Fix actions in keyed lists
[mdsal.git] / binding / mdsal-binding-generator-impl / src / main / java / org / opendaylight / mdsal / binding / yang / types / TypeProviderImpl.java
index 88a911cd6bc82b3e7efb9102065a21ace43fc9f3..aa14e0f98af94513150c3b52aa3d2d57c2a108a9 100644 (file)
  */
 package org.opendaylight.mdsal.binding.yang.types;
 
-import static org.opendaylight.mdsal.binding.model.util.BindingGeneratorUtil.encodeAngleBrackets;
-import static org.opendaylight.yangtools.yang.model.util.SchemaContextUtil.findDataSchemaNode;
-import static org.opendaylight.yangtools.yang.model.util.SchemaContextUtil.findDataSchemaNodeForRelativeXPath;
-import static org.opendaylight.yangtools.yang.model.util.SchemaContextUtil.findParentModule;
-
-import com.google.common.base.Preconditions;
-import com.google.common.base.Strings;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Sets;
-import com.google.common.io.BaseEncoding;
-import java.io.Serializable;
-import java.math.BigDecimal;
-import java.math.BigInteger;
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import org.apache.commons.lang3.StringEscapeUtils;
-import org.opendaylight.mdsal.binding.generator.spi.TypeProvider;
-import org.opendaylight.mdsal.binding.model.api.AccessModifier;
-import org.opendaylight.mdsal.binding.model.api.ConcreteType;
-import org.opendaylight.mdsal.binding.model.api.Enumeration;
-import org.opendaylight.mdsal.binding.model.api.GeneratedProperty;
-import org.opendaylight.mdsal.binding.model.api.GeneratedTransferObject;
-import org.opendaylight.mdsal.binding.model.api.Restrictions;
-import org.opendaylight.mdsal.binding.model.api.Type;
-import org.opendaylight.mdsal.binding.model.api.type.builder.EnumBuilder;
-import org.opendaylight.mdsal.binding.model.api.type.builder.GeneratedPropertyBuilder;
-import org.opendaylight.mdsal.binding.model.api.type.builder.GeneratedTOBuilder;
-import org.opendaylight.mdsal.binding.model.api.type.builder.GeneratedTypeBuilderBase;
-import org.opendaylight.mdsal.binding.model.api.type.builder.MethodSignatureBuilder;
-import org.opendaylight.mdsal.binding.model.util.BindingGeneratorUtil;
-import org.opendaylight.mdsal.binding.model.util.TypeConstants;
-import org.opendaylight.mdsal.binding.model.util.Types;
-import org.opendaylight.mdsal.binding.model.util.generated.type.builder.EnumerationBuilderImpl;
-import org.opendaylight.mdsal.binding.model.util.generated.type.builder.GeneratedPropertyBuilderImpl;
-import org.opendaylight.mdsal.binding.model.util.generated.type.builder.GeneratedTOBuilderImpl;
-import org.opendaylight.yangtools.yang.binding.BindingMapping;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-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.Module;
-import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
 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.type.BinaryTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition.Bit;
-import org.opendaylight.yangtools.yang.model.api.type.BooleanTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.DecimalTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.EmptyTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.InstanceIdentifierTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
-import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.UnionTypeDefinition;
-import org.opendaylight.yangtools.yang.model.util.RevisionAwareXPathImpl;
-import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
-import org.opendaylight.yangtools.yang.model.util.type.BaseTypes;
-import org.opendaylight.yangtools.yang.model.util.type.CompatUtils;
-import org.opendaylight.yangtools.yang.parser.util.YangValidationException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public final class TypeProviderImpl implements TypeProvider {
-    private static final Logger LOG = LoggerFactory.getLogger(TypeProviderImpl.class);
-    private static final Pattern NUMBERS_PATTERN = Pattern.compile("[0-9]+\\z");
-
-    // Backwards compatibility: Union types used to be instantiated in YANG namespace, which is no longer
-    // the case, as unions are emitted to their correct schema path.
-    private static final SchemaPath UNION_PATH = SchemaPath.create(true,
-        org.opendaylight.yangtools.yang.model.util.BaseTypes.UNION_QNAME);
-
-    /**
-     * Contains the schema data red from YANG files.
-     */
-    private final SchemaContext schemaContext;
-
-    /**
-     * Map<moduleName, Map<moduleDate, Map<typeName, type>>>
-     */
-    private final Map<String, Map<Date, Map<String, Type>>> genTypeDefsContextMap;
-
-    /**
-     * The map which maps schema paths to JAVA <code>Type</code>.
-     */
-    private final Map<SchemaPath, Type> referencedTypes;
-    private final Map<Module, Set<Type>> additionalTypes;
 
+/**
+ * {@link AbstractTypeProvider} which generates full metadata, suitable for codegen purposes. For runtime purposes,
+ * considering using {@link RuntimeTypeProvider}.
+ *
+ * @deprecated Use {@link CodegenTypeProvider} instead.
+ */
+@Deprecated
+public final class TypeProviderImpl extends CodegenTypeProvider {
     /**
      * Creates new instance of class <code>TypeProviderImpl</code>.
      *
-     * @param schemaContext
-     *            contains the schema data red from YANG files
-     * @throws IllegalArgumentException
-     *             if <code>schemaContext</code> equal null.
+     * @param schemaContext contains the schema data read from YANG files
+     * @throws IllegalArgumentException if <code>schemaContext</code> is null.
      */
     public TypeProviderImpl(final SchemaContext schemaContext) {
-        Preconditions.checkArgument(schemaContext != null, "Schema Context cannot be null!");
-
-        this.schemaContext = schemaContext;
-        this.genTypeDefsContextMap = new HashMap<>();
-        this.referencedTypes = new HashMap<>();
-        this.additionalTypes = new HashMap<>();
-        resolveTypeDefsFromContext();
-    }
-
-    /**
-     * Puts <code>refType</code> to map with key <code>refTypePath</code>
-     *
-     * @param refTypePath
-     *            schema path used as the map key
-     * @param refType
-     *            type which represents the map value
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>refTypePath</code> equal null</li>
-     *             <li>if <code>refType</code> equal null</li>
-     *             </ul>
-     *
-     */
-    public void putReferencedType(final SchemaPath refTypePath, final Type refType) {
-        Preconditions.checkArgument(refTypePath != null,
-                "Path reference of Enumeration Type Definition cannot be NULL!");
-        Preconditions.checkArgument(refType != null, "Reference to Enumeration Type cannot be NULL!");
-        referencedTypes.put(refTypePath, refType);
-    }
-
-    public Map<Module, Set<Type>> getAdditionalTypes() {
-        return additionalTypes;
-    }
-
-    /**
-     *
-     * Converts basic YANG type <code>type</code> to JAVA <code>Type</code>.
-     *
-     * @param type
-     *            string with YANG name of type
-     * @return JAVA <code>Type</code> for YANG type <code>type</code>
-     * @see TypeProvider#javaTypeForYangType(String)
-     */
-    @Override
-    @Deprecated
-    public Type javaTypeForYangType(final String type) {
-        return BaseYangTypes.BASE_YANG_TYPES_PROVIDER.javaTypeForYangType(type);
-    }
-
-    @Override
-    public Type javaTypeForSchemaDefinitionType(final TypeDefinition<?> typeDefinition, final SchemaNode parentNode) {
-        return javaTypeForSchemaDefinitionType(typeDefinition, parentNode, null);
-    }
-
-    /**
-     * Converts schema definition type <code>typeDefinition</code> to JAVA
-     * <code>Type</code>
-     *
-     * @param typeDefinition
-     *            type definition which is converted to JAVA type
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>typeDefinition</code> equal null</li>
-     *             <li>if Qname of <code>typeDefinition</code> equal null</li>
-     *             <li>if name of <code>typeDefinition</code> equal null</li>
-     *             </ul>
-     */
-    @Override
-    public Type javaTypeForSchemaDefinitionType(final TypeDefinition<?> typeDefinition, final SchemaNode parentNode, final Restrictions r) {
-        Preconditions.checkArgument(typeDefinition != null, "Type Definition cannot be NULL!");
-        Preconditions.checkArgument(typeDefinition.getQName() != null,
-                "Type Definition cannot have non specified QName (QName cannot be NULL!)");
-        String typedefName = typeDefinition.getQName().getLocalName();
-        Preconditions.checkArgument(typedefName != null, "Type Definitions Local Name cannot be NULL!");
-
-        // Deal with base types
-        if (typeDefinition.getBaseType() == null) {
-            // We have to deal with differing handling of decimal64. The old parser used a fixed Decimal64 type
-            // and generated an enclosing ExtendedType to hold any range constraints. The new parser instantiates
-            // a base type which holds these constraints.
-            if (typeDefinition instanceof DecimalTypeDefinition) {
-                final Type ret = BaseYangTypes.BASE_YANG_TYPES_PROVIDER.javaTypeForSchemaDefinitionType(typeDefinition, parentNode, r);
-                if (ret != null) {
-                    return ret;
-                }
-            }
-
-            // Deal with leafrefs/identityrefs
-            Type ret = javaTypeForLeafrefOrIdentityRef(typeDefinition, parentNode);
-            if (ret != null) {
-                return ret;
-            }
-
-            // FIXME: it looks as though we could be using the same codepath as above...
-            ret = BaseYangTypes.BASE_YANG_TYPES_PROVIDER.javaTypeForYangType(typeDefinition.getQName().getLocalName());
-            if (ret == null) {
-                LOG.debug("Failed to resolve Java type for {}", typeDefinition);
-            }
-
-            return ret;
-        }
-
-        Type returnType = javaTypeForExtendedType(typeDefinition);
-        if (r != null && returnType instanceof GeneratedTransferObject) {
-            GeneratedTransferObject gto = (GeneratedTransferObject) returnType;
-            Module module = findParentModule(schemaContext, parentNode);
-            String basePackageName = BindingMapping.getRootPackageName(module.getQNameModule());
-            String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, typeDefinition.getPath());
-            String genTOName = BindingMapping.getClassName(typedefName);
-            String name = packageName + "." + genTOName;
-            if (!returnType.getFullyQualifiedName().equals(name)) {
-                returnType = shadedTOWithRestrictions(gto, r);
-            }
-        }
-        return returnType;
-    }
-
-    private static GeneratedTransferObject shadedTOWithRestrictions(final GeneratedTransferObject gto, final Restrictions r) {
-        GeneratedTOBuilder gtob = new GeneratedTOBuilderImpl(gto.getPackageName(), gto.getName());
-        GeneratedTransferObject parent = gto.getSuperType();
-        if (parent != null) {
-            gtob.setExtendsType(parent);
-        }
-        gtob.setRestrictions(r);
-        for (GeneratedProperty gp : gto.getProperties()) {
-            GeneratedPropertyBuilder gpb = gtob.addProperty(gp.getName());
-            gpb.setValue(gp.getValue());
-            gpb.setReadOnly(gp.isReadOnly());
-            gpb.setAccessModifier(gp.getAccessModifier());
-            gpb.setReturnType(gp.getReturnType());
-            gpb.setFinal(gp.isFinal());
-            gpb.setStatic(gp.isStatic());
-        }
-        return gtob.toInstance();
-    }
-
-    private boolean isLeafRefSelfReference(final LeafrefTypeDefinition leafref, final SchemaNode parentNode) {
-        final SchemaNode leafRefValueNode;
-        final RevisionAwareXPath leafRefXPath = leafref.getPathStatement();
-        final RevisionAwareXPath leafRefStrippedXPath = new RevisionAwareXPathImpl(leafRefXPath.toString()
-                .replaceAll("\\[(.*?)\\]", ""), leafRefXPath.isAbsolute());
-
-        ///// skip leafrefs in augments - they're checked once augments are resolved
-        final Iterator<QName> iterator = parentNode.getPath().getPathFromRoot().iterator();
-        boolean isAugmenting = false;
-        DataNodeContainer current = null;
-        DataSchemaNode dataChildByName;
-
-        while (iterator.hasNext() && !isAugmenting) {
-            final QName next = iterator.next();
-            if (current == null) {
-                dataChildByName = schemaContext.getDataChildByName(next);
-            } else {
-                dataChildByName = current.getDataChildByName(next);
-            }
-            if (dataChildByName != null) {
-                isAugmenting = dataChildByName.isAugmenting();
-            } else {
-                return false;
-            }
-            if (dataChildByName instanceof DataNodeContainer) {
-                current = (DataNodeContainer) dataChildByName;
-            }
-        }
-        if (isAugmenting) {
-            return false;
-        }
-        /////
-
-        Module parentModule = getParentModule(parentNode);
-        if (!leafRefStrippedXPath.isAbsolute()) {
-            leafRefValueNode = SchemaContextUtil.findDataSchemaNodeForRelativeXPath(schemaContext, parentModule,
-                    parentNode, leafRefStrippedXPath);
-        } else {
-            leafRefValueNode = SchemaContextUtil.findDataSchemaNode(schemaContext, parentModule, leafRefStrippedXPath);
-        }
-        return leafRefValueNode != null ? leafRefValueNode.equals(parentNode) : false;
-    }
-
-    /**
-     * Returns JAVA <code>Type</code> for instances of the type
-     * <code>LeafrefTypeDefinition</code> or
-     * <code>IdentityrefTypeDefinition</code>.
-     *
-     * @param typeDefinition
-     *            type definition which is converted to JAVA <code>Type</code>
-     * @return JAVA <code>Type</code> instance for <code>typeDefinition</code>
-     */
-    private Type javaTypeForLeafrefOrIdentityRef(final TypeDefinition<?> typeDefinition, final SchemaNode parentNode) {
-        if (typeDefinition instanceof LeafrefTypeDefinition) {
-            final LeafrefTypeDefinition leafref = (LeafrefTypeDefinition) typeDefinition;
-            if (isLeafRefSelfReference(leafref, parentNode)) {
-                throw new YangValidationException("Leafref " + leafref.toString() + " is referencing itself, incoming" +
-                        " StackOverFlowError detected.");
-            }
-            return provideTypeForLeafref(leafref, parentNode);
-        } else if (typeDefinition instanceof IdentityrefTypeDefinition) {
-            final IdentityrefTypeDefinition idref = (IdentityrefTypeDefinition) typeDefinition;
-            return provideTypeForIdentityref(idref);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Returns JAVA <code>Type</code> for instances of the type
-     * <code>ExtendedType</code>.
-     *
-     * @param typeDefinition
-     *            type definition which is converted to JAVA <code>Type</code>
-     * @return JAVA <code>Type</code> instance for <code>typeDefinition</code>
-     */
-    private Type javaTypeForExtendedType(final TypeDefinition<?> typeDefinition) {
-        final String typedefName = typeDefinition.getQName().getLocalName();
-        final TypeDefinition<?> baseTypeDef = baseTypeDefForExtendedType(typeDefinition);
-        Type returnType = javaTypeForLeafrefOrIdentityRef(baseTypeDef, typeDefinition);
-        if (returnType == null) {
-            if (baseTypeDef instanceof EnumTypeDefinition) {
-                final EnumTypeDefinition enumTypeDef = (EnumTypeDefinition) baseTypeDef;
-                returnType = provideTypeForEnum(enumTypeDef, typedefName, typeDefinition);
-            } else {
-                final Module module = findParentModule(schemaContext, typeDefinition);
-                Restrictions r = BindingGeneratorUtil.getRestrictions(typeDefinition);
-                if (module != null) {
-                    final Map<Date, Map<String, Type>> modulesByDate = genTypeDefsContextMap.get(module.getName());
-                    final Map<String, Type> genTOs = modulesByDate.get(module.getRevision());
-                    if (genTOs != null) {
-                        returnType = genTOs.get(typedefName);
-                    }
-                    if (returnType == null) {
-                        returnType = BaseYangTypes.BASE_YANG_TYPES_PROVIDER.javaTypeForSchemaDefinitionType(
-                                baseTypeDef, typeDefinition, r);
-                    }
-                }
-            }
-        }
-        return returnType;
-    }
-
-    /**
-     * Seeks for identity reference <code>idref</code> the JAVA
-     * <code>type</code>.<br />
-     * <br />
-     *
-     * <i>Example:<br />
-     * If identy which is referenced via <code>idref</code> has name <b>Idn</b>
-     * then returning type is <b>{@code Class<? extends Idn>}</b></i>
-     *
-     * @param idref
-     *            identityref type definition for which JAVA <code>Type</code>
-     *            is sought
-     * @return JAVA <code>Type</code> of the identity which is refrenced through
-     *         <code>idref</code>
-     */
-    private Type provideTypeForIdentityref(final IdentityrefTypeDefinition idref) {
-        QName baseIdQName = idref.getIdentity().getQName();
-        Module module = schemaContext.findModuleByNamespaceAndRevision(baseIdQName.getNamespace(),
-                baseIdQName.getRevision());
-        IdentitySchemaNode identity = null;
-        for (IdentitySchemaNode id : module.getIdentities()) {
-            if (id.getQName().equals(baseIdQName)) {
-                identity = id;
-            }
-        }
-        Preconditions.checkArgument(identity != null, "Target identity '" + baseIdQName + "' do not exists");
-
-        final String basePackageName = BindingMapping.getRootPackageName(module.getQNameModule());
-        final String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, identity.getPath());
-        final String genTypeName = BindingMapping.getClassName(identity.getQName());
-
-        Type baseType = Types.typeForClass(Class.class);
-        Type paramType = Types.wildcardTypeFor(packageName, genTypeName);
-        return Types.parameterizedTypeFor(baseType, paramType);
-    }
-
-    /**
-     * Converts <code>typeDefinition</code> to concrete JAVA <code>Type</code>.
-     *
-     * @param typeDefinition
-     *            type definition which should be converted to JAVA
-     *            <code>Type</code>
-     * @return JAVA <code>Type</code> which represents
-     *         <code>typeDefinition</code>
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>typeDefinition</code> equal null</li>
-     *             <li>if Q name of <code>typeDefinition</code></li>
-     *             <li>if name of <code>typeDefinition</code></li>
-     *             </ul>
-     */
-    public Type generatedTypeForExtendedDefinitionType(final TypeDefinition<?> typeDefinition, final SchemaNode parentNode) {
-        Preconditions.checkArgument(typeDefinition != null, "Type Definition cannot be NULL!");
-        if (typeDefinition.getQName() == null) {
-            throw new IllegalArgumentException(
-                    "Type Definition cannot have non specified QName (QName cannot be NULL!)");
-        }
-        Preconditions.checkArgument(typeDefinition.getQName().getLocalName() != null,
-                "Type Definitions Local Name cannot be NULL!");
-
-        final TypeDefinition<?> baseTypeDef = baseTypeDefForExtendedType(typeDefinition);
-        if (!(baseTypeDef instanceof LeafrefTypeDefinition) && !(baseTypeDef instanceof IdentityrefTypeDefinition)) {
-            final Module module = findParentModule(schemaContext, parentNode);
-
-            if (module != null) {
-                final Map<Date, Map<String, Type>> modulesByDate = genTypeDefsContextMap.get(module.getName());
-                final Map<String, Type> genTOs = modulesByDate.get(module.getRevision());
-                if (genTOs != null) {
-                    return genTOs.get(typeDefinition.getQName().getLocalName());
-                }
-            }
-        }
-        return null;
-    }
-
-    /**
-     * Gets base type definition for <code>extendTypeDef</code>. The method is
-     * recursively called until non <code>ExtendedType</code> type is found.
-     *
-     * @param extendTypeDef
-     *            type definition for which is the base type definition sought
-     * @return type definition which is base type for <code>extendTypeDef</code>
-     * @throws IllegalArgumentException
-     *             if <code>extendTypeDef</code> equal null
-     */
-    private static TypeDefinition<?> baseTypeDefForExtendedType(final TypeDefinition<?> extendTypeDef) {
-        Preconditions.checkArgument(extendTypeDef != null, "Type Definition reference cannot be NULL!");
-
-        TypeDefinition<?> ret = extendTypeDef;
-        while (ret.getBaseType() != null) {
-            ret = ret.getBaseType();
-        }
-
-        return ret;
-    }
-
-    /**
-     * Converts <code>leafrefType</code> to JAVA <code>Type</code>.
-     *
-     * The path of <code>leafrefType</code> is followed to find referenced node
-     * and its <code>Type</code> is returned.
-     *
-     * @param leafrefType
-     *            leafref type definition for which is the type sought
-     * @return JAVA <code>Type</code> of data schema node which is referenced in
-     *         <code>leafrefType</code>
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>leafrefType</code> equal null</li>
-     *             <li>if path statement of <code>leafrefType</code> equal null</li>
-     *             </ul>
-     *
-     */
-    public Type provideTypeForLeafref(final LeafrefTypeDefinition leafrefType, final SchemaNode parentNode) {
-        Type returnType = null;
-        Preconditions.checkArgument(leafrefType != null, "Leafref Type Definition reference cannot be NULL!");
-
-        Preconditions.checkArgument(leafrefType.getPathStatement() != null,
-                "The Path Statement for Leafref Type Definition cannot be NULL!");
-
-        final RevisionAwareXPath xpath = leafrefType.getPathStatement();
-        final String strXPath = xpath.toString();
-
-        if (strXPath != null) {
-            if (strXPath.indexOf('[') == -1) {
-                final Module module = findParentModule(schemaContext, parentNode);
-                Preconditions.checkArgument(module != null, "Failed to find module for parent %s", parentNode);
-
-                final SchemaNode dataNode;
-                if (xpath.isAbsolute()) {
-                    dataNode = findDataSchemaNode(schemaContext, module, xpath);
-                } else {
-                    dataNode = findDataSchemaNodeForRelativeXPath(schemaContext, module, parentNode, xpath);
-                }
-                Preconditions.checkArgument(dataNode != null, "Failed to find leafref target: %s in module %s (%s)",
-                        strXPath, this.getParentModule(parentNode).getName(), parentNode.getQName().getModule());
-
-                if (leafContainsEnumDefinition(dataNode)) {
-                    returnType = referencedTypes.get(dataNode.getPath());
-                } else if (leafListContainsEnumDefinition(dataNode)) {
-                    returnType = Types.listTypeFor(referencedTypes.get(dataNode.getPath()));
-                } else {
-                    returnType = resolveTypeFromDataSchemaNode(dataNode);
-                }
-            } else {
-                returnType = Types.typeForClass(Object.class);
-            }
-        }
-        Preconditions.checkArgument(returnType != null, "Failed to find leafref target: %s in module %s (%s)",
-                strXPath, this.getParentModule(parentNode).getName(), parentNode.getQName().getModule(), this);
-        return returnType;
-    }
-
-    /**
-     * Checks if <code>dataNode</code> is <code>LeafSchemaNode</code> and if it
-     * so then checks if it is of type <code>EnumTypeDefinition</code>.
-     *
-     * @param dataNode
-     *            data schema node for which is checked if it is leaf and if it
-     *            is of enum type
-     * @return boolean value
-     *         <ul>
-     *         <li>true - if <code>dataNode</code> is leaf of type enumeration</li>
-     *         <li>false - other cases</li>
-     *         </ul>
-     */
-    private static boolean leafContainsEnumDefinition(final SchemaNode dataNode) {
-        if (dataNode instanceof LeafSchemaNode) {
-            final LeafSchemaNode leaf = (LeafSchemaNode) dataNode;
-            if (CompatUtils.compatLeafType(leaf) instanceof EnumTypeDefinition) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Checks if <code>dataNode</code> is <code>LeafListSchemaNode</code> and if
-     * it so then checks if it is of type <code>EnumTypeDefinition</code>.
-     *
-     * @param dataNode
-     *            data schema node for which is checked if it is leaflist and if
-     *            it is of enum type
-     * @return boolean value
-     *         <ul>
-     *         <li>true - if <code>dataNode</code> is leaflist of type
-     *         enumeration</li>
-     *         <li>false - other cases</li>
-     *         </ul>
-     */
-    private static boolean leafListContainsEnumDefinition(final SchemaNode dataNode) {
-        if (dataNode instanceof LeafListSchemaNode) {
-            final LeafListSchemaNode leafList = (LeafListSchemaNode) dataNode;
-            if (leafList.getType() instanceof EnumTypeDefinition) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Converts <code>enumTypeDef</code> to
-     * {@link Enumeration
-     * enumeration}.
-     *
-     * @param enumTypeDef
-     *            enumeration type definition which is converted to enumeration
-     * @param enumName
-     *            string with name which is used as the enumeration name
-     * @return enumeration type which is built with data (name, enum values)
-     *         from <code>enumTypeDef</code>
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>enumTypeDef</code> equals null</li>
-     *             <li>if enum values of <code>enumTypeDef</code> equal null</li>
-     *             <li>if Q name of <code>enumTypeDef</code> equal null</li>
-     *             <li>if name of <code>enumTypeDef</code> equal null</li>
-     *             </ul>
-     */
-    private Enumeration provideTypeForEnum(final EnumTypeDefinition enumTypeDef, final String enumName, final SchemaNode parentNode) {
-        Preconditions.checkArgument(enumTypeDef != null, "EnumTypeDefinition reference cannot be NULL!");
-        Preconditions.checkArgument(enumTypeDef.getValues() != null,
-                "EnumTypeDefinition MUST contain at least ONE value definition!");
-        Preconditions.checkArgument(enumTypeDef.getQName() != null, "EnumTypeDefinition MUST contain NON-NULL QName!");
-        Preconditions.checkArgument(enumTypeDef.getQName().getLocalName() != null,
-                "Local Name in EnumTypeDefinition QName cannot be NULL!");
-
-        final String enumerationName = BindingMapping.getClassName(enumName);
-
-        Module module = findParentModule(schemaContext, parentNode);
-        final String basePackageName = BindingMapping.getRootPackageName(module.getQNameModule());
-
-        final EnumerationBuilderImpl enumBuilder = new EnumerationBuilderImpl(basePackageName, enumerationName);
-        final String enumTypedefDescription = encodeAngleBrackets(enumTypeDef.getDescription());
-        enumBuilder.setDescription(enumTypedefDescription);
-        enumBuilder.setReference(enumTypeDef.getReference());
-        enumBuilder.setModuleName(module.getName());
-        enumBuilder.setSchemaPath(enumTypeDef.getPath().getPathFromRoot());
-        enumBuilder.updateEnumPairsFromEnumTypeDef(enumTypeDef);
-        return enumBuilder.toInstance(null);
-    }
-
-    /**
-     * Adds enumeration to <code>typeBuilder</code>. The enumeration data are
-     * taken from <code>enumTypeDef</code>.
-     *
-     * @param enumTypeDef
-     *            enumeration type definition is source of enumeration data for
-     *            <code>typeBuilder</code>
-     * @param enumName
-     *            string with the name of enumeration
-     * @param typeBuilder
-     *            generated type builder to which is enumeration added
-     * @return enumeration type which contains enumeration data form
-     *         <code>enumTypeDef</code>
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>enumTypeDef</code> equals null</li>
-     *             <li>if enum values of <code>enumTypeDef</code> equal null</li>
-     *             <li>if Q name of <code>enumTypeDef</code> equal null</li>
-     *             <li>if name of <code>enumTypeDef</code> equal null</li>
-     *             <li>if name of <code>typeBuilder</code> equal null</li>
-     *             </ul>
-     *
-     */
-    private static Enumeration addInnerEnumerationToTypeBuilder(final EnumTypeDefinition enumTypeDef, final String enumName, final GeneratedTypeBuilderBase<?> typeBuilder) {
-        Preconditions.checkArgument(enumTypeDef != null, "EnumTypeDefinition reference cannot be NULL!");
-        Preconditions.checkArgument(enumTypeDef.getValues() != null,
-                "EnumTypeDefinition MUST contain at least ONE value definition!");
-        Preconditions.checkArgument(enumTypeDef.getQName() != null, "EnumTypeDefinition MUST contain NON-NULL QName!");
-        Preconditions.checkArgument(enumTypeDef.getQName().getLocalName() != null,
-                "Local Name in EnumTypeDefinition QName cannot be NULL!");
-        Preconditions.checkArgument(typeBuilder != null, "Generated Type Builder reference cannot be NULL!");
-
-        final String enumerationName = BindingMapping.getClassName(enumName);
-
-        final EnumBuilder enumBuilder = typeBuilder.addEnumeration(enumerationName);
-        final String enumTypedefDescription = encodeAngleBrackets(enumTypeDef.getDescription());
-        enumBuilder.setDescription(enumTypedefDescription);
-        enumBuilder.updateEnumPairsFromEnumTypeDef(enumTypeDef);
-        return enumBuilder.toInstance(enumBuilder);
-    }
-
-    /**
-     * Converts <code>dataNode</code> to JAVA <code>Type</code>.
-     *
-     * @param dataNode
-     *            contains information about YANG type
-     * @return JAVA <code>Type</code> representation of <code>dataNode</code>
-     */
-    private Type resolveTypeFromDataSchemaNode(final SchemaNode dataNode) {
-        Type returnType = null;
-        if (dataNode != null) {
-            if (dataNode instanceof LeafSchemaNode) {
-                final LeafSchemaNode leaf = (LeafSchemaNode) dataNode;
-                final TypeDefinition<?> type = CompatUtils.compatLeafType(leaf);
-                returnType = javaTypeForSchemaDefinitionType(type, leaf);
-            } else if (dataNode instanceof LeafListSchemaNode) {
-                final LeafListSchemaNode leafList = (LeafListSchemaNode) dataNode;
-                returnType = javaTypeForSchemaDefinitionType(leafList.getType(), leafList);
-            }
-        }
-        return returnType;
-    }
-
-    /**
-     * Passes through all modules and through all its type definitions and
-     * convert it to generated types.
-     *
-     * The modules are firstly sorted by mutual dependencies. The modules are
-     * sequentially passed. All type definitions of a module are at the
-     * beginning sorted so that type definition with less amount of references
-     * to other type definition are processed first.<br />
-     * For each module is created mapping record in the map
-     * {@link TypeProviderImpl#genTypeDefsContextMap genTypeDefsContextMap}
-     * which map current module name to the map which maps type names to
-     * returned types (generated types).
-     *
-     */
-    private void resolveTypeDefsFromContext() {
-        final Set<Module> modules = schemaContext.getModules();
-        Preconditions.checkArgument(modules != null, "Set of Modules cannot be NULL!");
-        final Module[] modulesArray = new Module[modules.size()];
-        int i = 0;
-        for (Module modul : modules) {
-            modulesArray[i++] = modul;
-        }
-        final List<Module> modulesSortedByDependency = org.opendaylight.yangtools.yang.parser.util.ModuleDependencySort
-                .sort(modulesArray);
-
-        for (final Module module : modulesSortedByDependency) {
-            Map<Date, Map<String, Type>> dateTypeMap = genTypeDefsContextMap.get(module.getName());
-            if (dateTypeMap == null) {
-                dateTypeMap = new HashMap<>();
-            }
-            dateTypeMap.put(module.getRevision(), Collections.<String, Type>emptyMap());
-            genTypeDefsContextMap.put(module.getName(), dateTypeMap);
-        }
-
-        for (final Module module : modulesSortedByDependency) {
-            if (module != null) {
-                final String basePackageName = BindingMapping.getRootPackageName(module.getQNameModule());
-                if (basePackageName != null) {
-                    final List<TypeDefinition<?>> typeDefinitions = TypedefResolver.getAllTypedefs(module);
-                    final List<TypeDefinition<?>> listTypeDefinitions = sortTypeDefinitionAccordingDepth(typeDefinitions);
-                    if (listTypeDefinitions != null) {
-                        for (final TypeDefinition<?> typedef : listTypeDefinitions) {
-                            typedefToGeneratedType(basePackageName, module, typedef);
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    /**
-     *
-     * @param basePackageName
-     *            string with name of package to which the module belongs
-     * @param module
-     *            string with the name of the module for to which the
-     *            <code>typedef</code> belongs
-     * @param typedef
-     *            type definition of the node for which should be creted JAVA
-     *            <code>Type</code> (usually generated TO)
-     * @return JAVA <code>Type</code> representation of <code>typedef</code> or
-     *         <code>null</code> value if <code>basePackageName</code> or
-     *         <code>modulName</code> or <code>typedef</code> or Q name of
-     *         <code>typedef</code> equals <code>null</code>
-     */
-    private Type typedefToGeneratedType(final String basePackageName, final Module module, final TypeDefinition<?> typedef) {
-        final String moduleName = module.getName();
-        final Date moduleRevision = module.getRevision();
-        if (basePackageName != null && moduleName != null && typedef != null && typedef.getQName() != null) {
-            final String typedefName = typedef.getQName().getLocalName();
-            final TypeDefinition<?> innerTypeDefinition = typedef.getBaseType();
-            if (!(innerTypeDefinition instanceof LeafrefTypeDefinition)
-                    && !(innerTypeDefinition instanceof IdentityrefTypeDefinition)) {
-                Type returnType = null;
-                if (innerTypeDefinition.getBaseType() != null) {
-                    returnType = provideGeneratedTOFromExtendedType(typedef, innerTypeDefinition, basePackageName, module.getName());
-                } else if (innerTypeDefinition instanceof UnionTypeDefinition) {
-                    final GeneratedTOBuilder genTOBuilder = provideGeneratedTOBuilderForUnionTypeDef(basePackageName,
-                            (UnionTypeDefinition) innerTypeDefinition, typedefName, typedef);
-                    genTOBuilder.setTypedef(true);
-                    genTOBuilder.setIsUnion(true);
-                    addUnitsToGenTO(genTOBuilder, typedef.getUnits());
-                    makeSerializable((GeneratedTOBuilderImpl) genTOBuilder);
-                    returnType = genTOBuilder.toInstance();
-                    // union builder
-                    GeneratedTOBuilder unionBuilder = new GeneratedTOBuilderImpl(genTOBuilder.getPackageName(),
-                            genTOBuilder.getName() + "Builder");
-                    unionBuilder.setIsUnionBuilder(true);
-                    MethodSignatureBuilder method = unionBuilder.addMethod("getDefaultInstance");
-                    method.setReturnType(returnType);
-                    method.addParameter(Types.STRING, "defaultValue");
-                    method.setAccessModifier(AccessModifier.PUBLIC);
-                    method.setStatic(true);
-                    Set<Type> types = additionalTypes.get(module);
-                    if (types == null) {
-                        types = Sets.<Type> newHashSet(unionBuilder.toInstance());
-                        additionalTypes.put(module, types);
-                    } else {
-                        types.add(unionBuilder.toInstance());
-                    }
-                } else if (innerTypeDefinition instanceof EnumTypeDefinition) {
-                    // enums are automatically Serializable
-                    final EnumTypeDefinition enumTypeDef = (EnumTypeDefinition) innerTypeDefinition;
-                    // TODO units for typedef enum
-                    returnType = provideTypeForEnum(enumTypeDef, typedefName, typedef);
-                } else if (innerTypeDefinition instanceof BitsTypeDefinition) {
-                    final BitsTypeDefinition bitsTypeDefinition = (BitsTypeDefinition) innerTypeDefinition;
-                    final GeneratedTOBuilder genTOBuilder = provideGeneratedTOBuilderForBitsTypeDefinition(
-                            basePackageName, bitsTypeDefinition, typedefName, module.getName());
-                    genTOBuilder.setTypedef(true);
-                    addUnitsToGenTO(genTOBuilder, typedef.getUnits());
-                    makeSerializable((GeneratedTOBuilderImpl) genTOBuilder);
-                    returnType = genTOBuilder.toInstance();
-                } else {
-                    final Type javaType = javaTypeForSchemaDefinitionType(innerTypeDefinition, typedef);
-                    returnType = wrapJavaTypeIntoTO(basePackageName, typedef, javaType, module.getName());
-                }
-                if (returnType != null) {
-                    final Map<Date, Map<String, Type>> modulesByDate = genTypeDefsContextMap.get(moduleName);
-                    Map<String, Type> typeMap = modulesByDate.get(moduleRevision);
-                    if (typeMap != null) {
-                        if (typeMap.isEmpty()) {
-                            typeMap = new HashMap<>(4);
-                            modulesByDate.put(moduleRevision, typeMap);
-                        }
-                        typeMap.put(typedefName, returnType);
-                    }
-                    return returnType;
-                }
-            }
-        }
-        return null;
-    }
-
-    /**
-     * Wraps base YANG type to generated TO.
-     *
-     * @param basePackageName
-     *            string with name of package to which the module belongs
-     * @param typedef
-     *            type definition which is converted to the TO
-     * @param javaType
-     *            JAVA <code>Type</code> to which is <code>typedef</code> mapped
-     * @return generated transfer object which represent<code>javaType</code>
-     */
-    private static GeneratedTransferObject wrapJavaTypeIntoTO(final String basePackageName, final TypeDefinition<?> typedef, final Type javaType, final String moduleName) {
-        Preconditions.checkNotNull(javaType, "javaType cannot be null");
-        final String propertyName = "value";
-
-        final GeneratedTOBuilder genTOBuilder = typedefToTransferObject(basePackageName, typedef, moduleName);
-        genTOBuilder.setRestrictions(BindingGeneratorUtil.getRestrictions(typedef));
-        final GeneratedPropertyBuilder genPropBuilder = genTOBuilder.addProperty(propertyName);
-        genPropBuilder.setReturnType(javaType);
-        genTOBuilder.addEqualsIdentity(genPropBuilder);
-        genTOBuilder.addHashIdentity(genPropBuilder);
-        genTOBuilder.addToStringProperty(genPropBuilder);
-        if (typedef.getStatus() == Status.DEPRECATED) {
-            genTOBuilder.addAnnotation("", "Deprecated");
-        }
-        if (javaType instanceof ConcreteType && "String".equals(javaType.getName()) && typedef.getBaseType() != null) {
-            final List<String> regExps = resolveRegExpressionsFromTypedef(typedef);
-            addStringRegExAsConstant(genTOBuilder, regExps);
-        }
-        addUnitsToGenTO(genTOBuilder, typedef.getUnits());
-        genTOBuilder.setTypedef(true);
-        makeSerializable((GeneratedTOBuilderImpl) genTOBuilder);
-        return genTOBuilder.toInstance();
-    }
-
-    /**
-     * Converts output list of generated TO builders to one TO builder (first
-     * from list) which contains the remaining builders as its enclosing TO.
-     *
-     * @param basePackageName
-     *            string with name of package to which the module belongs
-     * @param typedef
-     *            type definition which should be of type
-     *            <code>UnionTypeDefinition</code>
-     * @param typeDefName
-     *            string with name for generated TO
-     * @return generated TO builder with the list of enclosed generated TO
-     *         builders
-     */
-    public GeneratedTOBuilder provideGeneratedTOBuilderForUnionTypeDef(final String basePackageName,
-            final UnionTypeDefinition typedef, final String typeDefName, final SchemaNode parentNode) {
-        final List<GeneratedTOBuilder> builders = provideGeneratedTOBuildersForUnionTypeDef(basePackageName,
-                typedef, typeDefName, parentNode);
-        Preconditions.checkState(!builders.isEmpty(), "No GeneratedTOBuilder objects generated from union %s", typedef);
-
-        final GeneratedTOBuilder resultTOBuilder = builders.remove(0);
-        for (GeneratedTOBuilder genTOBuilder : builders) {
-            resultTOBuilder.addEnclosingTransferObject(genTOBuilder);
-        }
-
-        resultTOBuilder.addProperty("value").setReturnType(Types.CHAR_ARRAY);
-        return resultTOBuilder;
-    }
-
-    /**
-     * Converts <code>typedef</code> to generated TO with
-     * <code>typeDefName</code>. Every union type from <code>typedef</code> is
-     * added to generated TO builder as property.
-     *
-     * @param basePackageName
-     *            string with name of package to which the module belongs
-     * @param typedef
-     *            type definition which should be of type
-     *            <code>UnionTypeDefinition</code>
-     * @param typeDefName
-     *            string with name for generated TO
-     * @return generated TO builder which represents <code>typedef</code>
-     * @throws NullPointerException
-     *             <ul>
-     *             <li>if <code>basePackageName</code> is null</li>
-     *             <li>if <code>typedef</code> is null</li>
-     *             <li>if Qname of <code>typedef</code> is null</li>
-     *             </ul>
-     */
-    public List<GeneratedTOBuilder> provideGeneratedTOBuildersForUnionTypeDef(final String basePackageName, final UnionTypeDefinition typedef, final String typeDefName, final SchemaNode parentNode) {
-        Preconditions.checkNotNull(basePackageName, "Base Package Name cannot be NULL!");
-        Preconditions.checkNotNull(typedef, "Type Definition cannot be NULL!");
-        Preconditions.checkNotNull(typedef.getQName(), "Type definition QName cannot be NULL!");
-
-        final List<GeneratedTOBuilder> generatedTOBuilders = new ArrayList<>();
-        final List<TypeDefinition<?>> unionTypes = typedef.getTypes();
-        final Module module = findParentModule(schemaContext, parentNode);
-
-        final GeneratedTOBuilderImpl unionGenTOBuilder;
-        if (typeDefName != null && !typeDefName.isEmpty()) {
-            final String typeName = BindingMapping.getClassName(typeDefName);
-            unionGenTOBuilder = new GeneratedTOBuilderImpl(basePackageName, typeName);
-            final String typedefDescription = encodeAngleBrackets(typedef.getDescription());
-            unionGenTOBuilder.setDescription(typedefDescription);
-            unionGenTOBuilder.setReference(typedef.getReference());
-            unionGenTOBuilder.setSchemaPath(typedef.getPath().getPathFromRoot());
-            unionGenTOBuilder.setModuleName(module.getName());
-        } else {
-            unionGenTOBuilder = typedefToTransferObject(basePackageName, typedef, module.getName());
-        }
-
-        generatedTOBuilders.add(unionGenTOBuilder);
-        unionGenTOBuilder.setIsUnion(true);
-        final List<String> regularExpressions = new ArrayList<>();
-        for (final TypeDefinition<?> unionType : unionTypes) {
-            final String unionTypeName = unionType.getQName().getLocalName();
-            if (unionType.getBaseType() != null) {
-                resolveExtendedSubtypeAsUnion(unionGenTOBuilder, unionType, regularExpressions,
-                        parentNode);
-            } else if (unionType instanceof UnionTypeDefinition) {
-                generatedTOBuilders.addAll(resolveUnionSubtypeAsUnion(unionGenTOBuilder, (UnionTypeDefinition) unionType,
-                        basePackageName, parentNode));
-            } else if (unionType instanceof EnumTypeDefinition) {
-                final Enumeration enumeration = addInnerEnumerationToTypeBuilder((EnumTypeDefinition) unionType,
-                        unionTypeName, unionGenTOBuilder);
-                updateUnionTypeAsProperty(unionGenTOBuilder, enumeration, unionTypeName);
-            } else {
-                final Type javaType = javaTypeForSchemaDefinitionType(unionType, parentNode);
-                updateUnionTypeAsProperty(unionGenTOBuilder, javaType, unionTypeName);
-            }
-        }
-        if (!regularExpressions.isEmpty()) {
-            addStringRegExAsConstant(unionGenTOBuilder, regularExpressions);
-        }
-
-        storeGenTO(typedef, unionGenTOBuilder, parentNode);
-
-        return generatedTOBuilders;
-    }
-
-    /**
-     * Wraps code which handle case when union subtype is also of the type
-     * <code>UnionType</code>.
-     *
-     * In this case the new generated TO is created for union subtype (recursive
-     * call of method
-     * {@link #provideGeneratedTOBuildersForUnionTypeDef(String, UnionTypeDefinition,
-     * String, SchemaNode)}
-     * provideGeneratedTOBuilderForUnionTypeDef} and in parent TO builder
-     * <code>parentUnionGenTOBuilder</code> is created property which type is
-     * equal to new generated TO.
-     *
-     * @param parentUnionGenTOBuilder
-     *            generated TO builder to which is the property with the child
-     *            union subtype added
-     * @param basePackageName
-     *            string with the name of the module package
-     * @param unionSubtype
-     *            type definition which represents union subtype
-     * @return list of generated TO builders. The number of the builders can be
-     *         bigger one due to recursive call of
-     *         <code>provideGeneratedTOBuildersForUnionTypeDef</code> method.
-     */
-    private List<GeneratedTOBuilder> resolveUnionSubtypeAsUnion(final GeneratedTOBuilder parentUnionGenTOBuilder, final UnionTypeDefinition unionSubtype, final String basePackageName, final SchemaNode parentNode) {
-        final String newTOBuilderName = provideAvailableNameForGenTOBuilder(parentUnionGenTOBuilder.getName());
-        final List<GeneratedTOBuilder> subUnionGenTOBUilders = provideGeneratedTOBuildersForUnionTypeDef(
-                basePackageName, unionSubtype, newTOBuilderName, parentNode);
-
-        final GeneratedPropertyBuilder propertyBuilder;
-        propertyBuilder = parentUnionGenTOBuilder.addProperty(BindingMapping.getPropertyName(newTOBuilderName));
-        propertyBuilder.setReturnType(subUnionGenTOBUilders.get(0));
-        parentUnionGenTOBuilder.addEqualsIdentity(propertyBuilder);
-        parentUnionGenTOBuilder.addToStringProperty(propertyBuilder);
-
-        return subUnionGenTOBUilders;
-    }
-
-    /**
-     * Wraps code which handle case when union subtype is of the type
-     * <code>ExtendedType</code>.
-     *
-     * If TO for this type already exists it is used for the creation of the
-     * property in <code>parentUnionGenTOBuilder</code>. In other case the base
-     * type is used for the property creation.
-     *
-     * @param parentUnionGenTOBuilder
-     *            generated TO builder in which new property is created
-     * @param unionSubtype
-     *            type definition of the <code>ExtendedType</code> type which
-     *            represents union subtype
-     * @param regularExpressions
-     *            list of strings with the regular expressions
-     * @param parentNode
-     *            parent Schema Node for Extended Subtype
-     *
-     */
-    private void resolveExtendedSubtypeAsUnion(final GeneratedTOBuilder parentUnionGenTOBuilder, final TypeDefinition<?> unionSubtype, final List<String> regularExpressions, final SchemaNode parentNode) {
-        final String unionTypeName = unionSubtype.getQName().getLocalName();
-        final Type genTO = findGenTO(unionTypeName, unionSubtype);
-        if (genTO != null) {
-            updateUnionTypeAsProperty(parentUnionGenTOBuilder, genTO, genTO.getName());
-        } else {
-            final TypeDefinition<?> baseType = baseTypeDefForExtendedType(unionSubtype);
-            if (unionTypeName.equals(baseType.getQName().getLocalName())) {
-                final Type javaType = BaseYangTypes.BASE_YANG_TYPES_PROVIDER.javaTypeForSchemaDefinitionType(baseType,
-                        parentNode);
-                if (javaType != null) {
-                    updateUnionTypeAsProperty(parentUnionGenTOBuilder, javaType, unionTypeName);
-                }
-            }
-            if (baseType instanceof StringTypeDefinition) {
-                regularExpressions.addAll(resolveRegExpressionsFromTypedef(unionSubtype));
-            }
-        }
-    }
-
-    /**
-     * Searches for generated TO for <code>searchedTypeDef</code> type
-     * definition in {@link #genTypeDefsContextMap genTypeDefsContextMap}
-     *
-     * @param searchedTypeName
-     *            string with name of <code>searchedTypeDef</code>
-     * @return generated TO for <code>searchedTypeDef</code> or
-     *         <code>null</code> it it doesn't exist
-     */
-    private Type findGenTO(final String searchedTypeName, final SchemaNode parentNode) {
-        final Module typeModule = findParentModule(schemaContext, parentNode);
-        if (typeModule != null && typeModule.getName() != null) {
-            final Map<Date, Map<String, Type>> modulesByDate = genTypeDefsContextMap.get(typeModule.getName());
-            final Map<String, Type> genTOs = modulesByDate.get(typeModule.getRevision());
-            if (genTOs != null) {
-                return genTOs.get(searchedTypeName);
-            }
-        }
-        return null;
-    }
-
-    /**
-     * Stores generated TO created from <code>genTOBuilder</code> for
-     * <code>newTypeDef</code> to {@link #genTypeDefsContextMap
-     * genTypeDefsContextMap} if the module for <code>newTypeDef</code> exists
-     *
-     * @param newTypeDef
-     *            type definition for which is <code>genTOBuilder</code> created
-     * @param genTOBuilder
-     *            generated TO builder which is converted to generated TO and
-     *            stored
-     */
-    private void storeGenTO(final TypeDefinition<?> newTypeDef, final GeneratedTOBuilder genTOBuilder, final SchemaNode parentNode) {
-        if (!(newTypeDef instanceof UnionTypeDefinition)) {
-            final Module parentModule = findParentModule(schemaContext, parentNode);
-            if (parentModule != null && parentModule.getName() != null) {
-                Map<Date, Map<String, Type>> modulesByDate = genTypeDefsContextMap.get(parentModule.getName());
-                Map<String, Type> genTOsMap = modulesByDate.get(parentModule.getRevision());
-                genTOsMap.put(newTypeDef.getQName().getLocalName(), genTOBuilder.toInstance());
-            }
-        }
-    }
-
-    /**
-     * Adds a new property with the name <code>propertyName</code> and with type
-     * <code>type</code> to <code>unonGenTransObject</code>.
-     *
-     * @param unionGenTransObject
-     *            generated TO to which should be property added
-     * @param type
-     *            JAVA <code>type</code> of the property which should be added
-     *            to <code>unionGentransObject</code>
-     * @param propertyName
-     *            string with name of property which should be added to
-     *            <code>unionGentransObject</code>
-     */
-    private static void updateUnionTypeAsProperty(final GeneratedTOBuilder unionGenTransObject, final Type type, final String propertyName) {
-        if (unionGenTransObject != null && type != null && !unionGenTransObject.containsProperty(propertyName)) {
-            final GeneratedPropertyBuilder propBuilder = unionGenTransObject
-                    .addProperty(BindingMapping.getPropertyName(propertyName));
-            propBuilder.setReturnType(type);
-
-            unionGenTransObject.addEqualsIdentity(propBuilder);
-            unionGenTransObject.addHashIdentity(propBuilder);
-            unionGenTransObject.addToStringProperty(propBuilder);
-        }
-    }
-
-    /**
-     * Converts <code>typedef</code> to the generated TO builder.
-     *
-     * @param basePackageName
-     *            string with name of package to which the module belongs
-     * @param typedef
-     *            type definition from which is the generated TO builder created
-     * @return generated TO builder which contains data from
-     *         <code>typedef</code> and <code>basePackageName</code>
-     */
-    private static GeneratedTOBuilderImpl typedefToTransferObject(final String basePackageName, final TypeDefinition<?> typedef, final String moduleName) {
-
-        final String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, typedef.getPath());
-        final String typeDefTOName = typedef.getQName().getLocalName();
-
-        if (packageName != null && typeDefTOName != null) {
-            final String genTOName = BindingMapping.getClassName(typeDefTOName);
-            final GeneratedTOBuilderImpl newType = new GeneratedTOBuilderImpl(packageName, genTOName);
-            final String typedefDescription = encodeAngleBrackets(typedef.getDescription());
-
-            newType.setDescription(typedefDescription);
-            newType.setReference(typedef.getReference());
-            newType.setSchemaPath(typedef.getPath().getPathFromRoot());
-            newType.setModuleName(moduleName);
-
-            return newType;
-        }
-        return null;
-    }
-
-    /**
-     * Converts <code>typeDef</code> which should be of the type
-     * <code>BitsTypeDefinition</code> to <code>GeneratedTOBuilder</code>.
-     *
-     * All the bits of the typeDef are added to returning generated TO as
-     * properties.
-     *
-     * @param basePackageName
-     *            string with name of package to which the module belongs
-     * @param typeDef
-     *            type definition from which is the generated TO builder created
-     * @param typeDefName
-     *            string with the name for generated TO builder
-     * @return generated TO builder which represents <code>typeDef</code>
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>typeDef</code> equals null</li>
-     *             <li>if <code>basePackageName</code> equals null</li>
-     *             </ul>
-     */
-    public GeneratedTOBuilder provideGeneratedTOBuilderForBitsTypeDefinition(final String basePackageName, final TypeDefinition<?> typeDef, final String typeDefName, final String moduleName) {
-
-        Preconditions.checkArgument(typeDef != null, "typeDef cannot be NULL!");
-        Preconditions.checkArgument(basePackageName != null, "Base Package Name cannot be NULL!");
-
-        if (typeDef instanceof BitsTypeDefinition) {
-            BitsTypeDefinition bitsTypeDefinition = (BitsTypeDefinition) typeDef;
-
-            final String typeName = BindingMapping.getClassName(typeDefName);
-            final GeneratedTOBuilderImpl genTOBuilder = new GeneratedTOBuilderImpl(basePackageName, typeName);
-            final String typedefDescription = encodeAngleBrackets(typeDef.getDescription());
-
-            genTOBuilder.setDescription(typedefDescription);
-            genTOBuilder.setReference(typeDef.getReference());
-            genTOBuilder.setSchemaPath(typeDef.getPath().getPathFromRoot());
-            genTOBuilder.setModuleName(moduleName);
-            genTOBuilder.setBaseType(typeDef);
-
-            final List<Bit> bitList = bitsTypeDefinition.getBits();
-            GeneratedPropertyBuilder genPropertyBuilder;
-            for (final Bit bit : bitList) {
-                String name = bit.getName();
-                genPropertyBuilder = genTOBuilder.addProperty(BindingMapping.getPropertyName(name));
-                genPropertyBuilder.setReadOnly(true);
-                genPropertyBuilder.setReturnType(BaseYangTypes.BOOLEAN_TYPE);
-
-                genTOBuilder.addEqualsIdentity(genPropertyBuilder);
-                genTOBuilder.addHashIdentity(genPropertyBuilder);
-                genTOBuilder.addToStringProperty(genPropertyBuilder);
-            }
-
-            return genTOBuilder;
-        }
-        return null;
-    }
-
-    /**
-     * Converts the pattern constraints from <code>typedef</code> to the list of
-     * the strings which represents these constraints.
-     *
-     * @param typedef
-     *            extended type in which are the pattern constraints sought
-     * @return list of strings which represents the constraint patterns
-     * @throws IllegalArgumentException
-     *             if <code>typedef</code> equals null
-     *
-     */
-    private static List<String> resolveRegExpressionsFromTypedef(final TypeDefinition<?> typedef) {
-        Preconditions.checkArgument(typedef != null, "typedef can't be null");
-
-        final List<PatternConstraint> patternConstraints;
-        if (typedef instanceof StringTypeDefinition) {
-            // FIXME: run diff against base
-            patternConstraints = ((StringTypeDefinition) typedef).getPatternConstraints();
-        } else {
-            patternConstraints = ImmutableList.of();
-        }
-
-        final List<String> regExps = new ArrayList<>(patternConstraints.size());
-        for (PatternConstraint patternConstraint : patternConstraints) {
-            final String regEx = patternConstraint.getRegularExpression();
-            final String modifiedRegEx = StringEscapeUtils.escapeJava(regEx);
-            regExps.add(modifiedRegEx);
-        }
-
-        return regExps;
-    }
-
-    /**
-     *
-     * Adds to the <code>genTOBuilder</code> the constant which contains regular
-     * expressions from the <code>regularExpressions</code>
-     *
-     * @param genTOBuilder
-     *            generated TO builder to which are
-     *            <code>regular expressions</code> added
-     * @param regularExpressions
-     *            list of string which represent regular expressions
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>genTOBuilder</code> equals null</li>
-     *             <li>if <code>regularExpressions</code> equals null</li>
-     *             </ul>
-     */
-    private static void addStringRegExAsConstant(final GeneratedTOBuilder genTOBuilder, final List<String> regularExpressions) {
-        if (genTOBuilder == null) {
-            throw new IllegalArgumentException("Generated transfer object builder can't be null");
-        }
-        if (regularExpressions == null) {
-            throw new IllegalArgumentException("List of regular expressions can't be null");
-        }
-        if (!regularExpressions.isEmpty()) {
-            genTOBuilder.addConstant(Types.listTypeFor(BaseYangTypes.STRING_TYPE), TypeConstants.PATTERN_CONSTANT_NAME,
-                    regularExpressions);
-        }
+        super(schemaContext);
     }
-
-    /**
-     * Creates generated TO with data about inner extended type
-     * <code>innerExtendedType</code>, about the package name
-     * <code>typedefName</code> and about the generated TO name
-     * <code>typedefName</code>.
-     *
-     * It is supposed that <code>innerExtendedType</code> is already present in
-     * {@link TypeProviderImpl#genTypeDefsContextMap genTypeDefsContextMap} to
-     * be possible set it as extended type for the returning generated TO.
-     *
-     * @param typedef
-     *            Type Definition
-     * @param innerExtendedType
-     *            extended type which is part of some other extended type
-     * @param basePackageName
-     *            string with the package name of the module
-     * @param moduleName
-     *            Module Name
-     * @return generated TO which extends generated TO for
-     *         <code>innerExtendedType</code>
-     * @throws IllegalArgumentException
-     *             <ul>
-     *             <li>if <code>extendedType</code> equals null</li>
-     *             <li>if <code>basePackageName</code> equals null</li>
-     *             <li>if <code>typedefName</code> equals null</li>
-     *             </ul>
-     */
-    private GeneratedTransferObject provideGeneratedTOFromExtendedType(final TypeDefinition<?> typedef, final TypeDefinition<?> innerExtendedType, final String basePackageName, final String moduleName) {
-        Preconditions.checkArgument(innerExtendedType != null, "Extended type cannot be NULL!");
-        Preconditions.checkArgument(basePackageName != null, "String with base package name cannot be NULL!");
-
-        final String typedefName = typedef.getQName().getLocalName();
-        final String classTypedefName = BindingMapping.getClassName(typedefName);
-        final String innerTypeDef = innerExtendedType.getQName().getLocalName();
-        final GeneratedTOBuilderImpl genTOBuilder = new GeneratedTOBuilderImpl(basePackageName, classTypedefName);
-        final String typedefDescription = encodeAngleBrackets(typedef.getDescription());
-
-        genTOBuilder.setDescription(typedefDescription);
-        genTOBuilder.setReference(typedef.getReference());
-        genTOBuilder.setSchemaPath(typedef.getPath().getPathFromRoot());
-        genTOBuilder.setModuleName(moduleName);
-        genTOBuilder.setTypedef(true);
-        Restrictions r = BindingGeneratorUtil.getRestrictions(typedef);
-        genTOBuilder.setRestrictions(r);
-        if (typedef.getStatus() == Status.DEPRECATED) {
-            genTOBuilder.addAnnotation("", "Deprecated");
-        }
-
-        if (baseTypeDefForExtendedType(innerExtendedType) instanceof UnionTypeDefinition) {
-            genTOBuilder.setIsUnion(true);
-        }
-
-        Map<Date, Map<String, Type>> modulesByDate = null;
-        Map<String, Type> typeMap = null;
-        final Module parentModule = findParentModule(schemaContext, innerExtendedType);
-        if (parentModule != null) {
-            modulesByDate = genTypeDefsContextMap.get(parentModule.getName());
-            typeMap = modulesByDate.get(parentModule.getRevision());
-        }
-
-        if (typeMap != null) {
-            Type type = typeMap.get(innerTypeDef);
-            if (type instanceof GeneratedTransferObject) {
-                genTOBuilder.setExtendsType((GeneratedTransferObject) type);
-            }
-        }
-        addUnitsToGenTO(genTOBuilder, typedef.getUnits());
-        makeSerializable(genTOBuilder);
-
-        return genTOBuilder.toInstance();
-    }
-
-    /**
-     * Add {@link Serializable} to implemented interfaces of this TO. Also
-     * compute and add serialVersionUID property.
-     *
-     * @param gto
-     *            transfer object which needs to be serializable
-     */
-    private static void makeSerializable(final GeneratedTOBuilderImpl gto) {
-        gto.addImplementsType(Types.typeForClass(Serializable.class));
-        GeneratedPropertyBuilder prop = new GeneratedPropertyBuilderImpl("serialVersionUID");
-        prop.setValue(Long.toString(BindingGeneratorUtil.computeDefaultSUID(gto)));
-        gto.setSUID(prop);
-    }
-
-    /**
-     * Finds out for each type definition how many immersion (depth) is
-     * necessary to get to the base type. Every type definition is inserted to
-     * the map which key is depth and value is list of type definitions with
-     * equal depth. In next step are lists from this map concatenated to one
-     * list in ascending order according to their depth. All type definitions
-     * are in the list behind all type definitions on which depends.
-     *
-     * @param unsortedTypeDefinitions
-     *            list of type definitions which should be sorted by depth
-     * @return list of type definitions sorted according their each other
-     *         dependencies (type definitions which are depend on other type
-     *         definitions are in list behind them).
-     */
-    private static List<TypeDefinition<?>> sortTypeDefinitionAccordingDepth(
-            final Collection<TypeDefinition<?>> unsortedTypeDefinitions) {
-        List<TypeDefinition<?>> sortedTypeDefinition = new ArrayList<>();
-
-        Map<Integer, List<TypeDefinition<?>>> typeDefinitionsDepths = new TreeMap<>();
-        for (TypeDefinition<?> unsortedTypeDefinition : unsortedTypeDefinitions) {
-            final Integer depth = getTypeDefinitionDepth(unsortedTypeDefinition);
-            List<TypeDefinition<?>> typeDefinitionsConcreteDepth = typeDefinitionsDepths.get(depth);
-            if (typeDefinitionsConcreteDepth == null) {
-                typeDefinitionsConcreteDepth = new ArrayList<>();
-                typeDefinitionsDepths.put(depth, typeDefinitionsConcreteDepth);
-            }
-            typeDefinitionsConcreteDepth.add(unsortedTypeDefinition);
-        }
-
-        // SortedMap guarantees order corresponding to keys in ascending order
-        for (List<TypeDefinition<?>> v : typeDefinitionsDepths.values()) {
-            sortedTypeDefinition.addAll(v);
-        }
-
-        return sortedTypeDefinition;
-    }
-
-    /**
-     * Returns how many immersion is necessary to get from the type definition
-     * to the base type.
-     *
-     * @param typeDefinition
-     *            type definition for which is depth sought.
-     * @return number of immersions which are necessary to get from the type
-     *         definition to the base type
-     */
-    private static int getTypeDefinitionDepth(final TypeDefinition<?> typeDefinition) {
-        // FIXME: rewrite this in a non-recursive manner
-        if (typeDefinition == null) {
-            return 1;
-        }
-        TypeDefinition<?> baseType = typeDefinition.getBaseType();
-        if (baseType == null) {
-            return 1;
-        }
-
-        int depth = 1;
-        if (baseType.getBaseType() != null) {
-            depth = depth + getTypeDefinitionDepth(baseType);
-        } else if (baseType instanceof UnionTypeDefinition) {
-            List<TypeDefinition<?>> childTypeDefinitions = ((UnionTypeDefinition) baseType).getTypes();
-            int maxChildDepth = 0;
-            int childDepth = 1;
-            for (TypeDefinition<?> childTypeDefinition : childTypeDefinitions) {
-                childDepth = childDepth + getTypeDefinitionDepth(childTypeDefinition);
-                if (childDepth > maxChildDepth) {
-                    maxChildDepth = childDepth;
-                }
-            }
-            return maxChildDepth;
-        }
-        return depth;
-    }
-
-    /**
-     * Returns string which contains the same value as <code>name</code> but
-     * integer suffix is incremented by one. If <code>name</code> contains no
-     * number suffix then number 1 is added.
-     *
-     * @param name
-     *            string with name of augmented node
-     * @return string with the number suffix incremented by one (or 1 is added)
-     */
-    private static String provideAvailableNameForGenTOBuilder(final String name) {
-        Matcher mtch = NUMBERS_PATTERN.matcher(name);
-        if (mtch.find()) {
-            final int newSuffix = Integer.parseInt(name.substring(mtch.start())) + 1;
-            return name.substring(0, mtch.start()) + newSuffix;
-        }
-
-        return name + 1;
-    }
-
-    public static void addUnitsToGenTO(final GeneratedTOBuilder to, final String units) {
-        if (!Strings.isNullOrEmpty(units)) {
-            to.addConstant(Types.STRING, "_UNITS", "\"" + units + "\"");
-            GeneratedPropertyBuilder prop = new GeneratedPropertyBuilderImpl("UNITS");
-            prop.setReturnType(Types.STRING);
-            to.addToStringProperty(prop);
-        }
-    }
-
-    @Override
-    public String getTypeDefaultConstruction(final LeafSchemaNode node) {
-        return getTypeDefaultConstruction(node, node.getDefault());
-    }
-
-    public String getTypeDefaultConstruction(final LeafSchemaNode node, final String defaultValue) {
-        TypeDefinition<?> type = CompatUtils.compatLeafType(node);
-        QName typeQName = type.getQName();
-        TypeDefinition<?> base = baseTypeDefForExtendedType(type);
-        Preconditions.checkNotNull(type, "Cannot provide default construction for null type of %s", node);
-        Preconditions.checkNotNull(defaultValue, "Cannot provide default construction for null default statement of %s",
-                node);
-
-        StringBuilder sb = new StringBuilder();
-        String result = null;
-        if (base instanceof BinaryTypeDefinition) {
-            result = binaryToDef(defaultValue);
-        } else if (base instanceof BitsTypeDefinition) {
-            String parentName;
-            String className;
-            Module parent = getParentModule(node);
-            Iterator<QName> path = node.getPath().getPathFromRoot().iterator();
-            path.next();
-            if (!path.hasNext()) {
-                parentName = BindingMapping.getClassName(parent.getName()) + "Data";
-                String basePackageName = BindingMapping.getRootPackageName(parent.getQNameModule());
-                className = basePackageName + "." + parentName + "." + BindingMapping.getClassName(node.getQName());
-            } else {
-                String basePackageName = BindingMapping.getRootPackageName(parent.getQNameModule());
-                String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, type.getPath());
-                parentName = BindingMapping.getClassName(parent.getName());
-                className = packageName + "." + parentName + "." + BindingMapping.getClassName(node.getQName());
-            }
-            result = bitsToDef((BitsTypeDefinition) base, className, defaultValue, type.getBaseType() != null);
-        } else if (base instanceof BooleanTypeDefinition) {
-            result = typeToBooleanDef(defaultValue);
-        } else if (base instanceof DecimalTypeDefinition) {
-            result = typeToDef(BigDecimal.class, defaultValue);
-        } else if (base instanceof EmptyTypeDefinition) {
-            result = typeToBooleanDef(defaultValue);
-        } else if (base instanceof EnumTypeDefinition) {
-            char[] defValArray = defaultValue.toCharArray();
-            char first = Character.toUpperCase(defaultValue.charAt(0));
-            defValArray[0] = first;
-            String newDefVal = new String(defValArray);
-            String className;
-            if (type.getBaseType() != null) {
-                Module m = getParentModule(type);
-                String basePackageName = BindingMapping.getRootPackageName(m.getQNameModule());
-                String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, type.getPath());
-                className = packageName + "." + BindingMapping.getClassName(typeQName);
-            } else {
-                Module parentModule = getParentModule(node);
-                String basePackageName = BindingMapping.getRootPackageName(parentModule.getQNameModule());
-                String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, node.getPath());
-                className = packageName + "." + BindingMapping.getClassName(node.getQName());
-            }
-            result = className + "." + newDefVal;
-        } else if (base instanceof IdentityrefTypeDefinition) {
-            throw new UnsupportedOperationException("Cannot get default construction for identityref type");
-        } else if (base instanceof InstanceIdentifierTypeDefinition) {
-            throw new UnsupportedOperationException("Cannot get default construction for instance-identifier type");
-        } else if (BaseTypes.isInt8(base)) {
-            result = typeToValueOfDef(Byte.class, defaultValue);
-        } else if (BaseTypes.isInt16(base)) {
-            result = typeToValueOfDef(Short.class, defaultValue);
-        } else if (BaseTypes.isInt32(base)) {
-            result = typeToValueOfDef(Integer.class, defaultValue);
-        } else if (BaseTypes.isInt64(base)) {
-            result = typeToValueOfDef(Long.class, defaultValue);
-        } else if (base instanceof LeafrefTypeDefinition) {
-            result = leafrefToDef(node, (LeafrefTypeDefinition) base, defaultValue);
-        } else if (base instanceof StringTypeDefinition) {
-            result = "\"" + defaultValue + "\"";
-        } else if (BaseTypes.isUint8(base)) {
-            result = typeToValueOfDef(Short.class, defaultValue);
-        } else if (BaseTypes.isUint16(base)) {
-            result = typeToValueOfDef(Integer.class, defaultValue);
-        } else if (BaseTypes.isUint32(base)) {
-            result = typeToValueOfDef(Long.class, defaultValue);
-        } else if (BaseTypes.isUint64(base)) {
-            switch (defaultValue) {
-                case "0":
-                    result = "java.math.BigInteger.ZERO";
-                    break;
-                case "1":
-                    result = "java.math.BigInteger.ONE";
-                    break;
-                case "10":
-                    result = "java.math.BigInteger.TEN";
-                    break;
-                default:
-                    result = typeToDef(BigInteger.class, defaultValue);
-            }
-        } else if (base instanceof UnionTypeDefinition) {
-            result = unionToDef(node);
-        } else {
-            result = "";
-        }
-        sb.append(result);
-
-        if (type.getBaseType() != null && !(base instanceof LeafrefTypeDefinition)
-                && !(base instanceof EnumTypeDefinition) && !(base instanceof UnionTypeDefinition)) {
-            Module m = getParentModule(type);
-            String basePackageName = BindingMapping.getRootPackageName(m.getQNameModule());
-            String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, type.getPath());
-            String className = packageName + "." + BindingMapping.getClassName(typeQName);
-            sb.insert(0, "new " + className + "(");
-            sb.insert(sb.length(), ')');
-        }
-
-        return sb.toString();
-    }
-
-    private static String typeToDef(final Class<?> clazz, final String defaultValue) {
-        return "new " + clazz.getName() + "(\"" + defaultValue + "\")";
-    }
-
-    private static String typeToValueOfDef(final Class<?> clazz, final String defaultValue) {
-        return clazz.getName() + ".valueOf(\"" + defaultValue + "\")";
-    }
-
-    private static String typeToBooleanDef(final String defaultValue) {
-        switch (defaultValue) {
-            case "false":
-                return "java.lang.Boolean.FALSE";
-            case "true":
-                return "java.lang.Boolean.TRUE";
-            default:
-                return typeToValueOfDef(Boolean.class, defaultValue);
-        }
-    }
-
-    private static String binaryToDef(final String defaultValue) {
-        StringBuilder sb = new StringBuilder();
-        BaseEncoding en = BaseEncoding.base64();
-        byte[] encoded = en.decode(defaultValue);
-        sb.append("new byte[] {");
-        for (int i = 0; i < encoded.length; i++) {
-            sb.append(encoded[i]);
-            if (i != encoded.length - 1) {
-                sb.append(", ");
-            }
-        }
-        sb.append('}');
-        return sb.toString();
-    }
-
-    private static final Comparator<Bit> BIT_NAME_COMPARATOR = (o1, o2) -> o1.getName().compareTo(o2.getName());
-
-    private static String bitsToDef(final BitsTypeDefinition type, final String className, final String defaultValue, final boolean isExt) {
-        List<Bit> bits = new ArrayList<>(type.getBits());
-        Collections.sort(bits, BIT_NAME_COMPARATOR);
-        StringBuilder sb = new StringBuilder();
-        if (!isExt) {
-            sb.append("new ");
-            sb.append(className);
-            sb.append('(');
-        }
-        for (int i = 0; i < bits.size(); i++) {
-            if (bits.get(i).getName().equals(defaultValue)) {
-                sb.append(true);
-            } else {
-                sb.append(false);
-            }
-            if (i != bits.size() - 1) {
-                sb.append(", ");
-            }
-        }
-        if (!isExt) {
-            sb.append(')');
-        }
-        return sb.toString();
-    }
-
-    private Module getParentModule(final SchemaNode node) {
-        QName qname = node.getPath().getPathFromRoot().iterator().next();
-        URI namespace = qname.getNamespace();
-        Date revision = qname.getRevision();
-        return schemaContext.findModuleByNamespaceAndRevision(namespace, revision);
-    }
-
-    private String leafrefToDef(final LeafSchemaNode parentNode, final LeafrefTypeDefinition leafrefType, final String defaultValue) {
-        Preconditions.checkArgument(leafrefType != null, "Leafref Type Definition reference cannot be NULL!");
-        Preconditions.checkArgument(leafrefType.getPathStatement() != null,
-                "The Path Statement for Leafref Type Definition cannot be NULL!");
-
-        final RevisionAwareXPath xpath = leafrefType.getPathStatement();
-        final String strXPath = xpath.toString();
-
-        if (strXPath != null) {
-            if (strXPath.indexOf('[') == -1) {
-                final Module module = findParentModule(schemaContext, parentNode);
-                if (module != null) {
-                    final SchemaNode dataNode;
-                    if (xpath.isAbsolute()) {
-                        dataNode = findDataSchemaNode(schemaContext, module, xpath);
-                    } else {
-                        dataNode = findDataSchemaNodeForRelativeXPath(schemaContext, module, parentNode, xpath);
-                    }
-                    String result = getTypeDefaultConstruction((LeafSchemaNode) dataNode, defaultValue);
-                    return result;
-                }
-            } else {
-                return "new java.lang.Object()";
-            }
-        }
-
-        return null;
-    }
-
-    private String unionToDef(final LeafSchemaNode node) {
-        final TypeDefinition<?> type = CompatUtils.compatLeafType(node);
-        String parentName;
-        String className;
-
-        if (type.getBaseType() != null) {
-            QName typeQName = type.getQName();
-            Module module = null;
-            Set<Module> modules = schemaContext.findModuleByNamespace(typeQName.getNamespace());
-            if (modules.size() > 1) {
-                for (Module m : modules) {
-                    if (m.getRevision().equals(typeQName.getRevision())) {
-                        module = m;
-                        break;
-                    }
-                }
-                if (module == null) {
-                    List<Module> modulesList = new ArrayList<>(modules);
-                    Collections.sort(modulesList, (o1, o2) -> o1.getRevision().compareTo(o2.getRevision()));
-                    module = modulesList.get(0);
-                }
-            } else {
-                module = modules.iterator().next();
-            }
-
-            String basePackageName = BindingMapping.getRootPackageName(module.getQNameModule());
-            className = basePackageName + "." + BindingMapping.getClassName(typeQName);
-        } else {
-            Iterator<QName> path = node.getPath().getPathFromRoot().iterator();
-            QName first = path.next();
-            if (!path.hasNext()) {
-                URI namespace = first.getNamespace();
-                Date revision = first.getRevision();
-                Module parent = schemaContext.findModuleByNamespaceAndRevision(namespace, revision);
-                parentName = BindingMapping.getClassName(parent.getName()) + "Data";
-                String basePackageName = BindingMapping.getRootPackageName(parent.getQNameModule());
-                className = basePackageName + "." + parentName + "." + BindingMapping.getClassName(node.getQName());
-            } else {
-                URI namespace = first.getNamespace();
-                Date revision = first.getRevision();
-                Module parentModule = schemaContext.findModuleByNamespaceAndRevision(namespace, revision);
-                String basePackageName = BindingMapping.getRootPackageName(parentModule.getQNameModule());
-                String packageName = BindingGeneratorUtil.packageNameForGeneratedType(basePackageName, UNION_PATH);
-                className = packageName + "." + BindingMapping.getClassName(node.getQName());
-            }
-        }
-        return union(className, node.getDefault(), node);
-    }
-
-    private static String union(final String className, final String defaultValue, final LeafSchemaNode node) {
-        StringBuilder sb = new StringBuilder();
-        sb.append("new ");
-        sb.append(className);
-        sb.append("(\"");
-        sb.append(defaultValue);
-        sb.append("\".toCharArray())");
-        return sb.toString();
-    }
-
-    @Override
-    public String getConstructorPropertyName(final SchemaNode node) {
-        return node instanceof TypeDefinition<?> ? "value" : "";
-    }
-
-    @Override
-    public String getParamNameFromType(final TypeDefinition<?> type) {
-        return BindingMapping.getPropertyName(type.getQName().getLocalName());
-    }
-
 }