Simon Hunt | d7f7bcc | 2015-05-08 14:13:17 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | * |
| 16 | */ |
| 17 | |
| 18 | package org.onosproject.ui.impl.topo; |
| 19 | |
| 20 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 21 | |
| 22 | import java.util.Map; |
| 23 | import java.util.concurrent.ConcurrentHashMap; |
| 24 | |
| 25 | /** |
| 26 | * A database of meta information stored for topology objects. |
| 27 | */ |
| 28 | // package private |
| 29 | class MetaDb { |
| 30 | |
| 31 | private static Map<String, ObjectNode> metaCache = new ConcurrentHashMap<>(); |
| 32 | |
| 33 | /** |
| 34 | * Adds meta UI information about the specified object to the given payload. |
| 35 | * |
| 36 | * @param id object identifier |
| 37 | * @param payload payload to which the info should be added |
| 38 | */ |
| 39 | public void addMetaUi(String id, ObjectNode payload) { |
| 40 | ObjectNode meta = metaCache.get(id); |
| 41 | if (meta != null) { |
| 42 | payload.set("metaUi", meta); |
| 43 | } |
| 44 | } |
| 45 | } |