| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.config.model; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import static org.onosproject.config.model.ModelConstants.LEAF_IS_TERMINAL; |
| |
| /** |
| * Abstraction of an entity which represents an inner node in data store. |
| */ |
| public final class InnerNode extends DataNode { |
| |
| /** |
| * Map containing info of all child data nodes with respect to their node |
| * keys. |
| */ |
| private Map<NodeKey, DataNode> childNodes = new LinkedHashMap<>(); |
| |
| /** |
| * Returns the children nodes to the current node. |
| * Children nodes are identified based on the node key. |
| * |
| * @return read only linked map of children nodes |
| */ |
| public Map<NodeKey, DataNode> childNodes() { |
| return childNodes; |
| } |
| |
| /** |
| * Creates an instance of inner node. |
| * |
| * @param builder inner node builder |
| */ |
| public InnerNode(Builder builder) { |
| super(builder); |
| childNodes = builder.childNodes; |
| } |
| |
| /** |
| * Returns inner node builder instance. |
| * |
| * @param name name of node |
| * @param nameSpace namespace of node |
| * @return inner node builder instance |
| */ |
| public static Builder builder(String name, String nameSpace) { |
| return new Builder(name, nameSpace); |
| } |
| |
| /** |
| * Returns inner node copy builder. |
| * |
| * @return inner node copy builder |
| */ |
| @Override |
| public Builder copyBuilder() { |
| return new Builder(this); |
| } |
| |
| /** |
| * Builder with get and set functions to build inner node, |
| * builder will be used both to create inner node from scratch or from a |
| * given inner node. |
| */ |
| public static class Builder extends DataNode.Builder<Builder> { |
| |
| /** |
| * Map containing info of all child data nodes with respect to their |
| * node keys. |
| */ |
| private Map<NodeKey, DataNode> childNodes = new LinkedHashMap<>(); |
| |
| public Builder() { |
| } |
| /** |
| * Creates an instance of data node builder. |
| * |
| * @param name name of node |
| * @param namespace namespace of node |
| */ |
| public Builder(String name, String namespace) { |
| keyBuilder = NodeKey.builder().schemaId(name, namespace); |
| } |
| |
| /** |
| * Creates an instance of inner node builder. |
| * |
| * @param node old inner node |
| */ |
| public Builder(InnerNode node) { |
| super(node); |
| childNodes = node.childNodes; |
| } |
| |
| /** |
| * Adds node to the builder. |
| * |
| * @param node node to be added |
| * @return inner node builder |
| */ |
| public Builder addNode(DataNode node) { |
| childNodes.put(node.key(), node); |
| return this; |
| } |
| |
| /** |
| * Builds a inner node object. |
| * |
| * @return inner node |
| */ |
| @Override |
| public InnerNode build() { |
| if (type == null) { |
| throw new IllegalStateException("node should have a type."); |
| } |
| if (key == null) { |
| key = keyBuilder.build(); |
| } |
| return new InnerNode(this); |
| } |
| |
| @Override |
| public InnerNode.Builder createChildBuilder(String name, String nameSpace) { |
| return InnerNode.builder(name, nameSpace) |
| .parent(this); |
| } |
| |
| @Override |
| public LeafNode.Builder createChildBuilder(String name, String nameSpace, |
| Object value) { |
| return LeafNode.builder(name, nameSpace) |
| .parent(this) |
| .value(value); |
| } |
| |
| @Override |
| public InnerNode.Builder deleteChild(NodeKey key) { |
| childNodes.remove(key); |
| return this; |
| } |
| |
| @Override |
| public Builder getChildBuilder(NodeKey nodeKey) { |
| DataNode node = childNodes.get(nodeKey); |
| if (node == null) { |
| throw new IllegalArgumentException( |
| "Invalid key: no child nodes found for given key: " + |
| nodeKey); |
| } |
| return (Builder) node.copyBuilder().parent(this); |
| } |
| |
| @Override |
| public Builder addKeyLeaf(String name, String nameSpace, Object val) { |
| ListKey.ListKeyBuilder listKeyBuilder; |
| if (!(keyBuilder instanceof ListKey.ListKeyBuilder)) { |
| if (keyBuilder instanceof LeafListKey.LeafListKeyBuilder) { |
| throw new ModelException(LEAF_IS_TERMINAL); |
| } |
| |
| listKeyBuilder = new ListKey.ListKeyBuilder(keyBuilder); |
| } else { |
| listKeyBuilder = (ListKey.ListKeyBuilder) keyBuilder; |
| } |
| |
| listKeyBuilder.addKeyLeaf(name, nameSpace, val); |
| keyBuilder = listKeyBuilder; |
| return this; |
| } |
| |
| @Override |
| public LeafNode.Builder addLeafListValue(Object val) { |
| throw new IllegalStateException("node is not of leaf list type."); |
| } |
| } |
| } |