType(typeDef), leaf,
+                        restrictions, genCtx.get(module));
+            } else {
+                if (typeDef.getBaseType() == null && (typeDef instanceof EnumTypeDefinition
+                        || typeDef instanceof UnionTypeDefinition || typeDef instanceof BitsTypeDefinition)) {
+                    LeafSchemaNode originalLeaf = (LeafSchemaNode) ((DerivableSchemaNode) leaf).getOriginal().orNull();
+                    Preconditions.checkNotNull(originalLeaf);
+                    returnType = genCtx.get(findParentModule(schemaContext, originalLeaf)).getInnerType(typeDef.getPath());
+                } else {
+                    final Restrictions restrictions = BindingGeneratorUtil.getRestrictions(typeDef);
+                    returnType = typeProvider.javaTypeForSchemaDefinitionType(typeDef, leaf, restrictions, genCtx.get(module));
+                }
+            }
+        } else if (isInnerType(leaf, typeDef)) {
+            if (typeDef instanceof EnumTypeDefinition) {
+                returnType = typeProvider.javaTypeForSchemaDefinitionType(typeDef, leaf, genCtx.get(module));
+                final EnumTypeDefinition enumTypeDef = (EnumTypeDefinition) typeDef;
+                final EnumBuilder enumBuilder = resolveInnerEnumFromTypeDefinition(enumTypeDef, leaf.getQName(),
+                        genCtx, typeBuilder, module);
+                if (enumBuilder != null) {
+                    returnType = enumBuilder.toInstance(typeBuilder);
+                }
+                ((TypeProviderImpl) typeProvider).putReferencedType(leaf.getPath(), returnType);
+            } else if (typeDef instanceof UnionTypeDefinition) {
+                final GeneratedTOBuilder genTOBuilder = addTOToTypeBuilder(typeDef, typeBuilder, leaf, parentModule,
+                        typeProvider, schemaContext, genCtx.get(module), genCtx);
+                if (genTOBuilder != null) {
+                    //TODO: https://bugs.opendaylight.org/show_bug.cgi?id=2289
+                    returnType = createReturnTypeForUnion(genTOBuilder, typeDef, typeBuilder, parentModule, typeProvider);
+                }
+            } else if (typeDef instanceof BitsTypeDefinition) {
+                final GeneratedTOBuilder genTOBuilder = addTOToTypeBuilder(typeDef, typeBuilder, leaf, parentModule,
+                        typeProvider, schemaContext, genCtx.get(module), genCtx);
+                if (genTOBuilder != null) {
+                    returnType = genTOBuilder.toInstance();
+                }
+            } else {
+                // It is constrained version of already declared type (inner declared type exists,
+                // onlyfor special cases (Enum, Union, Bits), which were already checked.
+                // In order to get proper class we need to look up closest derived type
+                // and apply restrictions from leaf type
+                final Restrictions restrictions = BindingGeneratorUtil.getRestrictions(typeDef);
+                returnType = typeProvider.javaTypeForSchemaDefinitionType(getBaseOrDeclaredType(typeDef), leaf,
+                        restrictions, genCtx.get(module));
+            }
+        } else {
+            final Restrictions restrictions = BindingGeneratorUtil.getRestrictions(typeDef);
+            returnType = typeProvider.javaTypeForSchemaDefinitionType(typeDef, leaf, restrictions, genCtx.get(module));
+        }
+
+        if (returnType == null) {
+            return null;
+        }
+
+        if (typeDef instanceof EnumTypeDefinition) {
+            ((TypeProviderImpl) typeProvider).putReferencedType(leaf.getPath(), returnType);
+        }
+
+        String leafDesc = leaf.getDescription();
+        if (leafDesc == null) {
+            leafDesc = "";
+        }
+
+        final String leafGetterName;
+        if ("key".equals(leafName.toLowerCase())) {
+            StringBuilder sb = new StringBuilder(leafName)
+                .append('_').append("RESERVED_WORD");
+            leafGetterName = sb.toString();
+        } else {
+            leafGetterName = leafName;
+        }
+        constructGetter(typeBuilder, leafGetterName, leafDesc, returnType, leaf.getStatus());
+        return returnType;
+    }
+
+    /**
+     * Converts <code>node</code> leaf list schema node to getter method of
+     * <code>typeBuilder</code>.
+     *
+     * @param typeBuilder
+     *            generated type builder to which is <code>node</code> added as
+     *            getter method
+     * @param node
+     *            leaf list schema node which is added to
+     *            <code>typeBuilder</code> as getter method
+     * @param module module
+     * @param typeProvider type provider instance
+     * @param genCtx actual generated context
+     * @return boolean value
+     *         <ul>
+     *         <li>true - if <code>node</code>, <code>typeBuilder</code>,
+     *         nodeName equal null or <code>node</code> is added by <i>uses</i></li>
+     *         <li>false - other cases</li>
+     *         </ul>
+     */
+    private static boolean resolveLeafListSchemaNode(final SchemaContext schemaContext, final GeneratedTypeBuilder
+            typeBuilder, final LeafListSchemaNode node, final Module module, final TypeProvider typeProvider,
+            final Map<Module, ModuleContext> genCtx) {
+        if (node == null || typeBuilder == null) {
+            return false;
+        }
+
+        final QName nodeName = node.getQName();
+
+        final TypeDefinition<?> typeDef = node.getType();
+        final Module parentModule = findParentModule(schemaContext, node);
+
+        Type returnType = null;
+        if (typeDef.getBaseType() == null) {
+            if (typeDef instanceof EnumTypeDefinition) {
+                returnType = typeProvider.javaTypeForSchemaDefinitionType(typeDef, node, genCtx.get(module));
+                final EnumTypeDefinition enumTypeDef = (EnumTypeDefinition) typeDef;
+                final EnumBuilder enumBuilder = resolveInnerEnumFromTypeDefinition(enumTypeDef, nodeName,
+                        genCtx, typeBuilder, module);
+                returnType = new ReferencedTypeImpl(enumBuilder.getPackageName(), enumBuilder.getName(), true,
+                        null);
+                ((TypeProviderImpl) typeProvider).putReferencedType(node.getPath(), returnType);
+            } else if (typeDef instanceof UnionTypeDefinition) {
+                final GeneratedTOBuilder genTOBuilder = addTOToTypeBuilder(typeDef, typeBuilder, node, parentModule,
+                        typeProvider, schemaContext, genCtx.get(module), genCtx);
+                if (genTOBuilder != null) {
+                    returnType = createReturnTypeForUnion(genTOBuilder, typeDef, typeBuilder, parentModule, typeProvider);
+                }
+            } else if (typeDef instanceof BitsTypeDefinition) {
+                final GeneratedTOBuilder genTOBuilder = addTOToTypeBuilder(typeDef, typeBuilder, node, parentModule,
+                        typeProvider, schemaContext, genCtx.get(module), genCtx);
+                returnType = genTOBuilder.toInstance();
+            } else {
+                final Restrictions restrictions = BindingGeneratorUtil.getRestrictions(typeDef);
+                returnType = typeProvider.javaTypeForSchemaDefinitionType(typeDef, node, restrictions, genCtx.get(module));
+            }
+        } else {
+            final Restrictions restrictions = BindingGeneratorUtil.getRestrictions(typeDef);
+            returnType = typeProvider.javaTypeForSchemaDefinitionType(typeDef, node, restrictions, genCtx.get(module));
+        }
+
+        final ParameterizedType listType = Types.listTypeFor(returnType);
+        constructGetter(typeBuilder, nodeName.getLocalName(), node.getDescription(), listType, node.getStatus());
+        return true;
+    }
+
+    /**
+     * Converts <code>caseNodes</code> set to list of corresponding generated
+     * types.
+     *
+     * For every <i>case</i> which isn't added through augment or <i>uses</i> is
+     * created generated type builder. The package names for the builder is
+     * created as concatenation of the module package (
+     * <code>basePackageName</code>) and names of all parents nodes of the
+     * concrete <i>case</i>. There is also relation "<i>implements type</i>"
+     * between every case builder and <i>choice</i> type
+     *
+     * @param module
+     *            current module
+     * @param schemaContext
+     *            current schema context
+     * @param genCtx
+     *            actual generated context
+     * @param basePackageName
+     *            string with the module package name
+     * @param refChoiceType
+     *            type which represents superior <i>case</i>
+     * @param choiceNode
+     *            choice case node which is mapped to generated type
+     * @param verboseClassComments
+     *            Javadoc verbosity switch
+     * @throws IllegalArgumentException
+     *             <ul>
+     *             <li>if <code>basePackageName</code> equals null</li>
+     *             <li>if <code>refChoiceType</code> equals null</li>
+     *             <li>if <code>caseNodes</code> equals null</li>
+     *             </ul>
+     */
+    private static void generateTypesFromChoiceCases(final Module module, final SchemaContext schemaContext,
+            final Map<Module, ModuleContext> genCtx, final String basePackageName, final Type refChoiceType,
+            final ChoiceSchemaNode choiceNode, final boolean verboseClassComments, final TypeProvider typeProvider,
+            final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final BindingNamespaceType namespaceType) {
+        checkArgument(basePackageName != null, "Base Package Name cannot be NULL.");
+        checkArgument(refChoiceType != null, "Referenced Choice Type cannot be NULL.");
+        checkArgument(choiceNode != null, "ChoiceNode cannot be NULL.");
+
+        final Set<ChoiceCaseNode> caseNodes = choiceNode.getCases();
+        if (caseNodes == null) {
+            return;
+        }
 
-        if (node.isAugmenting() || node.isAddedByUses()) {
+        for (final ChoiceCaseNode caseNode : caseNodes) {
+            if (caseNode != null && resolveDataSchemaNodesCheck(module, schemaContext, caseNode)) {
+                final GeneratedTypeBuilder caseTypeBuilder = addDefaultInterfaceDefinition(basePackageName, caseNode,
+                    module, genCtx, schemaContext, verboseClassComments, genTypeBuilders, typeProvider, namespaceType);
+                caseTypeBuilder.addImplementsType(refChoiceType);
+                caseTypeBuilder.setParentTypeForBuilder(refChoiceType);
+                annotateDeprecatedIfNecessary(caseNode.getStatus(), caseTypeBuilder);
+                genCtx.get(module).addCaseType(caseNode.getPath(), caseTypeBuilder);
+                genCtx.get(module).addChoiceToCaseMapping(refChoiceType, caseTypeBuilder, caseNode);
+                final Iterable<DataSchemaNode> caseChildNodes = caseNode.getChildNodes();
+                if (caseChildNodes != null) {
+                    final SchemaPath choiceNodeParentPath = choiceNode.getPath().getParent();
+
+                    if (!Iterables.isEmpty(choiceNodeParentPath.getPathFromRoot())) {
+                        SchemaNode parent = findDataSchemaNode(schemaContext, choiceNodeParentPath);
+
+                        if (parent instanceof AugmentationSchema) {
+                            final AugmentationSchema augSchema = (AugmentationSchema) parent;
+                            final SchemaPath targetPath = augSchema.getTargetPath();
+                            SchemaNode targetSchemaNode = findDataSchemaNode(schemaContext, targetPath);
+                            if (targetSchemaNode instanceof DataSchemaNode
+                                    && ((DataSchemaNode) targetSchemaNode).isAddedByUses()) {
+                                if (targetSchemaNode instanceof DerivableSchemaNode) {
+                                    targetSchemaNode = ((DerivableSchemaNode) targetSchemaNode).getOriginal().orNull();
+                                }
+                                if (targetSchemaNode == null) {
+                                    throw new IllegalStateException(
+                                            "Failed to find target node from grouping for augmentation " + augSchema
+                                                    + " in module " + module.getName());
+                                }
+                            }
+                            parent = targetSchemaNode;
+                        }
+
+                        Preconditions.checkState(parent != null, "Could not find Choice node parent %s",
+                                choiceNodeParentPath);
+                        GeneratedTypeBuilder childOfType = findChildNodeByPath(parent.getPath(), genCtx);
+                        if (childOfType == null) {
+                            childOfType = findGroupingByPath(parent.getPath(), genCtx);
+                        }
+                        resolveDataSchemaNodes(module, basePackageName, caseTypeBuilder, childOfType, caseChildNodes,
+                                genCtx, schemaContext, verboseClassComments, genTypeBuilders, typeProvider, namespaceType);
+                    } else {
+                        final GeneratedTypeBuilder moduleType = genCtx.get(module).getModuleNode();
+                        Preconditions.checkNotNull(moduleType, "Module type can not be null.");
+                        resolveDataSchemaNodes(module, basePackageName, caseTypeBuilder, moduleType, caseChildNodes,
+                            genCtx, schemaContext, verboseClassComments, genTypeBuilders, typeProvider, namespaceType);
+                    }
+                    processUsesImplements(caseNode, module, schemaContext, genCtx, namespaceType);
+                }
+            }
+        }
+    }
+
+    private static Type resolveAnyNodeAsMethod(final SchemaContext schemaContext, final GeneratedTypeBuilder
+            typeBuilder, final Map<Module, ModuleContext> genCtx, final DataSchemaNode node, final Module module,
+            final TypeProvider typeProvider) {
+
+        final String anyName = node.getQName().getLocalName();
+        if (anyName == null) {
             return null;
         }
-        final String packageName = packageNameForGeneratedType(basePackageName, node.getPath(), BindingNamespaceType.Data);
-        final GeneratedTypeBuilder genType = addDefaultInterfaceDefinition(packageName, node, childOf, module,
-                genCtx, schemaContext, verboseClassComments, genTypeBuilders);
+
+        String anyDesc = node.getDescription();
+        if (anyDesc == null) {
+            anyDesc = "";
+        }
+
+        Type returnType = Types.DOCUMENT;
+
+        constructGetter(typeBuilder, anyName, anyDesc, returnType, node.getStatus());
+        return returnType;
+    }
+
+    /**
+     * Adds <code>schemaNode</code> to <code>typeBuilder</code> as getter method
+     * or to <code>genTOBuilder</code> as property.
+     *
+     * @param nodeName
+     *            string contains the name of list
+     * @param basePackageName
+     *            string contains the module package name
+     * @param schemaNode
+     *            data schema node which should be added as getter method to
+     *            <code>typeBuilder</code> or as a property to
+     *            <code>genTOBuilder</code> if is part of the list key
+     * @param typeBuilder
+     *            generated type builder for the list schema node
+     * @param genTOBuilder
+     *            generated TO builder for the list keys
+     * @param listKeys
+     *            list of string which contains QNames of the list keys
+     * @param module
+     *            current module
+     * @param typeProvider
+     *            provider that defines contract for generated types
+     * @param schemaContext
+     *            schema context
+     * @param genCtx
+     *            map of generated entities in context of YANG modules
+     * @param genTypeBuilders
+     *            map of generated type builders
+     * @param verboseClassComments
+     *            generate verbose comments
+     * @throws IllegalArgumentException
+     *             <ul>
+     *             <li>if <code>schemaNode</code> equals null</li>
+     *             <li>if <code>typeBuilder</code> equals null</li>
+     *             </ul>
+     */
+    private static void addSchemaNodeToListBuilders(final String nodeName, final String basePackageName,
+            final DataSchemaNode schemaNode, final GeneratedTypeBuilder typeBuilder,
+            final GeneratedTOBuilder genTOBuilder, final List<QName> listKeys, final Module module,
+            final TypeProvider typeProvider, final SchemaContext schemaContext, final Map<Module, ModuleContext> genCtx,
+            final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final boolean verboseClassComments,
+            final BindingNamespaceType namespaceType) {
+        checkArgument(schemaNode != null, "Data Schema Node cannot be NULL.");
+        checkArgument(typeBuilder != null, "Generated Type Builder cannot be NULL.");
+
+        if (schemaNode instanceof LeafSchemaNode) {
+            final LeafSchemaNode leaf = (LeafSchemaNode) schemaNode;
+            final QName leafQName = leaf.getQName();
+
+            final Type type = resolveLeafSchemaNodeAsMethod(nodeName, schemaContext, typeBuilder, genCtx, leaf, module,
+                    typeProvider);
+            if (listKeys.contains(leafQName)) {
+                if (type == null) {
+                    resolveLeafSchemaNodeAsProperty(nodeName, schemaContext, typeProvider, genCtx, genTOBuilder, leaf, true,
+                        module);
+                } else {
+                    AuxiliaryGenUtils.resolveLeafSchemaNodeAsProperty(nodeName, genTOBuilder, leaf, type, true);
+                }
+            }
+        } else {
+            if (schemaNode instanceof LeafListSchemaNode) {
+                resolveLeafListSchemaNode(schemaContext, typeBuilder, (LeafListSchemaNode) schemaNode, module,
+                        typeProvider, genCtx);
+            } else if (schemaNode instanceof ContainerSchemaNode) {
+                containerToGenType(module, basePackageName, typeBuilder, typeBuilder, (ContainerSchemaNode) schemaNode,
+                        schemaContext, verboseClassComments, genCtx, genTypeBuilders, typeProvider, namespaceType);
+            } else if (schemaNode instanceof ListSchemaNode) {
+                listToGenType(module, basePackageName, typeBuilder, typeBuilder, (ListSchemaNode) schemaNode,
+                        schemaContext, verboseClassComments, genCtx, genTypeBuilders, typeProvider, namespaceType);
+            } else if (schemaNode instanceof ChoiceSchemaNode) {
+                choiceToGenType(module, schemaContext, verboseClassComments, basePackageName, typeBuilder,
+                        (ChoiceSchemaNode) schemaNode, genTypeBuilders, genCtx, typeProvider, namespaceType);
+            }
+        }
+    }
+
+    private static void addSchemaNodeToListTypeBuilders(final String nodeName, final String basePackageName,
+                                                    final DataSchemaNode schemaNode, final GeneratedTypeBuilder typeBuilder,
+                                                    final GeneratedTypeBuilder genTypeBuilder, final List<QName> listKeys, final Module module,
+                                                    final TypeProvider typeProvider, final SchemaContext schemaContext, final Map<Module, ModuleContext> genCtx,
+                                                    final Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final boolean verboseClassComments,
+                                                    final BindingNamespaceType namespaceType) {
+        checkArgument(schemaNode != null, "Data Schema Node cannot be NULL.");
+        checkArgument(typeBuilder != null, "Generated Type Builder cannot be NULL.");
+
+        if (schemaNode instanceof LeafSchemaNode) {
+            final LeafSchemaNode leaf = (LeafSchemaNode) schemaNode;
+            final QName leafQName = leaf.getQName();
+            final Type type = resolveLeafSchemaNodeAsMethod(nodeName, schemaContext, typeBuilder, genCtx, leaf, module,
+                    typeProvider);
+            if (listKeys.contains(leafQName)) {
+                resolveLeafSchemaNodeAsMethod(nodeName, schemaContext, genTypeBuilder, genCtx, leaf, module,
+                        typeProvider);
+            }
+        } else {
+            if (schemaNode instanceof LeafListSchemaNode) {
+                resolveLeafListSchemaNode(schemaContext, typeBuilder, (LeafListSchemaNode) schemaNode, module,
+                        typeProvider, genCtx);
+            } else if (schemaNode instanceof ContainerSchemaNode) {
+                containerToGenType(module, basePackageName, typeBuilder, typeBuilder, (ContainerSchemaNode) schemaNode,
+                        schemaContext, verboseClassComments, genCtx, genTypeBuilders, typeProvider, namespaceType);
+            } else if (schemaNode instanceof ListSchemaNode) {
+                listToGenType(module, basePackageName, typeBuilder, typeBuilder, (ListSchemaNode) schemaNode,
+                        schemaContext, verboseClassComments, genCtx, genTypeBuilders, typeProvider, namespaceType);
+            } else if (schemaNode instanceof ChoiceSchemaNode) {
+                choiceToGenType(module, schemaContext, verboseClassComments, basePackageName, typeBuilder,
+                        (ChoiceSchemaNode) schemaNode, genTypeBuilders, genCtx, typeProvider, namespaceType);
+            }
+        }
+    }
+
+    private static boolean resolveLeafSchemaNodeAsProperty(final String nodeName, final SchemaContext schemaContext, final TypeProvider
+            typeProvider, final Map<Module, ModuleContext> genCtx, final GeneratedTOBuilder
+            toBuilder, final LeafSchemaNode leaf, final boolean isReadOnly, final Module module) {
+
+        if (leaf != null && toBuilder != null) {
+            Type returnType;
+            final TypeDefinition<?> typeDef = leaf.getType();
+            if (typeDef instanceof UnionTypeDefinition) {
+                // GeneratedType for this type definition should be already
+                // created
+                final QName qname = typeDef.getQName();
+                final Module unionModule = schemaContext.findModuleByNamespaceAndRevision(qname.getNamespace(),
+                        qname.getRevision());
+                final ModuleContext mc = genCtx.get(unionModule);
+                returnType = mc.getTypedefs().get(typeDef.getPath());
+            } else if (typeDef instanceof EnumTypeDefinition && typeDef.getBaseType() == null) {
+                // Annonymous enumeration (already generated, since it is inherited via uses).
+                LeafSchemaNode originalLeaf = (LeafSchemaNode) SchemaNodeUtils.getRootOriginalIfPossible(leaf);
+                QName qname = originalLeaf.getQName();
+                final Module enumModule =  schemaContext.findModuleByNamespaceAndRevision(qname.getNamespace(),
+                        qname.getRevision());
+                returnType = genCtx.get(enumModule).getInnerType(originalLeaf.getType().getPath());
+            } else {
+                returnType = typeProvider.javaTypeForSchemaDefinitionType(typeDef, leaf, genCtx.get(module));
+            }
+            return AuxiliaryGenUtils.resolveLeafSchemaNodeAsProperty(nodeName, toBuilder, leaf, returnType, isReadOnly);
+        }
+        return false;
+    }
+
+    private static TypeDefinition<?> getBaseOrDeclaredType(final TypeDefinition<?> typeDef) {
+        final TypeDefinition<?> baseType = typeDef.getBaseType();
+        return (baseType != null && baseType.getBaseType() != null) ? baseType : typeDef;
+    }
+
+    @SuppressWarnings({ "rawtypes", "unchecked" })
+    private static GeneratedTypeBuilder processDataSchemaNode(final Module module, final String basePackageName,
+        final GeneratedTypeBuilder childOf, final DataSchemaNode node, final SchemaContext schemaContext,
+        final boolean verboseClassComments, Map<Module, ModuleContext> genCtx, final Map<String, Map<String,
+        GeneratedTypeBuilder>> genTypeBuilders, final TypeProvider typeProvider, final BindingNamespaceType namespaceType) {
+
+        final GeneratedTypeBuilder genType = addDefaultInterfaceDefinition(basePackageName, node, childOf, module,
+                genCtx, schemaContext, verboseClassComments, genTypeBuilders, typeProvider, namespaceType);
         genType.addComment(node.getDescription());
         annotateDeprecatedIfNecessary(node.getStatus(), genType);
-        genType.setDescription(createDescription(node, genType.getFullyQualifiedName(), schemaContext, verboseClassComments));
+        genType.setDescription(createDescription(node, genType.getFullyQualifiedName(), schemaContext,
+                verboseClassComments, namespaceType));
         genType.setModuleName(module.getName());
         genType.setReference(node.getReference());
         genType.setSchemaPath((List) node.getPath().getPathFromRoot());
+        genType.setParentTypeForBuilder(childOf);
         if (node instanceof DataNodeContainer) {
             genCtx.get(module).addChildNodeType(node, genType);
-            //TODO: implement groupings to GTO building first
-            // groupingsToGenTypes(module, ((DataNodeContainer) node).getGroupings());
-            processUsesAugments(schemaContext, (DataNodeContainer) node, module, genCtx, genTypeBuilders,
-                    verboseClassComments);
         }
         return genType;
     }
 
+    /**
+     * Converts all <b>groupings</b> of the module to the list of
+     * <code>Type</code> objects. Firstly are groupings sorted according mutual
+     * dependencies. At least dependent (independent) groupings are in the list
+     * saved at first positions. For every grouping the record is added to map
+     * {@link ModuleContext#groupings allGroupings}
+     *
+     * @param module
+     *            current module
+     * @param groupings
+     *            collection of groupings from which types will be generated
+     * @param typeProvider
+     *            provider that defines contract for generated types
+     * @param schemaContext
+     *            schema context
+     * @param genCtx
+     *            map of generated entities in context of YANG modules
+     * @param genTypeBuilders
+     *            map of generated type builders
+     * @param verboseClassComments
+     *            generate verbose comments
+     *
+     */
+    static Map<Module, ModuleContext> groupingsToGenTypes(final Module module, final Collection<GroupingDefinition>
+            groupings, Map<Module, ModuleContext> genCtx, final SchemaContext schemaContext, final boolean
+            verboseClassComments, Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final TypeProvider typeProvider) {
+        final String basePackageName = BindingMapping.getRootPackageName(module);
+        final List<GroupingDefinition> groupingsSortedByDependencies = new GroupingDefinitionDependencySort()
+                .sort(groupings);
+        for (final GroupingDefinition grouping : groupingsSortedByDependencies) {
+            genCtx = groupingToGenType(basePackageName, grouping, module, genCtx, schemaContext,
+                    verboseClassComments, genTypeBuilders, typeProvider);
+        }
+        return genCtx;
+    }
+
+    /**
+     * Converts individual grouping to GeneratedType. Firstly generated type
+     * builder is created and every child node of grouping is resolved to the
+     * method.
+     *
+     * @param basePackageName
+     *            string contains the module package name
+     * @param grouping
+     *            GroupingDefinition which contains data about grouping
+     * @param module
+     *            current module
+     * @param typeProvider
+     *            provider that defines contract for generated types
+     * @param schemaContext
+     *            schema context
+     * @param genCtx
+     *            map of generated entities in context of YANG modules
+     * @param genTypeBuilders
+     *            map of generated type builders
+     * @param verboseClassComments
+     *            generate verbose comments
+     *
+     * @return GeneratedType which is generated from grouping (object of type
+     *         <code>GroupingDefinition</code>)
+     */
+    private static Map<Module, ModuleContext> groupingToGenType(final String basePackageName, final GroupingDefinition grouping, final Module
+            module, Map<Module, ModuleContext> genCtx, final SchemaContext schemaContext, final boolean
+            verboseClassComments, Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final TypeProvider typeProvider) {
+        final GeneratedTypeBuilder genType = addDefaultInterfaceDefinition(basePackageName, grouping, module, genCtx,
+                schemaContext, verboseClassComments, genTypeBuilders, typeProvider, BindingNamespaceType.Grouping);
+        annotateDeprecatedIfNecessary(grouping.getStatus(), genType);
+        genCtx.get(module).addGroupingType(grouping, genType);
+        resolveDataSchemaNodes(module, basePackageName, genType, genType, grouping.getChildNodes(), genCtx,
+                schemaContext, verboseClassComments, genTypeBuilders, typeProvider, BindingNamespaceType.Grouping);
+        genCtx = processUsesImplements(grouping, module, schemaContext, genCtx, BindingNamespaceType.Grouping);
+        return genCtx;
+    }
+
+    /**
+     * //TODO: add information about multiple base identities in YANG 1.1
+     * Converts the <b>identity</b> object to GeneratedType. Firstly it is
+     * created transport object builder. If identity contains base identity then
+     * reference to base identity is added to superior identity as its extend.
+     * If identity doesn't contain base identity then only reference to abstract
+     * class {@link org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode
+     * BaseIdentity} is added
+     *
+     * @param module
+     *            current module
+     * @param basePackageName
+     *            string contains the module package name
+     * @param identity
+     *            IdentitySchemaNode which contains data about identity
+     * @param schemaContext
+     *            SchemaContext which is used to get package and name
+     *            information about base of identity
+     * @param genCtx generated context
+     * @return returns generated context
+     */
+    static Map<Module, ModuleContext> identityToGenType(final Module module, final String basePackageName,
+            final IdentitySchemaNode identity, final SchemaContext schemaContext, Map<Module, ModuleContext> genCtx,
+            boolean verboseClassComments) {
+
+        resolveIdentitySchemaNode(basePackageName, schemaContext, identity, module, verboseClassComments, genCtx);
+        return genCtx;
+    }
+
+    private static GeneratedTOBuilder resolveIdentitySchemaNode(final String basePackageName, final SchemaContext schemaContext,
+            final IdentitySchemaNode identity, final Module module, final boolean verboseClassComments,
+            final Map<Module, ModuleContext> genCtx) {
+        Preconditions.checkNotNull(identity,"Identity can not be null!");
+
+        //check first if identity has been resolved as base identity of some other one
+        GeneratedTOBuilder newType = findIdentityByQname(identity.getQName(), genCtx);
+        if (newType == null) {
+            final Module parentModule = SchemaContextUtil.findParentModule(schemaContext, identity);
+            Preconditions.checkState(module.equals(parentModule),
+                    "If the type is null ,it must be in the same module, otherwise it must has been"
+                            + "resolved by an imported module.");
+
+            final String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, identity.getPath(),
+                    BindingNamespaceType.Identity);
+            newType = new GeneratedTOBuilderImpl(packageName, identity.getQName().getLocalName(), true, false,
+                    genCtx.get(module));
+
+            final Set<IdentitySchemaNode> baseIdentities = identity.getBaseIdentities();
+            if (baseIdentities.size() == 0) {
+                //no base - abstract
+                final GeneratedTOBuilderImpl gto = new GeneratedTOBuilderImpl(BaseIdentity.class.getPackage().getName(),
+                        BaseIdentity.class.getSimpleName(), genCtx.get(module));
+                newType.setExtendsType(gto.toInstance());
+            } else {
+                //one base - inheritance
+                final IdentitySchemaNode baseIdentity = baseIdentities.iterator().next();
+                GeneratedTOBuilder baseType = resolveIdentitySchemaNode(basePackageName, schemaContext,
+                    baseIdentity, module, verboseClassComments, genCtx);
+                newType.setExtendsType(baseType.toInstance());
+            }
+
+            newType.setAbstract(true);
+            newType.addComment(identity.getDescription());
+            newType.setDescription(createDescription(identity, newType.getFullyQualifiedName(), schemaContext,
+                    verboseClassComments, BindingNamespaceType.Identity));
+            newType.setReference(identity.getReference());
+            newType.setModuleName(module.getName());
+            newType.setSchemaPath((List) identity.getPath().getPathFromRoot());
+
+            qNameConstant(newType, BindingMapping.QNAME_STATIC_FIELD_NAME, identity.getQName());
+
+            genCtx.get(module).addIdentityType(identity.getQName(), newType);
+        }
+        return newType;
+    }
 }