| /* |
| * Copyright 2015 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.ui.impl.topo; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * A database of meta information stored for topology objects. |
| */ |
| // package private |
| class MetaDb { |
| |
| private static Map<String, ObjectNode> metaCache = new ConcurrentHashMap<>(); |
| |
| /** |
| * Adds meta UI information about the specified object to the given payload. |
| * |
| * @param id object identifier |
| * @param payload payload to which the info should be added |
| */ |
| public void addMetaUi(String id, ObjectNode payload) { |
| ObjectNode meta = metaCache.get(id); |
| if (meta != null) { |
| payload.set("metaUi", meta); |
| } |
| } |
| } |