| /* |
| * 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.incubator.elasticcfg; |
| |
| import org.onlab.util.Identifier; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Abstraction of the key to an instance in the elastic config store. |
| * Path to each node would contain info about its hierarchy too. |
| */ |
| public final class ConfigNodePath extends Identifier<String> { |
| |
| private final String parentKey; |
| private final String nodeKey; |
| |
| /** |
| * Creates a new ConfigNodePath from parentKey and nodeKey. |
| * |
| * @param parentKey absolute path to the parent. |
| * @param nodeKey relative path to the node. |
| */ |
| public ConfigNodePath(String parentKey, String nodeKey) { |
| super(checkNotNull(parentKey, "parent key is null").concat(checkNotNull(nodeKey, "node key is null"))); |
| this.parentKey = parentKey; |
| this.nodeKey = nodeKey; |
| } |
| |
| /** |
| * Returns the parent key. |
| * |
| * @return absolute path to the parent |
| */ |
| public String parentKey() { |
| return parentKey; |
| } |
| |
| /** |
| * Returns the node key. |
| * |
| * @return relative path to the node |
| */ |
| public String nodeKey() { |
| return nodeKey; |
| } |
| } |