Merge "Add IfNewHostNotify to DeviceManager"
[controller.git] / opendaylight / sal / yang-prototype / code-generator / yang-model-parser-impl / src / main / java / org / opendaylight / controller / yang / parser / util / ParserUtils.java
index b4e250d19f9e2df482e4421f5943a29e73e350d9..d38bc5e7adf22f74f6678e9614d38e2872a8099d 100644 (file)
@@ -8,9 +8,9 @@
 package org.opendaylight.controller.yang.parser.util;
 
 import java.lang.reflect.Method;
-import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 import org.opendaylight.controller.yang.common.QName;
 import org.opendaylight.controller.yang.model.api.ModuleImport;
@@ -40,6 +40,7 @@ import org.opendaylight.controller.yang.model.util.BooleanType;
 import org.opendaylight.controller.yang.model.util.Decimal64;
 import org.opendaylight.controller.yang.model.util.EmptyType;
 import org.opendaylight.controller.yang.model.util.EnumerationType;
+import org.opendaylight.controller.yang.model.util.ExtendedType;
 import org.opendaylight.controller.yang.model.util.IdentityrefType;
 import org.opendaylight.controller.yang.model.util.InstanceIdentifier;
 import org.opendaylight.controller.yang.model.util.Int16;
@@ -51,7 +52,7 @@ import org.opendaylight.controller.yang.model.util.StringType;
 import org.opendaylight.controller.yang.model.util.UnionType;
 import org.opendaylight.controller.yang.parser.builder.api.AugmentationSchemaBuilder;
 import org.opendaylight.controller.yang.parser.builder.api.Builder;
-import org.opendaylight.controller.yang.parser.builder.api.ChildNodeBuilder;
+import org.opendaylight.controller.yang.parser.builder.api.DataNodeContainerBuilder;
 import org.opendaylight.controller.yang.parser.builder.api.DataSchemaNodeBuilder;
 import org.opendaylight.controller.yang.parser.builder.api.GroupingBuilder;
 import org.opendaylight.controller.yang.parser.builder.api.SchemaNodeBuilder;
@@ -68,7 +69,7 @@ import org.opendaylight.controller.yang.parser.builder.impl.LeafListSchemaNodeBu
 import org.opendaylight.controller.yang.parser.builder.impl.LeafSchemaNodeBuilder;
 import org.opendaylight.controller.yang.parser.builder.impl.ListSchemaNodeBuilder;
 import org.opendaylight.controller.yang.parser.builder.impl.ModuleBuilder;
-import org.opendaylight.controller.yang.parser.builder.impl.TypedefBuilder;
+import org.opendaylight.controller.yang.parser.builder.impl.TypeDefinitionBuilderImpl;
 import org.opendaylight.controller.yang.parser.builder.impl.UnknownSchemaNodeBuilder;
 import org.opendaylight.controller.yang.parser.builder.impl.UsesNodeBuilderImpl;
 
@@ -79,7 +80,7 @@ public final class ParserUtils {
 
     /**
      * Get module import referenced by given prefix.
-     *
+     * 
      * @param builder
      *            module to search
      * @param prefix
@@ -100,7 +101,7 @@ public final class ParserUtils {
 
     /**
      * Parse uses path.
-     *
+     * 
      * @param usesPath
      *            as String
      * @return SchemaPath from given String
@@ -127,173 +128,303 @@ public final class ParserUtils {
 
     /**
      * Add all augment's child nodes to given target.
-     *
+     * 
      * @param augment
      * @param target
      */
     public static void fillAugmentTarget(
             final AugmentationSchemaBuilder augment,
-            final ChildNodeBuilder target) {
+            final DataNodeContainerBuilder target) {
         for (DataSchemaNodeBuilder builder : augment.getChildNodes()) {
             builder.setAugmenting(true);
-            correctAugmentChildPath(augment, target.getPath());
+            correctAugmentChildPath(builder, target.getPath());
             target.addChildNode(builder);
         }
     }
 
-    private static void correctAugmentChildPath(final ChildNodeBuilder node,
-            final SchemaPath parentSchemaPath) {
-        for (DataSchemaNodeBuilder builder : node.getChildNodes()) {
+    public static void fillAugmentTarget(
+            final AugmentationSchemaBuilder augment, final ChoiceBuilder target) {
+        for (DataSchemaNodeBuilder builder : augment.getChildNodes()) {
+            builder.setAugmenting(true);
+            correctAugmentChildPath(builder, target.getPath());
+            target.addChildNode(builder);
+        }
+    }
 
-            // add correct path
-            List<QName> targetNodePath = new ArrayList<QName>(
-                    parentSchemaPath.getPath());
-            targetNodePath.add(builder.getQName());
-            builder.setPath(new SchemaPath(targetNodePath, true));
+    private static void correctAugmentChildPath(
+            final DataSchemaNodeBuilder childNode,
+            final SchemaPath parentSchemaPath) {
 
-            if (builder instanceof ChildNodeBuilder) {
-                ChildNodeBuilder cnb = (ChildNodeBuilder) builder;
-                correctAugmentChildPath(cnb, builder.getPath());
+        // set correct path
+        List<QName> targetNodePath = new ArrayList<QName>(
+                parentSchemaPath.getPath());
+        targetNodePath.add(childNode.getQName());
+        childNode.setPath(new SchemaPath(targetNodePath, true));
+
+        // set correct path for all child nodes
+        if (childNode instanceof DataNodeContainerBuilder) {
+            DataNodeContainerBuilder dataNodeContainer = (DataNodeContainerBuilder) childNode;
+            for (DataSchemaNodeBuilder child : dataNodeContainer
+                    .getChildNodes()) {
+                correctAugmentChildPath(child, childNode.getPath());
             }
+        }
 
-            // if child can contains type, correct path for this type too
-            if(builder instanceof TypeAwareBuilder) {
-                TypeAwareBuilder nodeBuilder = (TypeAwareBuilder)builder;
-                QName nodeBuilderQName = nodeBuilder.getQName();
-                TypeDefinition<?> nodeBuilderType = nodeBuilder.getType();
-                if(nodeBuilderType != null) {
-                    TypeDefinition<?> newType = createCorrectTypeDefinition(parentSchemaPath, nodeBuilderQName, nodeBuilderType);
-                    nodeBuilder.setType(newType);
-                } else {
-                    TypeDefinitionBuilder nodeBuilderTypedef = nodeBuilder.getTypedef();
-                    SchemaPath newSchemaPath = createNewSchemaPath(nodeBuilderTypedef.getPath(), nodeBuilderQName, nodeBuilderTypedef.getQName());
-                    nodeBuilderTypedef.setPath(newSchemaPath);
+        // if node can contains type, correct path for this type too
+        if (childNode instanceof TypeAwareBuilder) {
+            TypeAwareBuilder nodeBuilder = (TypeAwareBuilder) childNode;
+            correctTypeAwareNodePath(nodeBuilder, parentSchemaPath);
+        }
+    }
+
+    /**
+     * Repair schema path of node type.
+     * 
+     * @param node
+     *            node which contains type statement
+     * @param parentSchemaPath
+     *            schema path of parent node
+     */
+    private static void correctTypeAwareNodePath(
+            TypeAwareBuilder node, SchemaPath parentSchemaPath) {
+        final QName nodeBuilderQName = node.getQName();
+        final TypeDefinition<?> nodeType = node.getType();
+
+        Integer fd = null;
+        List<LengthConstraint> lengths = null;
+        List<PatternConstraint> patterns = null;
+        List<RangeConstraint> ranges = null;
+
+        if (nodeType != null) {
+            if (nodeType instanceof ExtendedType) {
+                ExtendedType et = (ExtendedType) nodeType;
+                if (nodeType
+                        .getQName()
+                        .getLocalName()
+                        .equals(nodeType.getBaseType().getQName()
+                                .getLocalName())) {
+                    fd = et.getFractionDigits();
+                    lengths = et.getLengths();
+                    patterns = et.getPatterns();
+                    ranges = et.getRanges();
+                    if (!hasConstraints(fd, lengths, patterns, ranges)) {
+                        return;
+                    }
                 }
             }
+            TypeDefinition<?> newType = createCorrectTypeDefinition(
+                    parentSchemaPath, nodeBuilderQName, nodeType);
+            node.setType(newType);
+        } else {
+            TypeDefinitionBuilder nodeBuilderTypedef = node.getTypedef();
+
+            fd = nodeBuilderTypedef.getFractionDigits();
+            lengths = nodeBuilderTypedef.getLengths();
+            patterns = nodeBuilderTypedef.getPatterns();
+            ranges = nodeBuilderTypedef.getRanges();
+
+            String tdbTypeName = nodeBuilderTypedef.getQName().getLocalName();
+            String baseTypeName = null;
+            if (nodeBuilderTypedef.getType() == null) {
+                baseTypeName = nodeBuilderTypedef.getTypedef().getQName()
+                        .getLocalName();
+            } else {
+                baseTypeName = nodeBuilderTypedef.getType().getQName()
+                        .getLocalName();
+            }
+            if (!(tdbTypeName.equals(baseTypeName))) {
+                return;
+            }
+
+            if (!hasConstraints(fd, lengths, patterns, ranges)) {
+                return;
+            }
+
+            SchemaPath newSchemaPath = createNewSchemaPath(
+                    nodeBuilderTypedef.getPath(), nodeBuilderQName,
+                    nodeBuilderTypedef.getQName());
+            nodeBuilderTypedef.setPath(newSchemaPath);
+        }
+    }
+
+    /**
+     * Check if there are some constraints.
+     * 
+     * @param fd
+     *            fraction digits
+     * @param lengths
+     *            length constraints
+     * @param patterns
+     *            pattern constraints
+     * @param ranges
+     *            range constraints
+     * @return true, if any of constraints are present, false otherwise
+     */
+    private static boolean hasConstraints(final Integer fd,
+            final List<LengthConstraint> lengths,
+            final List<PatternConstraint> patterns,
+            final List<RangeConstraint> ranges) {
+        if (fd == null && (lengths == null || lengths.isEmpty())
+                && (patterns == null || patterns.isEmpty())
+                && (ranges == null || ranges.isEmpty())) {
+            return false;
+        } else {
+            return true;
         }
     }
 
-    private static TypeDefinition<?> createCorrectTypeDefinition(SchemaPath parentSchemaPath, QName nodeQName, TypeDefinition<?> nodeType) {
+    private static TypeDefinition<?> createCorrectTypeDefinition(
+            SchemaPath parentSchemaPath, QName nodeQName,
+            TypeDefinition<?> nodeType) {
         TypeDefinition<?> result = null;
         SchemaPath newSchemaPath = null;
-        if(nodeType != null) {
-            if(nodeType instanceof BinaryTypeDefinition) {
-                BinaryTypeDefinition binType = (BinaryTypeDefinition)nodeType;
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, binType.getQName());
-                List<Byte> bytes = (List<Byte>)binType.getDefaultValue();
-                result = new BinaryType(newSchemaPath, bytes, binType.getLengthConstraints(), binType.getUnits());
-            } else if(nodeType instanceof BitsTypeDefinition) {
-                BitsTypeDefinition bitsType = (BitsTypeDefinition)nodeType;
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, nodeType.getQName());
-                result = new BitsType(newSchemaPath, bitsType.getBits(), bitsType.getUnits());
-            } else if(nodeType instanceof BooleanTypeDefinition) {
-                BooleanTypeDefinition booleanType = (BooleanTypeDefinition)nodeType;
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, booleanType.getQName());
-                result = new BooleanType(newSchemaPath, (Boolean)booleanType.getDefaultValue(), booleanType.getUnits());
-            } else if(nodeType instanceof DecimalTypeDefinition) {
-                DecimalTypeDefinition decimalType = (DecimalTypeDefinition)nodeType;
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, decimalType.getQName());
-                BigDecimal defaultValue = (BigDecimal)decimalType.getDefaultValue();
-                result = new Decimal64(newSchemaPath, decimalType.getUnits(), defaultValue, decimalType.getRangeStatements(), decimalType.getFractionDigits());
-            } else if(nodeType instanceof EmptyTypeDefinition) {
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, nodeType.getQName());
+        if (nodeType != null) {
+            if (nodeType instanceof BinaryTypeDefinition) {
+                BinaryTypeDefinition binType = (BinaryTypeDefinition) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, binType.getQName());
+                List<Byte> bytes = (List<Byte>) binType.getDefaultValue();
+                result = new BinaryType(newSchemaPath, bytes);
+            } else if (nodeType instanceof BitsTypeDefinition) {
+                BitsTypeDefinition bitsType = (BitsTypeDefinition) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, nodeType.getQName());
+                result = new BitsType(newSchemaPath, bitsType.getBits());
+            } else if (nodeType instanceof BooleanTypeDefinition) {
+                BooleanTypeDefinition booleanType = (BooleanTypeDefinition) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, booleanType.getQName());
+                result = new BooleanType(newSchemaPath);
+            } else if (nodeType instanceof DecimalTypeDefinition) {
+                DecimalTypeDefinition decimalType = (DecimalTypeDefinition) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, decimalType.getQName());
+                result = new Decimal64(newSchemaPath,
+                        decimalType.getFractionDigits());
+            } else if (nodeType instanceof EmptyTypeDefinition) {
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, nodeType.getQName());
                 result = new EmptyType(newSchemaPath);
-            } else if(nodeType instanceof EnumTypeDefinition) {
-                EnumTypeDefinition enumType = (EnumTypeDefinition)nodeType;
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, enumType.getQName());
-                result = new EnumerationType(newSchemaPath, (EnumPair)enumType.getDefaultValue(), enumType.getValues(), enumType.getUnits());
-            } else if(nodeType instanceof IdentityrefTypeDefinition) {
-                IdentityrefTypeDefinition idrefType = (IdentityrefTypeDefinition)nodeType;
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, idrefType.getQName());
-                result = new IdentityrefType(idrefType.getIdentity(), newSchemaPath);
-            } else if(nodeType instanceof InstanceIdentifierTypeDefinition) {
-                InstanceIdentifierTypeDefinition instIdType = (InstanceIdentifierTypeDefinition)nodeType;
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, instIdType.getQName());
-                return new InstanceIdentifier(newSchemaPath, instIdType.getPathStatement(), instIdType.requireInstance());
-            } else if(nodeType instanceof StringTypeDefinition) {
-                result = copyStringType(parentSchemaPath, nodeQName, (StringTypeDefinition)nodeType);
-            } else if(nodeType instanceof IntegerTypeDefinition) {
-                result = copyIntType(parentSchemaPath, nodeQName, (IntegerTypeDefinition)nodeType);
-            } else if(nodeType instanceof UnsignedIntegerTypeDefinition) {
-                result = copyUIntType(parentSchemaPath, nodeQName, (UnsignedIntegerTypeDefinition)nodeType);
-            } else if(nodeType instanceof LeafrefTypeDefinition) {
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, nodeType.getQName());
-                result = new Leafref(newSchemaPath, ((LeafrefTypeDefinition)nodeType).getPathStatement());
-            } else if(nodeType instanceof UnionTypeDefinition) {
-                UnionTypeDefinition unionType = (UnionTypeDefinition)nodeType;
-                newSchemaPath = createNewSchemaPath(parentSchemaPath, nodeQName, unionType.getQName());
+            } else if (nodeType instanceof EnumTypeDefinition) {
+                EnumTypeDefinition enumType = (EnumTypeDefinition) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, enumType.getQName());
+                result = new EnumerationType(newSchemaPath,
+                        (EnumPair) enumType.getDefaultValue(),
+                        enumType.getValues());
+            } else if (nodeType instanceof IdentityrefTypeDefinition) {
+                IdentityrefTypeDefinition idrefType = (IdentityrefTypeDefinition) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, idrefType.getQName());
+                result = new IdentityrefType(idrefType.getIdentity(),
+                        newSchemaPath);
+            } else if (nodeType instanceof InstanceIdentifierTypeDefinition) {
+                InstanceIdentifierTypeDefinition instIdType = (InstanceIdentifierTypeDefinition) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, instIdType.getQName());
+                return new InstanceIdentifier(newSchemaPath,
+                        instIdType.getPathStatement(),
+                        instIdType.requireInstance());
+            } else if (nodeType instanceof StringTypeDefinition) {
+                result = createNewStringType(parentSchemaPath, nodeQName,
+                        (StringTypeDefinition) nodeType);
+            } else if (nodeType instanceof IntegerTypeDefinition) {
+                result = createNewIntType(parentSchemaPath, nodeQName,
+                        (IntegerTypeDefinition) nodeType);
+            } else if (nodeType instanceof UnsignedIntegerTypeDefinition) {
+                result = createNewUintType(parentSchemaPath, nodeQName,
+                        (UnsignedIntegerTypeDefinition) nodeType);
+            } else if (nodeType instanceof LeafrefTypeDefinition) {
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, nodeType.getQName());
+                result = new Leafref(newSchemaPath,
+                        ((LeafrefTypeDefinition) nodeType).getPathStatement());
+            } else if (nodeType instanceof UnionTypeDefinition) {
+                UnionTypeDefinition unionType = (UnionTypeDefinition) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, unionType.getQName());
                 return new UnionType(newSchemaPath, unionType.getTypes());
+            } else if (nodeType instanceof ExtendedType) {
+                ExtendedType extType = (ExtendedType) nodeType;
+                newSchemaPath = createNewSchemaPath(parentSchemaPath,
+                        nodeQName, extType.getQName());
+                result = createNewExtendedType(newSchemaPath, extType);
             }
         }
         return result;
     }
 
-    private static TypeDefinition<?> copyStringType(SchemaPath schemaPath, QName nodeQName, StringTypeDefinition nodeType) {
+    private static TypeDefinition<?> createNewExtendedType(
+            SchemaPath newSchemaPath, ExtendedType oldExtendedType) {
+        QName qname = oldExtendedType.getQName();
+        TypeDefinition<?> baseType = oldExtendedType.getBaseType();
+        String desc = oldExtendedType.getDescription();
+        String ref = oldExtendedType.getReference();
+        ExtendedType.Builder builder = new ExtendedType.Builder(qname,
+                baseType, desc, ref, newSchemaPath);
+        builder.status(oldExtendedType.getStatus());
+        builder.lengths(oldExtendedType.getLengths());
+        builder.patterns(oldExtendedType.getPatterns());
+        builder.ranges(oldExtendedType.getRanges());
+        builder.fractionDigits(oldExtendedType.getFractionDigits());
+        builder.unknownSchemaNodes(oldExtendedType.getUnknownSchemaNodes());
+        return builder.build();
+    }
+
+    private static TypeDefinition<?> createNewStringType(SchemaPath schemaPath,
+            QName nodeQName, StringTypeDefinition nodeType) {
         List<QName> path = schemaPath.getPath();
         List<QName> newPath = new ArrayList<QName>(path);
         newPath.add(nodeQName);
         newPath.add(nodeType.getQName());
-        SchemaPath newSchemaPath = new SchemaPath(newPath, schemaPath.isAbsolute());
-
-        String newDefault = nodeType.getDefaultValue().toString();
-        String newUnits = nodeType.getUnits();
-        List<LengthConstraint> lengths = nodeType.getLengthStatements();
-        List<PatternConstraint> patterns = nodeType.getPatterns();
+        SchemaPath newSchemaPath = new SchemaPath(newPath,
+                schemaPath.isAbsolute());
 
-        return new StringType(newSchemaPath, newDefault, lengths, patterns, newUnits);
+        return new StringType(newSchemaPath);
     }
 
-    private static TypeDefinition<?> copyIntType(SchemaPath schemaPath, QName nodeQName, IntegerTypeDefinition type) {
+    private static TypeDefinition<?> createNewIntType(SchemaPath schemaPath,
+            QName nodeQName, IntegerTypeDefinition type) {
         QName typeQName = type.getQName();
-        SchemaPath newSchemaPath = createNewSchemaPath(schemaPath, nodeQName, typeQName);
-
+        SchemaPath newSchemaPath = createNewSchemaPath(schemaPath, nodeQName,
+                typeQName);
         String localName = typeQName.getLocalName();
-        List<RangeConstraint> ranges = type.getRangeStatements();
-        String units = type.getUnits();
-
-        if("int8".equals(localName)) {
-            Byte defaultValue = (Byte)type.getDefaultValue();
-            return new Int8(newSchemaPath, ranges, units, defaultValue);
-        } else if("int16".equals(localName)) {
-            Short defaultValue = (Short)type.getDefaultValue();
-            return new Int16(newSchemaPath, ranges, units, defaultValue);
-        } else if("int32".equals(localName)) {
-            Integer defaultValue = (Integer)type.getDefaultValue();
-            return new Int32(newSchemaPath, ranges, units, defaultValue);
-        } else if("int64".equals(localName)) {
-            Long defaultValue = (Long)type.getDefaultValue();
-            return new Int64(newSchemaPath, ranges, units, defaultValue);
+
+        if ("int8".equals(localName)) {
+            return new Int8(newSchemaPath);
+        } else if ("int16".equals(localName)) {
+            return new Int16(newSchemaPath);
+        } else if ("int32".equals(localName)) {
+            return new Int32(newSchemaPath);
+        } else if ("int64".equals(localName)) {
+            return new Int64(newSchemaPath);
         } else {
             return null;
         }
     }
 
-    private static TypeDefinition<?> copyUIntType(SchemaPath schemaPath, QName nodeQName, UnsignedIntegerTypeDefinition type) {
+    private static TypeDefinition<?> createNewUintType(SchemaPath schemaPath,
+            QName nodeQName, UnsignedIntegerTypeDefinition type) {
         QName typeQName = type.getQName();
-        SchemaPath newSchemaPath = createNewSchemaPath(schemaPath, nodeQName, typeQName);
-
+        SchemaPath newSchemaPath = createNewSchemaPath(schemaPath, nodeQName,
+                typeQName);
         String localName = typeQName.getLocalName();
-        List<RangeConstraint> ranges = type.getRangeStatements();
-        String units = type.getUnits();
-
-        if("uint8".equals(localName)) {
-            Byte defaultValue = (Byte)type.getDefaultValue();
-            return new Int8(newSchemaPath, ranges, units, defaultValue);
-        } else if("uint16".equals(localName)) {
-            Short defaultValue = (Short)type.getDefaultValue();
-            return new Int16(newSchemaPath, ranges, units, defaultValue);
-        } else if("uint32".equals(localName)) {
-            Integer defaultValue = (Integer)type.getDefaultValue();
-            return new Int32(newSchemaPath, ranges, units, defaultValue);
-        } else if("uint64".equals(localName)) {
-            Long defaultValue = (Long)type.getDefaultValue();
-            return new Int64(newSchemaPath, ranges, units, defaultValue);
+
+        if ("uint8".equals(localName)) {
+            return new Int8(newSchemaPath);
+        } else if ("uint16".equals(localName)) {
+            return new Int16(newSchemaPath);
+        } else if ("uint32".equals(localName)) {
+            return new Int32(newSchemaPath);
+        } else if ("uint64".equals(localName)) {
+            return new Int64(newSchemaPath);
         } else {
             return null;
         }
     }
 
-    private static SchemaPath createNewSchemaPath(SchemaPath schemaPath, QName currentQName, QName qname) {
+    private static SchemaPath createNewSchemaPath(SchemaPath schemaPath,
+            QName currentQName, QName qname) {
         List<QName> newPath = new ArrayList<QName>(schemaPath.getPath());
         newPath.add(currentQName);
         newPath.add(qname);
@@ -426,6 +557,92 @@ public final class ParserUtils {
         }
     }
 
+    public static void checkRefine(SchemaNodeBuilder node, RefineHolder refine) {
+        String name = node.getQName().getLocalName();
+        int line = refine.getLine();
+
+        String defaultStr = refine.getDefaultStr();
+        Boolean mandatory = refine.isMandatory();
+        Boolean presence = refine.isPresence();
+        MustDefinition must = refine.getMust();
+        Integer min = refine.getMinElements();
+        Integer max = refine.getMaxElements();
+
+        if (node instanceof AnyXmlBuilder) {
+            checkRefineDefault(node, defaultStr, line);
+            checkRefinePresence(node, presence, line);
+            checkRefineMinMax(name, line, min, max);
+        } else if (node instanceof ChoiceBuilder) {
+            checkRefinePresence(node, presence, line);
+            checkRefineMust(node, must, line);
+            checkRefineMinMax(name, line, min, max);
+        } else if (node instanceof ContainerSchemaNodeBuilder) {
+            checkRefineDefault(node, defaultStr, line);
+            checkRefineMandatory(node, mandatory, line);
+            checkRefineMust(node, must, line);
+            checkRefineMinMax(name, line, min, max);
+        } else if (node instanceof LeafSchemaNodeBuilder) {
+            checkRefinePresence(node, presence, line);
+            checkRefineMinMax(name, line, min, max);
+        } else if (node instanceof LeafListSchemaNodeBuilder
+                || node instanceof ListSchemaNodeBuilder) {
+            checkRefineDefault(node, defaultStr, line);
+            checkRefinePresence(node, presence, line);
+            checkRefineMandatory(node, mandatory, line);
+        } else if (node instanceof GroupingBuilder
+                || node instanceof TypeDefinitionBuilder
+                || node instanceof UsesNodeBuilder) {
+            checkRefineDefault(node, defaultStr, line);
+            checkRefinePresence(node, presence, line);
+            checkRefineMandatory(node, mandatory, line);
+            checkRefineMust(node, must, line);
+            checkRefineMinMax(name, line, min, max);
+        }
+    }
+
+    private static void checkRefineDefault(SchemaNodeBuilder node,
+            String defaultStr, int line) {
+        if (defaultStr != null) {
+            throw new YangParseException(line, "Can not refine 'default' for '"
+                    + node.getQName().getLocalName() + "'.");
+        }
+    }
+
+    private static void checkRefineMandatory(SchemaNodeBuilder node,
+            Boolean mandatory, int line) {
+        if (mandatory != null) {
+            throw new YangParseException(line,
+                    "Can not refine 'mandatory' for '"
+                            + node.getQName().getLocalName() + "'.");
+        }
+    }
+
+    private static void checkRefinePresence(SchemaNodeBuilder node,
+            Boolean presence, int line) {
+        if (presence != null) {
+            throw new YangParseException(line,
+                    "Can not refine 'presence' for '"
+                            + node.getQName().getLocalName() + "'.");
+        }
+    }
+
+    private static void checkRefineMust(SchemaNodeBuilder node,
+            MustDefinition must, int line) {
+        if (must != null) {
+            throw new YangParseException(line, "Can not refine 'must' for '"
+                    + node.getQName().getLocalName() + "'.");
+        }
+    }
+
+    private static void checkRefineMinMax(String refineTargetName,
+            int refineLine, Integer min, Integer max) {
+        if (min != null || max != null) {
+            throw new YangParseException(refineLine,
+                    "Can not refine 'min-elements' or 'max-elements' for '"
+                            + refineTargetName + "'.");
+        }
+    }
+
     /**
      * Perform refine operation of following parameters:
      * <ul>
@@ -433,9 +650,9 @@ public final class ParserUtils {
      * <li>reference</li>
      * <li>config</li>
      * </ul>
-     *
+     * 
      * These parameters may be refined for any node.
-     *
+     * 
      * @param node
      *            node to refine
      * @param refine
@@ -490,7 +707,7 @@ public final class ParserUtils {
         final TypeDefinition<?> type = old.getType();
 
         if (type == null) {
-            copy.setType(old.getTypedef());
+            copy.setTypedef(old.getTypedef());
         } else {
             copy.setType(type);
         }
@@ -524,7 +741,7 @@ public final class ParserUtils {
         for (GroupingBuilder grouping : old.getGroupings()) {
             copy.addGrouping(grouping);
         }
-        for (TypeDefinitionBuilder typedef : old.getTypedefs()) {
+        for (TypeDefinitionBuilder typedef : old.getTypeDefinitions()) {
             copy.addTypedef(typedef);
         }
         for (AugmentationSchemaBuilder augment : old.getAugmentations()) {
@@ -557,7 +774,7 @@ public final class ParserUtils {
         for (GroupingBuilder grouping : old.getGroupings()) {
             copy.addGrouping(grouping);
         }
-        for (TypeDefinitionBuilder typedef : old.getTypedefs()) {
+        for (TypeDefinitionBuilder typedef : old.getTypeDefinitions()) {
             copy.addTypedef(typedef);
         }
         for (AugmentationSchemaBuilder augment : old.getAugmentations()) {
@@ -583,7 +800,7 @@ public final class ParserUtils {
         copyConstraints(old, copy);
         final TypeDefinition<?> type = old.getType();
         if (type == null) {
-            copy.setType(old.getTypedef());
+            copy.setTypedef(old.getTypedef());
         } else {
             copy.setType(type);
         }
@@ -610,12 +827,6 @@ public final class ParserUtils {
         for (UnknownSchemaNodeBuilder unknown : old.getUnknownNodes()) {
             copy.addUnknownSchemaNode(unknown);
         }
-        for (TypeDefinitionBuilder typedef : old.getTypedefs()) {
-            copy.addTypedef(typedef);
-        }
-        for (UsesNodeBuilder use : old.getUsesNodes()) {
-            copy.addUsesNode(use);
-        }
         copy.setDefaultCase(old.getDefaultCase());
         copy.setDescription(old.getDescription());
         copy.setReference(old.getReference());
@@ -650,7 +861,7 @@ public final class ParserUtils {
         for (GroupingBuilder grouping : old.getGroupings()) {
             copy.addGrouping(grouping);
         }
-        for (TypeDefinitionBuilder typedef : old.getTypedefs()) {
+        for (TypeDefinitionBuilder typedef : old.getTypeDefinitions()) {
             copy.addTypedef(typedef);
         }
         for (UsesNodeBuilder use : old.getUses()) {
@@ -665,9 +876,10 @@ public final class ParserUtils {
         return copy;
     }
 
-    public static TypedefBuilder copyTypedefBuilder(TypedefBuilder old) {
-        final TypedefBuilder copy = new TypedefBuilder(old.getQName(),
-                old.getLine());
+    public static TypeDefinitionBuilderImpl copyTypedefBuilder(
+            TypeDefinitionBuilderImpl old) {
+        final TypeDefinitionBuilderImpl copy = new TypeDefinitionBuilderImpl(
+                old.getQName(), old.getLine());
         copy.setPath(old.getPath());
         copy.setDefaultValue(old.getDefaultValue());
         copy.setUnits(old.getUnits());
@@ -681,8 +893,8 @@ public final class ParserUtils {
         copy.setFractionDigits(old.getFractionDigits());
 
         TypeDefinition<?> type = old.getType();
-        if(type == null) {
-            copy.setType(old.getTypedef());
+        if (type == null) {
+            copy.setTypedef(old.getTypedef());
         } else {
             copy.setType(old.getType());
         }
@@ -695,7 +907,7 @@ public final class ParserUtils {
 
     public static UsesNodeBuilder copyUsesNodeBuilder(UsesNodeBuilder old) {
         final UsesNodeBuilder copy = new UsesNodeBuilderImpl(
-                old.getGroupingPathString(), old.getLine());
+                old.getGroupingName(), old.getLine());
         for (AugmentationSchemaBuilder augment : old.getAugmentations()) {
             copy.addAugment(augment);
         }