| package org.apache.helix.mock.participant; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import org.apache.helix.AccessOption; |
| import org.apache.helix.HelixManager; |
| import org.apache.helix.NotificationContext; |
| import org.apache.helix.zookeeper.datamodel.ZNRecord; |
| import org.apache.helix.model.Message; |
| import org.apache.helix.store.zk.ZkHelixPropertyStore; |
| import org.apache.helix.zookeeper.zkclient.DataUpdater; |
| import org.apache.helix.zookeeper.zkclient.exception.ZkNoNodeException; |
| |
| |
| // simulate access property store and update different znodes |
| public class StoreAccessDiffNodeTransition extends MockTransition { |
| @Override |
| public void doTransition(Message message, NotificationContext context) { |
| HelixManager manager = context.getManager(); |
| ZkHelixPropertyStore<ZNRecord> store = manager.getHelixPropertyStore(); |
| final String setPath = "/TEST_PERF/set/" + message.getPartitionName(); |
| final String updatePath = "/TEST_PERF/update/" + message.getPartitionName(); |
| // final String key = message.getPartitionName(); |
| try { |
| // get/set once |
| ZNRecord record = null; |
| try { |
| record = store.get(setPath, null, 0); |
| } catch (ZkNoNodeException e) { |
| // record = new ZNRecord(setPath); |
| } |
| if (record == null) { |
| record = new ZNRecord(setPath); |
| } |
| record.setSimpleField("setTimestamp", "" + System.currentTimeMillis()); |
| store.set(setPath, record, AccessOption.PERSISTENT); |
| |
| // update once |
| store.update(updatePath, new DataUpdater<ZNRecord>() { |
| |
| @Override |
| public ZNRecord update(ZNRecord currentData) { |
| if (currentData == null) { |
| currentData = new ZNRecord(updatePath); |
| } |
| currentData.setSimpleField("updateTimestamp", "" + System.currentTimeMillis()); |
| |
| return currentData; |
| } |
| |
| }, AccessOption.PERSISTENT); |
| } catch (Exception e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| |
| } |
| } |