Fixed YANG union type resolving in yang model parser.
[controller.git] / opendaylight / sal / yang-prototype / code-generator / yang-model-parser-impl / src / main / java / org / opendaylight / controller / yang / model / parser / builder / impl / ModuleBuilder.java
index 5f89e864559fd9f8d74dadc691150b367b16168f..90a4547f38f90054c139eaa2f8f753e20c28883e 100644 (file)
-/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.yang.model.parser.builder.impl;
-
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import org.opendaylight.controller.yang.common.QName;
-import org.opendaylight.controller.yang.model.api.AugmentationSchema;
-import org.opendaylight.controller.yang.model.api.DataSchemaNode;
-import org.opendaylight.controller.yang.model.api.Deviation;
-import org.opendaylight.controller.yang.model.api.ExtensionDefinition;
-import org.opendaylight.controller.yang.model.api.FeatureDefinition;
-import org.opendaylight.controller.yang.model.api.GroupingDefinition;
-import org.opendaylight.controller.yang.model.api.Module;
-import org.opendaylight.controller.yang.model.api.ModuleImport;
-import org.opendaylight.controller.yang.model.api.NotificationDefinition;
-import org.opendaylight.controller.yang.model.api.RpcDefinition;
-import org.opendaylight.controller.yang.model.api.TypeDefinition;
-import org.opendaylight.controller.yang.model.api.UsesNode;
-import org.opendaylight.controller.yang.model.parser.builder.api.AugmentationSchemaBuilder;
-import org.opendaylight.controller.yang.model.parser.builder.api.Builder;
-import org.opendaylight.controller.yang.model.parser.builder.api.ChildNodeBuilder;
-import org.opendaylight.controller.yang.model.parser.builder.api.DataSchemaNodeBuilder;
-import org.opendaylight.controller.yang.model.parser.builder.api.GroupingBuilder;
-import org.opendaylight.controller.yang.model.parser.builder.api.TypeAwareBuilder;
-import org.opendaylight.controller.yang.model.parser.builder.api.TypeDefinitionAwareBuilder;
-import org.opendaylight.controller.yang.model.parser.builder.api.TypeDefinitionBuilder;
-import org.opendaylight.controller.yang.model.parser.builder.api.UsesNodeBuilder;
-
-/**
- * This builder builds Module object. If this module is dependent on external
- * module/modules, these dependencies must be resolved before module is built,
- * otherwise result may not be valid.
- */
-public class ModuleBuilder implements Builder {
-
-    private final ModuleImpl instance;
-    private final String name;
-    private String prefix;
-    private Date revision;
-
-    private final Set<ModuleImport> imports = new HashSet<ModuleImport>();
-    private Set<AugmentationSchema> augmentations;
-
-    /**
-     * All nodes, that can contain other nodes
-     */
-    private final Map<List<String>, Builder> moduleNodes = new HashMap<List<String>, Builder>();
-
-    /**
-     * Holds all child (DataSchemaNode) nodes: anyxml, choice, case, container,
-     * list, leaf, leaf-list.
-     */
-    private final Map<List<String>, DataSchemaNodeBuilder> addedChilds = new HashMap<List<String>, DataSchemaNodeBuilder>();
-
-    private final Map<List<String>, GroupingBuilder> addedGroupings = new HashMap<List<String>, GroupingBuilder>();
-    private final Set<AugmentationSchemaBuilder> addedAugments = new HashSet<AugmentationSchemaBuilder>();
-    private final Map<List<String>, UsesNodeBuilder> addedUsesNodes = new HashMap<List<String>, UsesNodeBuilder>();
-    private final Map<List<String>, RpcDefinitionBuilder> addedRpcs = new HashMap<List<String>, RpcDefinitionBuilder>();
-    private final Set<NotificationBuilder> addedNotifications = new HashSet<NotificationBuilder>();
-    private final Map<List<String>, FeatureBuilder> addedFeatures = new HashMap<List<String>, FeatureBuilder>();
-    private final Map<String, DeviationBuilder> addedDeviations = new HashMap<String, DeviationBuilder>();
-    private final Map<List<String>, TypeDefinitionBuilder> addedTypedefs = new HashMap<List<String>, TypeDefinitionBuilder>();
-    private final List<ExtensionBuilder> addedExtensions = new ArrayList<ExtensionBuilder>();
-
-    private final Map<List<String>, TypeAwareBuilder> dirtyNodes = new HashMap<List<String>, TypeAwareBuilder>();
-
-    public ModuleBuilder(String name) {
-        this.name = name;
-        instance = new ModuleImpl(name);
-    }
-
-
-
-    /**
-     * Build new Module object based on this builder.
-     */
-    @Override
-    public Module build() {
-        instance.setImports(imports);
-
-        // TYPEDEFS
-        final Set<TypeDefinition<?>> typedefs = buildModuleTypedefs(addedTypedefs);
-        instance.setTypeDefinitions(typedefs);
-
-        // CHILD NODES
-        final Map<QName, DataSchemaNode> childNodes = buildModuleChildNodes(addedChilds);
-        instance.setChildNodes(childNodes);
-
-        // GROUPINGS
-        final Set<GroupingDefinition> groupings = buildModuleGroupings(addedGroupings);
-        instance.setGroupings(groupings);
-
-        // USES
-        final Set<UsesNode> usesNodeDefinitions = buildUsesNodes(addedUsesNodes);
-        instance.setUses(usesNodeDefinitions);
-
-        // FEATURES
-        final Set<FeatureDefinition> features = buildModuleFeatures(addedFeatures);
-        instance.setFeatures(features);
-
-        // NOTIFICATIONS
-        final Set<NotificationDefinition> notifications = new HashSet<NotificationDefinition>();
-        for (NotificationBuilder entry : addedNotifications) {
-            notifications.add((NotificationDefinition) entry.build());
-        }
-        instance.setNotifications(notifications);
-
-        // AUGMENTATIONS
-        instance.setAugmentations(augmentations);
-
-        // RPCs
-        final Set<RpcDefinition> rpcs = buildModuleRpcs(addedRpcs);
-        instance.setRpcs(rpcs);
-
-        // DEVIATIONS
-        final Set<Deviation> deviations = new HashSet<Deviation>();
-        for (Map.Entry<String, DeviationBuilder> entry : addedDeviations
-                .entrySet()) {
-            deviations.add(entry.getValue().build());
-        }
-        instance.setDeviations(deviations);
-
-        // EXTENSIONS
-        final List<ExtensionDefinition> extensions = new ArrayList<ExtensionDefinition>();
-        for(ExtensionBuilder b : addedExtensions) {
-            extensions.add(b.build());
-        }
-        instance.setExtensionSchemaNodes(extensions);
-
-        return instance;
-    }
-
-    public Builder getNode(List<String> path) {
-        return moduleNodes.get(path);
-    }
-
-    public Map<List<String>, TypeAwareBuilder> getDirtyNodes() {
-        return dirtyNodes;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public String getPrefix() {
-        return prefix;
-    }
-
-    public Date getRevision() {
-        return revision;
-    }
-
-    public Set<AugmentationSchemaBuilder> getAddedAugments() {
-        return addedAugments;
-    }
-
-    public void addDirtyNode(List<String> path) {
-        List<String> dirtyNodePath = new ArrayList<String>(path);
-        TypeAwareBuilder nodeBuilder = (TypeAwareBuilder) moduleNodes
-                .get(dirtyNodePath);
-        dirtyNodes.put(dirtyNodePath, nodeBuilder);
-    }
-
-    public void setNamespace(URI namespace) {
-        instance.setNamespace(namespace);
-    }
-
-    public void setRevision(Date revision) {
-        this.revision = revision;
-        instance.setRevision(revision);
-    }
-
-    public void setPrefix(String prefix) {
-        this.prefix = prefix;
-        instance.setPrefix(prefix);
-    }
-
-    public void setYangVersion(String yangVersion) {
-        instance.setYangVersion(yangVersion);
-    }
-
-    public void setDescription(String description) {
-        instance.setDescription(description);
-    }
-
-    public void setReference(String reference) {
-        instance.setReference(reference);
-    }
-
-    public void setOrganization(String organization) {
-        instance.setOrganization(organization);
-    }
-
-    public void setContact(String contact) {
-        instance.setContact(contact);
-    }
-
-    public void setAugmentations(Set<AugmentationSchema> augmentations) {
-        this.augmentations = augmentations;
-    }
-
-    public boolean addModuleImport(final String moduleName,
-            final Date revision, final String prefix) {
-        ModuleImport moduleImport = createModuleImport(moduleName, revision,
-                prefix);
-        return imports.add(moduleImport);
-    }
-
-    public Set<ModuleImport> getModuleImports() {
-        return imports;
-    }
-
-    public ExtensionBuilder addExtension(QName qname) {
-        ExtensionBuilder builder = new ExtensionBuilder(qname);
-        return builder;
-    }
-
-    public ContainerSchemaNodeBuilder addContainerNode(QName containerName,
-            List<String> parentPath) {
-        List<String> pathToNode = new ArrayList<String>(parentPath);
-
-        ContainerSchemaNodeBuilder containerBuilder = new ContainerSchemaNodeBuilder(
-                containerName);
-
-        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes
-                .get(pathToNode);
-        if (parent != null) {
-            if(parent instanceof AugmentationSchemaBuilder) {
-                containerBuilder.setAugmenting(true);
-            }
-            parent.addChildNode(containerBuilder);
-        }
-
-        pathToNode.add(containerName.getLocalName());
-        moduleNodes.put(pathToNode, containerBuilder);
-        addedChilds.put(pathToNode, containerBuilder);
-
-        return containerBuilder;
-    }
-
-    public ListSchemaNodeBuilder addListNode(QName listName,
-            List<String> parentPath) {
-        List<String> pathToNode = new ArrayList<String>(parentPath);
-
-        ListSchemaNodeBuilder listBuilder = new ListSchemaNodeBuilder(listName);
-
-        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes
-                .get(pathToNode);
-        if (parent != null) {
-            if(parent instanceof AugmentationSchemaBuilder) {
-                listBuilder.setAugmenting(true);
-            }
-            parent.addChildNode(listBuilder);
-        }
-
-        pathToNode.add(listName.getLocalName());
-        moduleNodes.put(pathToNode, listBuilder);
-        addedChilds.put(pathToNode, listBuilder);
-
-        return listBuilder;
-    }
-
-    public LeafSchemaNodeBuilder addLeafNode(QName leafName,
-            List<String> parentPath) {
-        List<String> pathToNode = new ArrayList<String>(parentPath);
-
-        LeafSchemaNodeBuilder leafBuilder = new LeafSchemaNodeBuilder(leafName);
-
-        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes.get(pathToNode);
-        if (parent != null) {
-            if(parent instanceof AugmentationSchemaBuilder) {
-                leafBuilder.setAugmenting(true);
-            }
-            parent.addChildNode(leafBuilder);
-        }
-
-        pathToNode.add(leafName.getLocalName());
-        addedChilds.put(pathToNode, leafBuilder);
-        moduleNodes.put(pathToNode, leafBuilder);
-
-        return leafBuilder;
-    }
-
-    public LeafListSchemaNodeBuilder addLeafListNode(QName leafListName,
-            List<String> parentPath) {
-        List<String> pathToNode = new ArrayList<String>(parentPath);
-
-        LeafListSchemaNodeBuilder leafListBuilder = new LeafListSchemaNodeBuilder(
-                leafListName);
-        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes.get(pathToNode);
-        if (parent != null) {
-            if(parent instanceof AugmentationSchemaBuilder) {
-                leafListBuilder.setAugmenting(true);
-            }
-            parent.addChildNode(leafListBuilder);
-        }
-
-        pathToNode.add(leafListName.getLocalName());
-        addedChilds.put(pathToNode, leafListBuilder);
-        moduleNodes.put(pathToNode, leafListBuilder);
-
-        return leafListBuilder;
-    }
-
-    public GroupingBuilder addGrouping(QName qname, List<String> parentPath) {
-        List<String> pathToGroup = new ArrayList<String>(parentPath);
-
-        GroupingBuilder builder = new GroupingBuilderImpl(qname);
-        ChildNodeBuilder parentNodeBuilder = (ChildNodeBuilder) moduleNodes.get(pathToGroup);
-        if (parentNodeBuilder != null) {
-            parentNodeBuilder.addGrouping(builder);
-        }
-
-        pathToGroup.add(qname.getLocalName());
-        moduleNodes.put(pathToGroup, builder);
-        addedGroupings.put(pathToGroup, builder);
-
-        return builder;
-    }
-
-    public AugmentationSchemaBuilder addAugment(String name,
-            List<String> parentPath) {
-        List<String> pathToAugment = new ArrayList<String>(parentPath);
-
-        AugmentationSchemaBuilder builder = new AugmentationSchemaBuilderImpl(name);
-
-        // augment can only be in 'module' or 'uses' statement
-        UsesNodeBuilder parent = addedUsesNodes.get(pathToAugment);
-        if (parent != null) {
-            parent.addAugment(builder);
-        }
-
-        pathToAugment.add(name);
-        moduleNodes.put(pathToAugment, builder);
-        addedAugments.add(builder);
-
-        return builder;
-    }
-
-    public UsesNodeBuilder addUsesNode(String groupingPathStr,
-            List<String> parentPath) {
-        List<String> pathToUses = new ArrayList<String>(parentPath);
-
-        UsesNodeBuilder usesBuilder = new UsesNodeBuilderImpl(groupingPathStr);
-
-        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes.get(pathToUses);
-        if (parent != null) {
-            if(parent instanceof AugmentationSchemaBuilder) {
-                usesBuilder.setAugmenting(true);
-            }
-            parent.addUsesNode(usesBuilder);
-        }
-
-        pathToUses.add(groupingPathStr);
-        addedUsesNodes.put(pathToUses, usesBuilder);
-
-        return usesBuilder;
-    }
-
-    public RpcDefinitionBuilder addRpc(QName qname, List<String> parentPath) {
-        List<String> pathToRpc = new ArrayList<String>(parentPath);
-
-        RpcDefinitionBuilder rpcBuilder = new RpcDefinitionBuilder(qname);
-
-        pathToRpc.add(qname.getLocalName());
-        addedRpcs.put(pathToRpc, rpcBuilder);
-
-        QName inputQName = new QName(qname.getNamespace(), qname.getRevision(),
-                qname.getPrefix(), "input");
-        ContainerSchemaNodeBuilder inputBuilder = new ContainerSchemaNodeBuilder(inputQName);
-        List<String> pathToInput = new ArrayList<String>(pathToRpc);
-        pathToInput.add("input");
-        moduleNodes.put(pathToInput, inputBuilder);
-        rpcBuilder.setInput(inputBuilder);
-
-        QName outputQName = new QName(qname.getNamespace(),
-                qname.getRevision(), qname.getPrefix(), "output");
-        ContainerSchemaNodeBuilder outputBuilder = new ContainerSchemaNodeBuilder(outputQName);
-        List<String> pathToOutput = new ArrayList<String>(pathToRpc);
-        pathToOutput.add("output");
-        moduleNodes.put(pathToOutput, outputBuilder);
-        rpcBuilder.setOutput(outputBuilder);
-
-        return rpcBuilder;
-    }
-
-    public NotificationBuilder addNotification(QName notificationName,
-            List<String> parentPath) {
-        List<String> pathToNotification = new ArrayList<String>(parentPath);
-
-        NotificationBuilder notificationBuilder = new NotificationBuilder(
-                notificationName);
-
-        pathToNotification.add(notificationName.getLocalName());
-        moduleNodes.put(pathToNotification, notificationBuilder);
-        addedNotifications.add(notificationBuilder);
-
-        return notificationBuilder;
-    }
-
-    public FeatureBuilder addFeature(QName featureName, List<String> parentPath) {
-        List<String> pathToFeature = new ArrayList<String>(parentPath);
-        pathToFeature.add(featureName.getLocalName());
-
-        FeatureBuilder builder = new FeatureBuilder(featureName);
-        addedFeatures.put(pathToFeature, builder);
-        return builder;
-    }
-
-    public TypedefBuilder addTypedef(QName typeDefName, List<String> parentPath) {
-        List<String> pathToType = new ArrayList<String>(parentPath);
-        TypedefBuilder builder = new TypedefBuilder(typeDefName);
-        TypeDefinitionAwareBuilder parent = (TypeDefinitionAwareBuilder) moduleNodes.get(pathToType);
-        if (parent != null) {
-            parent.addTypedef(builder);
-        }
-        pathToType.add(typeDefName.getLocalName());
-        addedTypedefs.put(pathToType, builder);
-        moduleNodes.put(pathToType, builder);
-        return builder;
-    }
-
-    public Set<TypeDefinitionBuilder> getModuleTypedefs() {
-        Set<TypeDefinitionBuilder> typedefs = new HashSet<TypeDefinitionBuilder>();
-        for (Map.Entry<List<String>, TypeDefinitionBuilder> entry : addedTypedefs.entrySet()) {
-            if (entry.getKey().size() == 2) {
-                typedefs.add(entry.getValue());
-            }
-        }
-        return typedefs;
-    }
-
-    public void setType(TypeDefinition<?> type, List<String> parentPath) {
-        TypeAwareBuilder parent = (TypeAwareBuilder) moduleNodes.get(parentPath);
-        parent.setType(type);
-    }
-
-    public DeviationBuilder addDeviation(String targetPath) {
-        DeviationBuilder builder = new DeviationBuilder(targetPath);
-        addedDeviations.put(targetPath, builder);
-        return builder;
-    }
-
-    public void addConfiguration(boolean configuration, List<String> parentPath) {
-        Builder builder = moduleNodes.get(parentPath);
-        if (builder instanceof DeviationBuilder) {
-            // skip
-            // TODO
-        } else {
-            DataSchemaNodeBuilder configBuilder = (DataSchemaNodeBuilder) moduleNodes.get(parentPath);
-            configBuilder.setConfiguration(configuration);
-        }
-    }
-
-    public UnknownSchemaNodeBuilder addUnknownSchemaNode(QName qname, List<String> parentPath) {
-        UnknownSchemaNodeBuilder builder = new UnknownSchemaNodeBuilder(qname);
-        return builder;
-    }
-
-
-    private class ModuleImpl implements Module {
-        private URI namespace;
-        private final String name;
-        private Date revision;
-        private String prefix;
-        private String yangVersion;
-        private String description;
-        private String reference;
-        private String organization;
-        private String contact;
-        private Set<ModuleImport> imports = Collections.emptySet();
-        private Set<FeatureDefinition> features = Collections.emptySet();
-        private Set<TypeDefinition<?>> typeDefinitions = Collections.emptySet();
-        private Set<NotificationDefinition> notifications = Collections.emptySet();
-        private Set<AugmentationSchema> augmentations = Collections.emptySet();
-        private Set<RpcDefinition> rpcs = Collections.emptySet();
-        private Set<Deviation> deviations = Collections.emptySet();
-        private Map<QName, DataSchemaNode> childNodes = Collections.emptyMap();
-        private Set<GroupingDefinition> groupings = Collections.emptySet();
-        private Set<UsesNode> uses = Collections.emptySet();
-        private List<ExtensionDefinition> extensionSchemaNodes = Collections.emptyList();
-
-        private ModuleImpl(String name) {
-            this.name = name;
-        }
-
-        @Override
-        public URI getNamespace() {
-            return namespace;
-        }
-
-        private void setNamespace(URI namespace) {
-            this.namespace = namespace;
-        }
-
-        @Override
-        public String getName() {
-            return name;
-        }
-
-        @Override
-        public Date getRevision() {
-            return revision;
-        }
-
-        private void setRevision(Date revision) {
-            this.revision = revision;
-        }
-
-        @Override
-        public String getPrefix() {
-            return prefix;
-        }
-
-        private void setPrefix(String prefix) {
-            this.prefix = prefix;
-        }
-
-        @Override
-        public String getYangVersion() {
-            return yangVersion;
-        }
-
-        private void setYangVersion(String yangVersion) {
-            this.yangVersion = yangVersion;
-        }
-
-        @Override
-        public String getDescription() {
-            return description;
-        }
-
-        private void setDescription(String description) {
-            this.description = description;
-        }
-
-        @Override
-        public String getReference() {
-            return reference;
-        }
-
-        private void setReference(String reference) {
-            this.reference = reference;
-        }
-
-        @Override
-        public String getOrganization() {
-            return organization;
-        }
-
-        private void setOrganization(String organization) {
-            this.organization = organization;
-        }
-
-        @Override
-        public String getContact() {
-            return contact;
-        }
-
-        private void setContact(String contact) {
-            this.contact = contact;
-        }
-
-        @Override
-        public Set<ModuleImport> getImports() {
-            return imports;
-        }
-
-        private void setImports(Set<ModuleImport> imports) {
-            this.imports = imports;
-        }
-
-        @Override
-        public Set<FeatureDefinition> getFeatures() {
-            return features;
-        }
-
-        private void setFeatures(Set<FeatureDefinition> features) {
-            this.features = features;
-        }
-
-        @Override
-        public Set<TypeDefinition<?>> getTypeDefinitions() {
-            return typeDefinitions;
-        }
-
-        private void setTypeDefinitions(Set<TypeDefinition<?>> typeDefinitions) {
-            this.typeDefinitions = typeDefinitions;
-        }
-
-        @Override
-        public Set<NotificationDefinition> getNotifications() {
-            return notifications;
-        }
-
-        private void setNotifications(Set<NotificationDefinition> notifications) {
-            this.notifications = notifications;
-        }
-
-        @Override
-        public Set<AugmentationSchema> getAugmentations() {
-            return augmentations;
-        }
-
-        private void setAugmentations(Set<AugmentationSchema> augmentations) {
-            this.augmentations = augmentations;
-        }
-
-        @Override
-        public Set<RpcDefinition> getRpcs() {
-            return rpcs;
-        }
-
-        private void setRpcs(Set<RpcDefinition> rpcs) {
-            this.rpcs = rpcs;
-        }
-
-        @Override
-        public Set<Deviation> getDeviations() {
-            return deviations;
-        }
-
-        private void setDeviations(Set<Deviation> deviations) {
-            this.deviations = deviations;
-        }
-
-        @Override
-        public Set<DataSchemaNode> getChildNodes() {
-            return new HashSet<DataSchemaNode>(childNodes.values());
-        }
-
-        private void setChildNodes(Map<QName, DataSchemaNode> childNodes) {
-            this.childNodes = childNodes;
-        }
-
-        @Override
-        public Set<GroupingDefinition> getGroupings() {
-            return groupings;
-        }
-
-        private void setGroupings(Set<GroupingDefinition> groupings) {
-            this.groupings = groupings;
-        }
-
-        @Override
-        public Set<UsesNode> getUses() {
-            return uses;
-        }
-
-        private void setUses(Set<UsesNode> uses) {
-            this.uses = uses;
-        }
-
-        @Override
-        public List<ExtensionDefinition> getExtensionSchemaNodes() {
-            return extensionSchemaNodes;
-        }
-
-        private void setExtensionSchemaNodes(List<ExtensionDefinition> extensionSchemaNodes) {
-            if(extensionSchemaNodes != null) {
-                this.extensionSchemaNodes = extensionSchemaNodes;
-            }
-        }
-
-        @Override
-        public DataSchemaNode getDataChildByName(QName name) {
-            return childNodes.get(name);
-        }
-
-        @Override
-        public DataSchemaNode getDataChildByName(String name) {
-            DataSchemaNode result = null;
-            for (Map.Entry<QName, DataSchemaNode> entry : childNodes.entrySet()) {
-                if (entry.getKey().getLocalName().equals(name)) {
-                    result = entry.getValue();
-                    break;
-                }
-            }
-            return result;
-        }
-
-        @Override
-        public int hashCode() {
-            final int prime = 31;
-            int result = 1;
-            result = prime * result + ((namespace == null) ? 0 : namespace.hashCode());
-            result = prime * result + ((name == null) ? 0 : name.hashCode());
-            result = prime * result + ((revision == null) ? 0 : revision.hashCode());
-            result = prime * result + ((prefix == null) ? 0 : prefix.hashCode());
-            result = prime * result + ((yangVersion == null) ? 0 : yangVersion.hashCode());
-            result = prime * result + ((description == null) ? 0 : description.hashCode());
-            result = prime * result + ((reference == null) ? 0 : reference.hashCode());
-
-            result = prime * result + ((organization == null) ? 0 : organization.hashCode());
-            result = prime * result + ((contact == null) ? 0 : contact.hashCode());
-            result = prime * result + ((imports == null) ? 0 : imports.hashCode());
-            result = prime * result + ((features == null) ? 0 : features.hashCode());
-            result = prime * result + ((typeDefinitions == null) ? 0 : typeDefinitions.hashCode());
-            result = prime * result + ((notifications == null) ? 0 : notifications.hashCode());
-            result = prime * result + ((augmentations == null) ? 0 : augmentations.hashCode());
-            result = prime * result + ((rpcs == null) ? 0 : rpcs.hashCode());
-            result = prime * result + ((deviations == null) ? 0 : deviations.hashCode());
-            result = prime * result + ((childNodes == null) ? 0 : childNodes.hashCode());
-            result = prime * result + ((groupings == null) ? 0 : groupings.hashCode());
-            result = prime * result + ((uses == null) ? 0 : uses.hashCode());
-            return result;
-        }
-
-        @Override
-        public boolean equals(Object obj) {
-            if (this == obj) {
-                return true;
-            }
-            if (obj == null) {
-                return false;
-            }
-            if (getClass() != obj.getClass()) {
-                return false;
-            }
-            ModuleImpl other = (ModuleImpl) obj;
-            if (namespace == null) {
-                if (other.namespace != null) {
-                    return false;
-                }
-            } else if (!namespace.equals(other.namespace)) {
-                return false;
-            }
-            if (name == null) {
-                if (other.name != null) {
-                    return false;
-                }
-            } else if (!name.equals(other.name)) {
-                return false;
-            }
-            if (revision == null) {
-                if (other.revision != null) {
-                    return false;
-                }
-            } else if (!revision.equals(other.revision)) {
-                return false;
-            }
-            if (prefix == null) {
-                if (other.prefix != null) {
-                    return false;
-                }
-            } else if (!prefix.equals(other.prefix)) {
-                return false;
-            }
-            if (yangVersion == null) {
-                if (other.yangVersion != null) {
-                    return false;
-                }
-            } else if (!yangVersion.equals(other.yangVersion)) {
-                return false;
-            }
-            if (description == null) {
-                if (other.description != null) {
-                    return false;
-                }
-            } else if (!description.equals(other.description)) {
-                return false;
-            }
-            if (reference == null) {
-                if (other.reference != null) {
-                    return false;
-                }
-            } else if (!reference.equals(other.reference)) {
-                return false;
-            }
-            if (organization == null) {
-                if (other.organization != null) {
-                    return false;
-                }
-            } else if (!organization.equals(other.organization)) {
-                return false;
-            }
-            if (contact == null) {
-                if (other.contact != null) {
-                    return false;
-                }
-            } else if (!contact.equals(other.contact)) {
-                return false;
-            }
-            if (imports == null) {
-                if (other.imports != null) {
-                    return false;
-                }
-            } else if (!imports.equals(other.imports)) {
-                return false;
-            }
-            if (features == null) {
-                if (other.features != null) {
-                    return false;
-                }
-            } else if (!features.equals(other.features)) {
-                return false;
-            }
-            if (typeDefinitions == null) {
-                if (other.typeDefinitions != null) {
-                    return false;
-                }
-            } else if (!typeDefinitions.equals(other.typeDefinitions)) {
-                return false;
-            }
-            if (notifications == null) {
-                if (other.notifications != null) {
-                    return false;
-                }
-            } else if (!notifications.equals(other.notifications)) {
-                return false;
-            }
-            if (augmentations == null) {
-                if (other.augmentations != null) {
-                    return false;
-                }
-            } else if (!augmentations.equals(other.augmentations)) {
-                return false;
-            }
-            if (rpcs == null) {
-                if (other.rpcs != null) {
-                    return false;
-                }
-            } else if (!rpcs.equals(other.rpcs)) {
-                return false;
-            }
-            if (deviations == null) {
-                if (other.deviations != null) {
-                    return false;
-                }
-            } else if (!deviations.equals(other.deviations)) {
-                return false;
-            }
-            if (childNodes == null) {
-                if (other.childNodes != null) {
-                    return false;
-                }
-            } else if (!childNodes.equals(other.childNodes)) {
-                return false;
-            }
-            if (groupings == null) {
-                if (other.groupings != null) {
-                    return false;
-                }
-            } else if (!groupings.equals(other.groupings)) {
-                return false;
-            }
-            if (uses == null) {
-                if (other.uses != null) {
-                    return false;
-                }
-            } else if (!uses.equals(other.uses)) {
-                return false;
-            }
-            return true;
-        }
-
-        @Override
-        public String toString() {
-            StringBuilder sb = new StringBuilder(
-                    ModuleImpl.class.getSimpleName());
-            sb.append("[\n");
-            sb.append("name=" + name + ",\n");
-            sb.append("namespace=" + namespace + ",\n");
-            sb.append("revision=" + revision + ",\n");
-            sb.append("prefix=" + prefix + ",\n");
-            sb.append("yangVersion=" + yangVersion + ",\n");
-            sb.append("description=" + description + ",\n");
-            sb.append("reference=" + reference + ",\n");
-            sb.append("organization=" + organization + ",\n");
-            sb.append("contact=" + contact + ",\n");
-            sb.append("childNodes=" + childNodes.values() + ",\n");
-            sb.append("groupings=" + groupings + ",\n");
-            sb.append("imports=" + imports + ",\n");
-            sb.append("features=" + features + ",\n");
-            sb.append("typeDefinitions=" + typeDefinitions + ",\n");
-            sb.append("notifications=" + notifications + ",\n");
-            sb.append("augmentations=" + augmentations + ",\n");
-            sb.append("rpcs=" + rpcs + ",\n");
-            sb.append("deviations=" + deviations + "\n");
-            sb.append("uses=" + uses + "\n");
-            sb.append("]");
-            return sb.toString();
-        }
-    }
-
-    private ModuleImport createModuleImport(final String moduleName,
-            final Date revision, final String prefix) {
-        ModuleImport moduleImport = new ModuleImport() {
-            @Override
-            public String getModuleName() {
-                return moduleName;
-            }
-
-            @Override
-            public Date getRevision() {
-                return revision;
-            }
-
-            @Override
-            public String getPrefix() {
-                return prefix;
-            }
-
-            @Override
-            public int hashCode() {
-                final int prime = 31;
-                int result = 1;
-                result = prime * result
-                        + ((moduleName == null) ? 0 : moduleName.hashCode());
-                result = prime * result
-                        + ((revision == null) ? 0 : revision.hashCode());
-                result = prime * result
-                        + ((prefix == null) ? 0 : prefix.hashCode());
-                return result;
-            }
-
-            @Override
-            public boolean equals(Object obj) {
-                if (this == obj) {
-                    return true;
-                }
-                if (obj == null) {
-                    return false;
-                }
-                if (getClass() != obj.getClass()) {
-                    return false;
-                }
-                ModuleImport other = (ModuleImport) obj;
-                if (getModuleName() == null) {
-                    if (other.getModuleName() != null) {
-                        return false;
-                    }
-                } else if (!getModuleName().equals(other.getModuleName())) {
-                    return false;
-                }
-                if (getRevision() == null) {
-                    if (other.getRevision() != null) {
-                        return false;
-                    }
-                } else if (!getRevision().equals(other.getRevision())) {
-                    return false;
-                }
-                if (getPrefix() == null) {
-                    if (other.getPrefix() != null) {
-                        return false;
-                    }
-                } else if (!getPrefix().equals(other.getPrefix())) {
-                    return false;
-                }
-                return true;
-            }
-
-            @Override
-            public String toString() {
-                return "ModuleImport[moduleName=" + moduleName + ", revision="
-                        + revision + ", prefix=" + prefix + "]";
-            }
-        };
-        return moduleImport;
-    }
-
-    /**
-     * Traverse through given addedChilds and add only direct module childs.
-     * Direct module child path size is 2 (1. module name, 2. child name).
-     *
-     * @param addedChilds
-     * @return map of children, where key is child QName and value is child
-     *         itself
-     */
-    private Map<QName, DataSchemaNode> buildModuleChildNodes(
-            Map<List<String>, DataSchemaNodeBuilder> addedChilds) {
-        final Map<QName, DataSchemaNode> childNodes = new HashMap<QName, DataSchemaNode>();
-        for (Map.Entry<List<String>, DataSchemaNodeBuilder> entry : addedChilds
-                .entrySet()) {
-            if (entry.getKey().size() == 2) {
-                DataSchemaNode node = entry.getValue().build();
-                QName qname = entry.getValue().getQName();
-                childNodes.put(qname, node);
-            }
-        }
-        return childNodes;
-    }
-
-    /**
-     * Traverse through given addedGroupings and add only direct module
-     * groupings. Direct module grouping path size is 2 (1. module name, 2.
-     * grouping name).
-     *
-     * @param addedGroupings
-     * @return set of built GroupingDefinition objects
-     */
-    private Set<GroupingDefinition> buildModuleGroupings(
-            Map<List<String>, GroupingBuilder> addedGroupings) {
-        final Set<GroupingDefinition> groupings = new HashSet<GroupingDefinition>();
-        for (Map.Entry<List<String>, GroupingBuilder> entry : addedGroupings
-                .entrySet()) {
-            if (entry.getKey().size() == 2) {
-                groupings.add(entry.getValue().build());
-            }
-        }
-        return groupings;
-    }
-
-    /**
-     * Traverse through given addedRpcs and build RpcDefinition objects.
-     *
-     * @param addedRpcs
-     * @return set of built RpcDefinition objects
-     */
-    private Set<RpcDefinition> buildModuleRpcs(
-            Map<List<String>, RpcDefinitionBuilder> addedRpcs) {
-        final Set<RpcDefinition> rpcs = new HashSet<RpcDefinition>();
-        RpcDefinitionBuilder builder;
-        for (Map.Entry<List<String>, RpcDefinitionBuilder> entry : addedRpcs
-                .entrySet()) {
-            builder = entry.getValue();
-            RpcDefinition rpc = builder.build();
-            rpcs.add(rpc);
-        }
-        return rpcs;
-    }
-
-    /**
-     * Traverse through given addedTypedefs and add only direct module typedef
-     * statements. Direct module typedef path size is 2 (1. module name, 2.
-     * typedef name).
-     *
-     * @param addedTypedefs
-     * @return set of built module typedef statements
-     */
-    private Set<TypeDefinition<?>> buildModuleTypedefs(
-            Map<List<String>, TypeDefinitionBuilder> addedTypedefs) {
-        Set<TypeDefinition<?>> typedefs = new HashSet<TypeDefinition<?>>();
-        for (Map.Entry<List<String>, TypeDefinitionBuilder> entry : addedTypedefs
-                .entrySet()) {
-            if (entry.getKey().size() == 2) {
-                TypeDefinition<? extends TypeDefinition<?>> node = entry
-                        .getValue().build();
-                typedefs.add(node);
-            }
-        }
-        return typedefs;
-    }
-
-    /**
-     * Traverse through given addedUsesNodes and add only direct module uses
-     * nodes. Direct module uses node path size is 2 (1. module name, 2. uses
-     * name).
-     *
-     * @param addedUsesNodes
-     * @return set of built module uses nodes
-     */
-    private Set<UsesNode> buildUsesNodes(
-            Map<List<String>, UsesNodeBuilder> addedUsesNodes) {
-        final Set<UsesNode> usesNodeDefinitions = new HashSet<UsesNode>();
-        for (Map.Entry<List<String>, UsesNodeBuilder> entry : addedUsesNodes
-                .entrySet()) {
-            if (entry.getKey().size() == 2) {
-                usesNodeDefinitions.add(entry.getValue().build());
-            }
-        }
-        return usesNodeDefinitions;
-    }
-
-    /**
-     * Traverse through given addedFeatures and add only direct module features.
-     * Direct module feature path size is 2 (1. module name, 2. feature name).
-     *
-     * @param addedFeatures
-     * @return set of built module features
-     */
-    private Set<FeatureDefinition> buildModuleFeatures(
-            Map<List<String>, FeatureBuilder> addedFeatures) {
-        Set<FeatureDefinition> features = new HashSet<FeatureDefinition>();
-        for (Map.Entry<List<String>, FeatureBuilder> entry : addedFeatures
-                .entrySet()) {
-            if (entry.getKey().size() == 2) {
-                features.add(entry.getValue().build());
-            }
-        }
-        return features;
-    }
-
-}
+/*\r
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.\r
+ *\r
+ * This program and the accompanying materials are made available under the\r
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
+ * and is available at http://www.eclipse.org/legal/epl-v10.html\r
+ */\r
+package org.opendaylight.controller.yang.model.parser.builder.impl;\r
+\r
+import java.net.URI;\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+import java.util.Date;\r
+import java.util.HashMap;\r
+import java.util.HashSet;\r
+import java.util.List;\r
+import java.util.Map;\r
+import java.util.Set;\r
+\r
+import org.opendaylight.controller.yang.common.QName;\r
+import org.opendaylight.controller.yang.model.api.AugmentationSchema;\r
+import org.opendaylight.controller.yang.model.api.DataSchemaNode;\r
+import org.opendaylight.controller.yang.model.api.Deviation;\r
+import org.opendaylight.controller.yang.model.api.ExtensionDefinition;\r
+import org.opendaylight.controller.yang.model.api.FeatureDefinition;\r
+import org.opendaylight.controller.yang.model.api.GroupingDefinition;\r
+import org.opendaylight.controller.yang.model.api.Module;\r
+import org.opendaylight.controller.yang.model.api.ModuleImport;\r
+import org.opendaylight.controller.yang.model.api.NotificationDefinition;\r
+import org.opendaylight.controller.yang.model.api.RpcDefinition;\r
+import org.opendaylight.controller.yang.model.api.TypeDefinition;\r
+import org.opendaylight.controller.yang.model.api.UsesNode;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.AugmentationSchemaBuilder;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.Builder;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.ChildNodeBuilder;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.DataSchemaNodeBuilder;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.GroupingBuilder;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.TypeAwareBuilder;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.TypeDefinitionAwareBuilder;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.TypeDefinitionBuilder;\r
+import org.opendaylight.controller.yang.model.parser.builder.api.UsesNodeBuilder;\r
+\r
+/**\r
+ * This builder builds Module object. If this module is dependent on external\r
+ * module/modules, these dependencies must be resolved before module is built,\r
+ * otherwise result may not be valid.\r
+ */\r
+public class ModuleBuilder implements Builder {\r
+\r
+    private final ModuleImpl instance;\r
+    private final String name;\r
+    private String prefix;\r
+    private Date revision;\r
+\r
+    private final Set<ModuleImport> imports = new HashSet<ModuleImport>();\r
+    private Set<AugmentationSchema> augmentations;\r
+\r
+    /**\r
+     * All nodes, that can contain other nodes\r
+     */\r
+    private final Map<List<String>, Builder> moduleNodes = new HashMap<List<String>, Builder>();\r
+\r
+    /**\r
+     * Holds all child (DataSchemaNode) nodes: anyxml, choice, case, container,\r
+     * list, leaf, leaf-list.\r
+     */\r
+    private final Map<List<String>, DataSchemaNodeBuilder> addedChilds = new HashMap<List<String>, DataSchemaNodeBuilder>();\r
+\r
+    private final Map<List<String>, GroupingBuilder> addedGroupings = new HashMap<List<String>, GroupingBuilder>();\r
+    private final Set<AugmentationSchemaBuilder> addedAugments = new HashSet<AugmentationSchemaBuilder>();\r
+    private final Map<List<String>, UsesNodeBuilder> addedUsesNodes = new HashMap<List<String>, UsesNodeBuilder>();\r
+    private final Map<List<String>, RpcDefinitionBuilder> addedRpcs = new HashMap<List<String>, RpcDefinitionBuilder>();\r
+    private final Set<NotificationBuilder> addedNotifications = new HashSet<NotificationBuilder>();\r
+    private final Map<List<String>, FeatureBuilder> addedFeatures = new HashMap<List<String>, FeatureBuilder>();\r
+    private final Map<String, DeviationBuilder> addedDeviations = new HashMap<String, DeviationBuilder>();\r
+    private final Map<List<String>, TypeDefinitionBuilder> addedTypedefs = new HashMap<List<String>, TypeDefinitionBuilder>();\r
+    private final List<ExtensionBuilder> addedExtensions = new ArrayList<ExtensionBuilder>();\r
+\r
+    private final Map<List<String>, TypeAwareBuilder> dirtyNodes = new HashMap<List<String>, TypeAwareBuilder>();\r
+    private final Map<List<String>, UnionTypeBuilder> unionTypes = new HashMap<List<String>, UnionTypeBuilder>();\r
+\r
+    public ModuleBuilder(String name) {\r
+        this.name = name;\r
+        instance = new ModuleImpl(name);\r
+    }\r
+\r
+\r
+\r
+    /**\r
+     * Build new Module object based on this builder.\r
+     */\r
+    @Override\r
+    public Module build() {\r
+        instance.setImports(imports);\r
+\r
+        // TYPEDEFS\r
+        final Set<TypeDefinition<?>> typedefs = buildModuleTypedefs(addedTypedefs);\r
+        instance.setTypeDefinitions(typedefs);\r
+\r
+        // CHILD NODES\r
+        final Map<QName, DataSchemaNode> childNodes = buildModuleChildNodes(addedChilds);\r
+        instance.setChildNodes(childNodes);\r
+\r
+        // GROUPINGS\r
+        final Set<GroupingDefinition> groupings = buildModuleGroupings(addedGroupings);\r
+        instance.setGroupings(groupings);\r
+\r
+        // USES\r
+        final Set<UsesNode> usesNodeDefinitions = buildUsesNodes(addedUsesNodes);\r
+        instance.setUses(usesNodeDefinitions);\r
+\r
+        // FEATURES\r
+        final Set<FeatureDefinition> features = buildModuleFeatures(addedFeatures);\r
+        instance.setFeatures(features);\r
+\r
+        // NOTIFICATIONS\r
+        final Set<NotificationDefinition> notifications = new HashSet<NotificationDefinition>();\r
+        for (NotificationBuilder entry : addedNotifications) {\r
+            notifications.add((NotificationDefinition) entry.build());\r
+        }\r
+        instance.setNotifications(notifications);\r
+\r
+        // AUGMENTATIONS\r
+        instance.setAugmentations(augmentations);\r
+\r
+        // RPCs\r
+        final Set<RpcDefinition> rpcs = buildModuleRpcs(addedRpcs);\r
+        instance.setRpcs(rpcs);\r
+\r
+        // DEVIATIONS\r
+        final Set<Deviation> deviations = new HashSet<Deviation>();\r
+        for (Map.Entry<String, DeviationBuilder> entry : addedDeviations\r
+                .entrySet()) {\r
+            deviations.add(entry.getValue().build());\r
+        }\r
+        instance.setDeviations(deviations);\r
+\r
+        // EXTENSIONS\r
+        final List<ExtensionDefinition> extensions = new ArrayList<ExtensionDefinition>();\r
+        for(ExtensionBuilder b : addedExtensions) {\r
+            extensions.add(b.build());\r
+        }\r
+        instance.setExtensionSchemaNodes(extensions);\r
+\r
+        return instance;\r
+    }\r
+\r
+    public Builder getNode(List<String> path) {\r
+        return moduleNodes.get(path);\r
+    }\r
+\r
+    public Map<List<String>, TypeAwareBuilder> getDirtyNodes() {\r
+        return dirtyNodes;\r
+    }\r
+\r
+    public String getName() {\r
+        return name;\r
+    }\r
+\r
+    public String getPrefix() {\r
+        return prefix;\r
+    }\r
+\r
+    public Date getRevision() {\r
+        return revision;\r
+    }\r
+\r
+    public Set<AugmentationSchemaBuilder> getAddedAugments() {\r
+        return addedAugments;\r
+    }\r
+\r
+    public void addDirtyNode(List<String> path) {\r
+        List<String> dirtyNodePath = new ArrayList<String>(path);\r
+        TypeAwareBuilder nodeBuilder = (TypeAwareBuilder) moduleNodes\r
+                .get(dirtyNodePath);\r
+        dirtyNodes.put(dirtyNodePath, nodeBuilder);\r
+    }\r
+\r
+    public void setNamespace(URI namespace) {\r
+        instance.setNamespace(namespace);\r
+    }\r
+\r
+    public void setRevision(Date revision) {\r
+        this.revision = revision;\r
+        instance.setRevision(revision);\r
+    }\r
+\r
+    public void setPrefix(String prefix) {\r
+        this.prefix = prefix;\r
+        instance.setPrefix(prefix);\r
+    }\r
+\r
+    public void setYangVersion(String yangVersion) {\r
+        instance.setYangVersion(yangVersion);\r
+    }\r
+\r
+    public void setDescription(String description) {\r
+        instance.setDescription(description);\r
+    }\r
+\r
+    public void setReference(String reference) {\r
+        instance.setReference(reference);\r
+    }\r
+\r
+    public void setOrganization(String organization) {\r
+        instance.setOrganization(organization);\r
+    }\r
+\r
+    public void setContact(String contact) {\r
+        instance.setContact(contact);\r
+    }\r
+\r
+    public void setAugmentations(Set<AugmentationSchema> augmentations) {\r
+        this.augmentations = augmentations;\r
+    }\r
+\r
+    public boolean addModuleImport(final String moduleName,\r
+            final Date revision, final String prefix) {\r
+        ModuleImport moduleImport = createModuleImport(moduleName, revision,\r
+                prefix);\r
+        return imports.add(moduleImport);\r
+    }\r
+\r
+    public Set<ModuleImport> getModuleImports() {\r
+        return imports;\r
+    }\r
+\r
+    public ExtensionBuilder addExtension(QName qname) {\r
+        ExtensionBuilder builder = new ExtensionBuilder(qname);\r
+        return builder;\r
+    }\r
+\r
+    public ContainerSchemaNodeBuilder addContainerNode(QName containerName,\r
+            List<String> parentPath) {\r
+        List<String> pathToNode = new ArrayList<String>(parentPath);\r
+\r
+        ContainerSchemaNodeBuilder containerBuilder = new ContainerSchemaNodeBuilder(\r
+                containerName);\r
+\r
+        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes\r
+                .get(pathToNode);\r
+        if (parent != null) {\r
+            if(parent instanceof AugmentationSchemaBuilder) {\r
+                containerBuilder.setAugmenting(true);\r
+            }\r
+            parent.addChildNode(containerBuilder);\r
+        }\r
+\r
+        pathToNode.add(containerName.getLocalName());\r
+        moduleNodes.put(pathToNode, containerBuilder);\r
+        addedChilds.put(pathToNode, containerBuilder);\r
+\r
+        return containerBuilder;\r
+    }\r
+\r
+    public ListSchemaNodeBuilder addListNode(QName listName,\r
+            List<String> parentPath) {\r
+        List<String> pathToNode = new ArrayList<String>(parentPath);\r
+\r
+        ListSchemaNodeBuilder listBuilder = new ListSchemaNodeBuilder(listName);\r
+\r
+        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes\r
+                .get(pathToNode);\r
+        if (parent != null) {\r
+            if(parent instanceof AugmentationSchemaBuilder) {\r
+                listBuilder.setAugmenting(true);\r
+            }\r
+            parent.addChildNode(listBuilder);\r
+        }\r
+\r
+        pathToNode.add(listName.getLocalName());\r
+        moduleNodes.put(pathToNode, listBuilder);\r
+        addedChilds.put(pathToNode, listBuilder);\r
+\r
+        return listBuilder;\r
+    }\r
+\r
+    public LeafSchemaNodeBuilder addLeafNode(QName leafName,\r
+            List<String> parentPath) {\r
+        List<String> pathToNode = new ArrayList<String>(parentPath);\r
+\r
+        LeafSchemaNodeBuilder leafBuilder = new LeafSchemaNodeBuilder(leafName);\r
+\r
+        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes.get(pathToNode);\r
+        if (parent != null) {\r
+            if(parent instanceof AugmentationSchemaBuilder) {\r
+                leafBuilder.setAugmenting(true);\r
+            }\r
+            parent.addChildNode(leafBuilder);\r
+        }\r
+\r
+        pathToNode.add(leafName.getLocalName());\r
+        addedChilds.put(pathToNode, leafBuilder);\r
+        moduleNodes.put(pathToNode, leafBuilder);\r
+\r
+        return leafBuilder;\r
+    }\r
+\r
+    public LeafListSchemaNodeBuilder addLeafListNode(QName leafListName,\r
+            List<String> parentPath) {\r
+        List<String> pathToNode = new ArrayList<String>(parentPath);\r
+\r
+        LeafListSchemaNodeBuilder leafListBuilder = new LeafListSchemaNodeBuilder(\r
+                leafListName);\r
+        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes.get(pathToNode);\r
+        if (parent != null) {\r
+            if(parent instanceof AugmentationSchemaBuilder) {\r
+                leafListBuilder.setAugmenting(true);\r
+            }\r
+            parent.addChildNode(leafListBuilder);\r
+        }\r
+\r
+        pathToNode.add(leafListName.getLocalName());\r
+        addedChilds.put(pathToNode, leafListBuilder);\r
+        moduleNodes.put(pathToNode, leafListBuilder);\r
+\r
+        return leafListBuilder;\r
+    }\r
+\r
+    public GroupingBuilder addGrouping(QName qname, List<String> parentPath) {\r
+        List<String> pathToGroup = new ArrayList<String>(parentPath);\r
+\r
+        GroupingBuilder builder = new GroupingBuilderImpl(qname);\r
+        ChildNodeBuilder parentNodeBuilder = (ChildNodeBuilder) moduleNodes.get(pathToGroup);\r
+        if (parentNodeBuilder != null) {\r
+            parentNodeBuilder.addGrouping(builder);\r
+        }\r
+\r
+        pathToGroup.add(qname.getLocalName());\r
+        moduleNodes.put(pathToGroup, builder);\r
+        addedGroupings.put(pathToGroup, builder);\r
+\r
+        return builder;\r
+    }\r
+\r
+    public AugmentationSchemaBuilder addAugment(String name,\r
+            List<String> parentPath) {\r
+        List<String> pathToAugment = new ArrayList<String>(parentPath);\r
+\r
+        AugmentationSchemaBuilder builder = new AugmentationSchemaBuilderImpl(name);\r
+\r
+        // augment can only be in 'module' or 'uses' statement\r
+        UsesNodeBuilder parent = addedUsesNodes.get(pathToAugment);\r
+        if (parent != null) {\r
+            parent.addAugment(builder);\r
+        }\r
+\r
+        pathToAugment.add(name);\r
+        moduleNodes.put(pathToAugment, builder);\r
+        addedAugments.add(builder);\r
+\r
+        return builder;\r
+    }\r
+\r
+    public UsesNodeBuilder addUsesNode(String groupingPathStr,\r
+            List<String> parentPath) {\r
+        List<String> pathToUses = new ArrayList<String>(parentPath);\r
+\r
+        UsesNodeBuilder usesBuilder = new UsesNodeBuilderImpl(groupingPathStr);\r
+\r
+        ChildNodeBuilder parent = (ChildNodeBuilder) moduleNodes.get(pathToUses);\r
+        if (parent != null) {\r
+            if(parent instanceof AugmentationSchemaBuilder) {\r
+                usesBuilder.setAugmenting(true);\r
+            }\r
+            parent.addUsesNode(usesBuilder);\r
+        }\r
+\r
+        pathToUses.add(groupingPathStr);\r
+        addedUsesNodes.put(pathToUses, usesBuilder);\r
+\r
+        return usesBuilder;\r
+    }\r
+\r
+    public RpcDefinitionBuilder addRpc(QName qname, List<String> parentPath) {\r
+        List<String> pathToRpc = new ArrayList<String>(parentPath);\r
+\r
+        RpcDefinitionBuilder rpcBuilder = new RpcDefinitionBuilder(qname);\r
+\r
+        pathToRpc.add(qname.getLocalName());\r
+        addedRpcs.put(pathToRpc, rpcBuilder);\r
+\r
+        QName inputQName = new QName(qname.getNamespace(), qname.getRevision(),\r
+                qname.getPrefix(), "input");\r
+        ContainerSchemaNodeBuilder inputBuilder = new ContainerSchemaNodeBuilder(inputQName);\r
+        List<String> pathToInput = new ArrayList<String>(pathToRpc);\r
+        pathToInput.add("input");\r
+        moduleNodes.put(pathToInput, inputBuilder);\r
+        rpcBuilder.setInput(inputBuilder);\r
+\r
+        QName outputQName = new QName(qname.getNamespace(),\r
+                qname.getRevision(), qname.getPrefix(), "output");\r
+        ContainerSchemaNodeBuilder outputBuilder = new ContainerSchemaNodeBuilder(outputQName);\r
+        List<String> pathToOutput = new ArrayList<String>(pathToRpc);\r
+        pathToOutput.add("output");\r
+        moduleNodes.put(pathToOutput, outputBuilder);\r
+        rpcBuilder.setOutput(outputBuilder);\r
+\r
+        return rpcBuilder;\r
+    }\r
+\r
+    public NotificationBuilder addNotification(QName notificationName,\r
+            List<String> parentPath) {\r
+        List<String> pathToNotification = new ArrayList<String>(parentPath);\r
+\r
+        NotificationBuilder notificationBuilder = new NotificationBuilder(\r
+                notificationName);\r
+\r
+        pathToNotification.add(notificationName.getLocalName());\r
+        moduleNodes.put(pathToNotification, notificationBuilder);\r
+        addedNotifications.add(notificationBuilder);\r
+\r
+        return notificationBuilder;\r
+    }\r
+\r
+    public FeatureBuilder addFeature(QName featureName, List<String> parentPath) {\r
+        List<String> pathToFeature = new ArrayList<String>(parentPath);\r
+        pathToFeature.add(featureName.getLocalName());\r
+\r
+        FeatureBuilder builder = new FeatureBuilder(featureName);\r
+        addedFeatures.put(pathToFeature, builder);\r
+        return builder;\r
+    }\r
+\r
+    public TypedefBuilder addTypedef(QName typeDefName, List<String> parentPath) {\r
+        List<String> pathToType = new ArrayList<String>(parentPath);\r
+        TypedefBuilder builder = new TypedefBuilder(typeDefName);\r
+        TypeDefinitionAwareBuilder parent = (TypeDefinitionAwareBuilder) moduleNodes.get(pathToType);\r
+        if (parent != null) {\r
+            parent.addTypedef(builder);\r
+        }\r
+        pathToType.add(typeDefName.getLocalName());\r
+        addedTypedefs.put(pathToType, builder);\r
+        moduleNodes.put(pathToType, builder);\r
+        return builder;\r
+    }\r
+\r
+    public Set<TypeDefinitionBuilder> getModuleTypedefs() {\r
+        Set<TypeDefinitionBuilder> typedefs = new HashSet<TypeDefinitionBuilder>();\r
+        for (Map.Entry<List<String>, TypeDefinitionBuilder> entry : addedTypedefs.entrySet()) {\r
+            if (entry.getKey().size() == 2) {\r
+                typedefs.add(entry.getValue());\r
+            }\r
+        }\r
+        return typedefs;\r
+    }\r
+\r
+    public void setType(TypeDefinition<?> type, List<String> parentPath) {\r
+        TypeAwareBuilder parent = (TypeAwareBuilder) moduleNodes.get(parentPath);\r
+        parent.setType(type);\r
+    }\r
+\r
+    public void addUnionType(List<String> parentPath) {\r
+        TypeAwareBuilder parent = (TypeAwareBuilder) moduleNodes.get(parentPath);\r
+        UnionTypeBuilder union = new UnionTypeBuilder();\r
+        parent.setType(union.build());\r
+\r
+        List<String> path = new ArrayList<String>(parentPath);\r
+        path.add("union");\r
+\r
+        unionTypes.put(path, union);\r
+        moduleNodes.put(path, union);\r
+    }\r
+\r
+    public DeviationBuilder addDeviation(String targetPath) {\r
+        DeviationBuilder builder = new DeviationBuilder(targetPath);\r
+        addedDeviations.put(targetPath, builder);\r
+        return builder;\r
+    }\r
+\r
+    public void addConfiguration(boolean configuration, List<String> parentPath) {\r
+        Builder builder = moduleNodes.get(parentPath);\r
+        if (builder instanceof DeviationBuilder) {\r
+            // skip\r
+            // TODO\r
+        } else {\r
+            DataSchemaNodeBuilder configBuilder = (DataSchemaNodeBuilder) moduleNodes.get(parentPath);\r
+            configBuilder.setConfiguration(configuration);\r
+        }\r
+    }\r
+\r
+    public UnknownSchemaNodeBuilder addUnknownSchemaNode(QName qname, List<String> parentPath) {\r
+        UnknownSchemaNodeBuilder builder = new UnknownSchemaNodeBuilder(qname);\r
+        return builder;\r
+    }\r
+\r
+\r
+    private class ModuleImpl implements Module {\r
+        private URI namespace;\r
+        private final String name;\r
+        private Date revision;\r
+        private String prefix;\r
+        private String yangVersion;\r
+        private String description;\r
+        private String reference;\r
+        private String organization;\r
+        private String contact;\r
+        private Set<ModuleImport> imports = Collections.emptySet();\r
+        private Set<FeatureDefinition> features = Collections.emptySet();\r
+        private Set<TypeDefinition<?>> typeDefinitions = Collections.emptySet();\r
+        private Set<NotificationDefinition> notifications = Collections.emptySet();\r
+        private Set<AugmentationSchema> augmentations = Collections.emptySet();\r
+        private Set<RpcDefinition> rpcs = Collections.emptySet();\r
+        private Set<Deviation> deviations = Collections.emptySet();\r
+        private Map<QName, DataSchemaNode> childNodes = Collections.emptyMap();\r
+        private Set<GroupingDefinition> groupings = Collections.emptySet();\r
+        private Set<UsesNode> uses = Collections.emptySet();\r
+        private List<ExtensionDefinition> extensionSchemaNodes = Collections.emptyList();\r
+\r
+        private ModuleImpl(String name) {\r
+            this.name = name;\r
+        }\r
+\r
+        @Override\r
+        public URI getNamespace() {\r
+            return namespace;\r
+        }\r
+\r
+        private void setNamespace(URI namespace) {\r
+            this.namespace = namespace;\r
+        }\r
+\r
+        @Override\r
+        public String getName() {\r
+            return name;\r
+        }\r
+\r
+        @Override\r
+        public Date getRevision() {\r
+            return revision;\r
+        }\r
+\r
+        private void setRevision(Date revision) {\r
+            this.revision = revision;\r
+        }\r
+\r
+        @Override\r
+        public String getPrefix() {\r
+            return prefix;\r
+        }\r
+\r
+        private void setPrefix(String prefix) {\r
+            this.prefix = prefix;\r
+        }\r
+\r
+        @Override\r
+        public String getYangVersion() {\r
+            return yangVersion;\r
+        }\r
+\r
+        private void setYangVersion(String yangVersion) {\r
+            this.yangVersion = yangVersion;\r
+        }\r
+\r
+        @Override\r
+        public String getDescription() {\r
+            return description;\r
+        }\r
+\r
+        private void setDescription(String description) {\r
+            this.description = description;\r
+        }\r
+\r
+        @Override\r
+        public String getReference() {\r
+            return reference;\r
+        }\r
+\r
+        private void setReference(String reference) {\r
+            this.reference = reference;\r
+        }\r
+\r
+        @Override\r
+        public String getOrganization() {\r
+            return organization;\r
+        }\r
+\r
+        private void setOrganization(String organization) {\r
+            this.organization = organization;\r
+        }\r
+\r
+        @Override\r
+        public String getContact() {\r
+            return contact;\r
+        }\r
+\r
+        private void setContact(String contact) {\r
+            this.contact = contact;\r
+        }\r
+\r
+        @Override\r
+        public Set<ModuleImport> getImports() {\r
+            return imports;\r
+        }\r
+\r
+        private void setImports(Set<ModuleImport> imports) {\r
+            if(imports != null) {\r
+                this.imports = imports;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<FeatureDefinition> getFeatures() {\r
+            return features;\r
+        }\r
+\r
+        private void setFeatures(Set<FeatureDefinition> features) {\r
+            if(features != null) {\r
+                this.features = features;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<TypeDefinition<?>> getTypeDefinitions() {\r
+            return typeDefinitions;\r
+        }\r
+\r
+        private void setTypeDefinitions(Set<TypeDefinition<?>> typeDefinitions) {\r
+            if(typeDefinitions != null) {\r
+                this.typeDefinitions = typeDefinitions;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<NotificationDefinition> getNotifications() {\r
+            return notifications;\r
+        }\r
+\r
+        private void setNotifications(Set<NotificationDefinition> notifications) {\r
+            if(notifications != null) {\r
+                this.notifications = notifications;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<AugmentationSchema> getAugmentations() {\r
+            return augmentations;\r
+        }\r
+\r
+        private void setAugmentations(Set<AugmentationSchema> augmentations) {\r
+            if(augmentations != null) {\r
+                this.augmentations = augmentations;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<RpcDefinition> getRpcs() {\r
+            return rpcs;\r
+        }\r
+\r
+        private void setRpcs(Set<RpcDefinition> rpcs) {\r
+            if(rpcs != null) {\r
+                this.rpcs = rpcs;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<Deviation> getDeviations() {\r
+            return deviations;\r
+        }\r
+\r
+        private void setDeviations(Set<Deviation> deviations) {\r
+            if(deviations != null) {\r
+                this.deviations = deviations;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<DataSchemaNode> getChildNodes() {\r
+            return new HashSet<DataSchemaNode>(childNodes.values());\r
+        }\r
+\r
+        private void setChildNodes(Map<QName, DataSchemaNode> childNodes) {\r
+            if(childNodes != null) {\r
+                this.childNodes = childNodes;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<GroupingDefinition> getGroupings() {\r
+            return groupings;\r
+        }\r
+\r
+        private void setGroupings(Set<GroupingDefinition> groupings) {\r
+            if(groupings != null) {\r
+                this.groupings = groupings;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public Set<UsesNode> getUses() {\r
+            return uses;\r
+        }\r
+\r
+        private void setUses(Set<UsesNode> uses) {\r
+            if(uses != null) {\r
+                this.uses = uses;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public List<ExtensionDefinition> getExtensionSchemaNodes() {\r
+            return extensionSchemaNodes;\r
+        }\r
+\r
+        private void setExtensionSchemaNodes(List<ExtensionDefinition> extensionSchemaNodes) {\r
+            if(extensionSchemaNodes != null) {\r
+                this.extensionSchemaNodes = extensionSchemaNodes;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public DataSchemaNode getDataChildByName(QName name) {\r
+            return childNodes.get(name);\r
+        }\r
+\r
+        @Override\r
+        public DataSchemaNode getDataChildByName(String name) {\r
+            DataSchemaNode result = null;\r
+            for (Map.Entry<QName, DataSchemaNode> entry : childNodes.entrySet()) {\r
+                if (entry.getKey().getLocalName().equals(name)) {\r
+                    result = entry.getValue();\r
+                    break;\r
+                }\r
+            }\r
+            return result;\r
+        }\r
+\r
+        @Override\r
+        public int hashCode() {\r
+            final int prime = 31;\r
+            int result = 1;\r
+            result = prime * result + ((namespace == null) ? 0 : namespace.hashCode());\r
+            result = prime * result + ((name == null) ? 0 : name.hashCode());\r
+            result = prime * result + ((revision == null) ? 0 : revision.hashCode());\r
+            result = prime * result + ((prefix == null) ? 0 : prefix.hashCode());\r
+            result = prime * result + ((yangVersion == null) ? 0 : yangVersion.hashCode());\r
+            return result;\r
+        }\r
+\r
+        @Override\r
+        public boolean equals(Object obj) {\r
+            if (this == obj) {\r
+                return true;\r
+            }\r
+            if (obj == null) {\r
+                return false;\r
+            }\r
+            if (getClass() != obj.getClass()) {\r
+                return false;\r
+            }\r
+            ModuleImpl other = (ModuleImpl) obj;\r
+            if (namespace == null) {\r
+                if (other.namespace != null) {\r
+                    return false;\r
+                }\r
+            } else if (!namespace.equals(other.namespace)) {\r
+                return false;\r
+            }\r
+            if (name == null) {\r
+                if (other.name != null) {\r
+                    return false;\r
+                }\r
+            } else if (!name.equals(other.name)) {\r
+                return false;\r
+            }\r
+            if (revision == null) {\r
+                if (other.revision != null) {\r
+                    return false;\r
+                }\r
+            } else if (!revision.equals(other.revision)) {\r
+                return false;\r
+            }\r
+            if (prefix == null) {\r
+                if (other.prefix != null) {\r
+                    return false;\r
+                }\r
+            } else if (!prefix.equals(other.prefix)) {\r
+                return false;\r
+            }\r
+            if (yangVersion == null) {\r
+                if (other.yangVersion != null) {\r
+                    return false;\r
+                }\r
+            } else if (!yangVersion.equals(other.yangVersion)) {\r
+                return false;\r
+            }\r
+            return true;\r
+        }\r
+\r
+        @Override\r
+        public String toString() {\r
+            StringBuilder sb = new StringBuilder(\r
+                    ModuleImpl.class.getSimpleName());\r
+            sb.append("[\n");\r
+            sb.append("name=" + name + ",\n");\r
+            sb.append("namespace=" + namespace + ",\n");\r
+            sb.append("revision=" + revision + ",\n");\r
+            sb.append("prefix=" + prefix + ",\n");\r
+            sb.append("yangVersion=" + yangVersion + ",\n");\r
+            sb.append("description=" + description + ",\n");\r
+            sb.append("reference=" + reference + ",\n");\r
+            sb.append("organization=" + organization + ",\n");\r
+            sb.append("contact=" + contact + ",\n");\r
+            sb.append("childNodes=" + childNodes.values() + ",\n");\r
+            sb.append("groupings=" + groupings + ",\n");\r
+            sb.append("imports=" + imports + ",\n");\r
+            sb.append("features=" + features + ",\n");\r
+            sb.append("typeDefinitions=" + typeDefinitions + ",\n");\r
+            sb.append("notifications=" + notifications + ",\n");\r
+            sb.append("augmentations=" + augmentations + ",\n");\r
+            sb.append("rpcs=" + rpcs + ",\n");\r
+            sb.append("deviations=" + deviations + "\n");\r
+            sb.append("uses=" + uses + "\n");\r
+            sb.append("]");\r
+            return sb.toString();\r
+        }\r
+    }\r
+\r
+    private ModuleImport createModuleImport(final String moduleName,\r
+            final Date revision, final String prefix) {\r
+        ModuleImport moduleImport = new ModuleImport() {\r
+            @Override\r
+            public String getModuleName() {\r
+                return moduleName;\r
+            }\r
+\r
+            @Override\r
+            public Date getRevision() {\r
+                return revision;\r
+            }\r
+\r
+            @Override\r
+            public String getPrefix() {\r
+                return prefix;\r
+            }\r
+\r
+            @Override\r
+            public int hashCode() {\r
+                final int prime = 31;\r
+                int result = 1;\r
+                result = prime * result\r
+                        + ((moduleName == null) ? 0 : moduleName.hashCode());\r
+                result = prime * result\r
+                        + ((revision == null) ? 0 : revision.hashCode());\r
+                result = prime * result\r
+                        + ((prefix == null) ? 0 : prefix.hashCode());\r
+                return result;\r
+            }\r
+\r
+            @Override\r
+            public boolean equals(Object obj) {\r
+                if (this == obj) {\r
+                    return true;\r
+                }\r
+                if (obj == null) {\r
+                    return false;\r
+                }\r
+                if (getClass() != obj.getClass()) {\r
+                    return false;\r
+                }\r
+                ModuleImport other = (ModuleImport) obj;\r
+                if (getModuleName() == null) {\r
+                    if (other.getModuleName() != null) {\r
+                        return false;\r
+                    }\r
+                } else if (!getModuleName().equals(other.getModuleName())) {\r
+                    return false;\r
+                }\r
+                if (getRevision() == null) {\r
+                    if (other.getRevision() != null) {\r
+                        return false;\r
+                    }\r
+                } else if (!getRevision().equals(other.getRevision())) {\r
+                    return false;\r
+                }\r
+                if (getPrefix() == null) {\r
+                    if (other.getPrefix() != null) {\r
+                        return false;\r
+                    }\r
+                } else if (!getPrefix().equals(other.getPrefix())) {\r
+                    return false;\r
+                }\r
+                return true;\r
+            }\r
+\r
+            @Override\r
+            public String toString() {\r
+                return "ModuleImport[moduleName=" + moduleName + ", revision="\r
+                        + revision + ", prefix=" + prefix + "]";\r
+            }\r
+        };\r
+        return moduleImport;\r
+    }\r
+\r
+    /**\r
+     * Traverse through given addedChilds and add only direct module childs.\r
+     * Direct module child path size is 2 (1. module name, 2. child name).\r
+     *\r
+     * @param addedChilds\r
+     * @return map of children, where key is child QName and value is child\r
+     *         itself\r
+     */\r
+    private Map<QName, DataSchemaNode> buildModuleChildNodes(\r
+            Map<List<String>, DataSchemaNodeBuilder> addedChilds) {\r
+        final Map<QName, DataSchemaNode> childNodes = new HashMap<QName, DataSchemaNode>();\r
+        for (Map.Entry<List<String>, DataSchemaNodeBuilder> entry : addedChilds\r
+                .entrySet()) {\r
+            if (entry.getKey().size() == 2) {\r
+                DataSchemaNode node = entry.getValue().build();\r
+                QName qname = entry.getValue().getQName();\r
+                childNodes.put(qname, node);\r
+            }\r
+        }\r
+        return childNodes;\r
+    }\r
+\r
+    /**\r
+     * Traverse through given addedGroupings and add only direct module\r
+     * groupings. Direct module grouping path size is 2 (1. module name, 2.\r
+     * grouping name).\r
+     *\r
+     * @param addedGroupings\r
+     * @return set of built GroupingDefinition objects\r
+     */\r
+    private Set<GroupingDefinition> buildModuleGroupings(\r
+            Map<List<String>, GroupingBuilder> addedGroupings) {\r
+        final Set<GroupingDefinition> groupings = new HashSet<GroupingDefinition>();\r
+        for (Map.Entry<List<String>, GroupingBuilder> entry : addedGroupings\r
+                .entrySet()) {\r
+            if (entry.getKey().size() == 2) {\r
+                groupings.add(entry.getValue().build());\r
+            }\r
+        }\r
+        return groupings;\r
+    }\r
+\r
+    /**\r
+     * Traverse through given addedRpcs and build RpcDefinition objects.\r
+     *\r
+     * @param addedRpcs\r
+     * @return set of built RpcDefinition objects\r
+     */\r
+    private Set<RpcDefinition> buildModuleRpcs(\r
+            Map<List<String>, RpcDefinitionBuilder> addedRpcs) {\r
+        final Set<RpcDefinition> rpcs = new HashSet<RpcDefinition>();\r
+        RpcDefinitionBuilder builder;\r
+        for (Map.Entry<List<String>, RpcDefinitionBuilder> entry : addedRpcs\r
+                .entrySet()) {\r
+            builder = entry.getValue();\r
+            RpcDefinition rpc = builder.build();\r
+            rpcs.add(rpc);\r
+        }\r
+        return rpcs;\r
+    }\r
+\r
+    /**\r
+     * Traverse through given addedTypedefs and add only direct module typedef\r
+     * statements. Direct module typedef path size is 2 (1. module name, 2.\r
+     * typedef name).\r
+     *\r
+     * @param addedTypedefs\r
+     * @return set of built module typedef statements\r
+     */\r
+    private Set<TypeDefinition<?>> buildModuleTypedefs(\r
+            Map<List<String>, TypeDefinitionBuilder> addedTypedefs) {\r
+        Set<TypeDefinition<?>> typedefs = new HashSet<TypeDefinition<?>>();\r
+        for (Map.Entry<List<String>, TypeDefinitionBuilder> entry : addedTypedefs\r
+                .entrySet()) {\r
+            if (entry.getKey().size() == 2) {\r
+                TypeDefinition<? extends TypeDefinition<?>> node = entry\r
+                        .getValue().build();\r
+                typedefs.add(node);\r
+            }\r
+        }\r
+        return typedefs;\r
+    }\r
+\r
+    /**\r
+     * Traverse through given addedUsesNodes and add only direct module uses\r
+     * nodes. Direct module uses node path size is 2 (1. module name, 2. uses\r
+     * name).\r
+     *\r
+     * @param addedUsesNodes\r
+     * @return set of built module uses nodes\r
+     */\r
+    private Set<UsesNode> buildUsesNodes(\r
+            Map<List<String>, UsesNodeBuilder> addedUsesNodes) {\r
+        final Set<UsesNode> usesNodeDefinitions = new HashSet<UsesNode>();\r
+        for (Map.Entry<List<String>, UsesNodeBuilder> entry : addedUsesNodes\r
+                .entrySet()) {\r
+            if (entry.getKey().size() == 2) {\r
+                usesNodeDefinitions.add(entry.getValue().build());\r
+            }\r
+        }\r
+        return usesNodeDefinitions;\r
+    }\r
+\r
+    /**\r
+     * Traverse through given addedFeatures and add only direct module features.\r
+     * Direct module feature path size is 2 (1. module name, 2. feature name).\r
+     *\r
+     * @param addedFeatures\r
+     * @return set of built module features\r
+     */\r
+    private Set<FeatureDefinition> buildModuleFeatures(\r
+            Map<List<String>, FeatureBuilder> addedFeatures) {\r
+        Set<FeatureDefinition> features = new HashSet<FeatureDefinition>();\r
+        for (Map.Entry<List<String>, FeatureBuilder> entry : addedFeatures\r
+                .entrySet()) {\r
+            if (entry.getKey().size() == 2) {\r
+                features.add(entry.getValue().build());\r
+            }\r
+        }\r
+        return features;\r
+    }\r
+\r
+}\r