| /* |
| * 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. |
| */ |
| package org.apache.iotdb.db.metadata.mnode; |
| |
| import org.apache.iotdb.db.metadata.MetaUtils; |
| |
| import com.google.common.util.concurrent.ThreadFactoryBuilder; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.util.List; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class MNodeTest { |
| private static ExecutorService service; |
| |
| @Before |
| public void setUp() throws Exception { |
| service = |
| Executors.newFixedThreadPool( |
| Runtime.getRuntime().availableProcessors(), |
| new ThreadFactoryBuilder().setDaemon(false).setNameFormat("replaceChild-%d").build()); |
| } |
| |
| @Test |
| public void testReplaceChild() throws InterruptedException { |
| // after replacing a with c, the timeseries root.a.b becomes root.c.b |
| InternalMNode rootNode = new InternalMNode(null, "root"); |
| |
| IEntityMNode aNode = new EntityMNode(rootNode, "a"); |
| rootNode.addChild(aNode.getName(), aNode); |
| |
| MeasurementMNode bNode = new MeasurementMNode(aNode, "b", null, null); |
| |
| aNode.addChild(bNode.getName(), bNode); |
| aNode.addAlias("aliasOfb", bNode); |
| |
| for (int i = 0; i < 500; i++) { |
| service.submit( |
| new Thread(() -> rootNode.replaceChild(aNode.getName(), new EntityMNode(null, "c")))); |
| } |
| |
| if (!service.isShutdown()) { |
| service.shutdown(); |
| service.awaitTermination(30, TimeUnit.SECONDS); |
| } |
| |
| List<String> multiFullPaths = MetaUtils.getMultiFullPaths(rootNode); |
| assertEquals("root.c.b", multiFullPaths.get(0)); |
| assertEquals("root.c.b", rootNode.getChild("c").getChild("aliasOfb").getFullPath()); |
| } |
| |
| @Test |
| public void testAddChild() { |
| InternalMNode rootNode = new InternalMNode(null, "root"); |
| |
| IMNode speedNode = |
| rootNode |
| .addChild(new InternalMNode(null, "sg1")) |
| .addChild(new InternalMNode(null, "a")) |
| .addChild(new InternalMNode(null, "b")) |
| .addChild(new InternalMNode(null, "c")) |
| .addChild(new InternalMNode(null, "d")) |
| .addChild(new InternalMNode(null, "device")) |
| .addChild(new InternalMNode(null, "speed")); |
| assertEquals("root.sg1.a.b.c.d.device.speed", speedNode.getFullPath()); |
| |
| IMNode temperatureNode = |
| rootNode |
| .getChild("sg1") |
| .addChild(new InternalMNode(null, "aa")) |
| .addChild(new InternalMNode(null, "bb")) |
| .addChild(new InternalMNode(null, "cc")) |
| .addChild(new InternalMNode(null, "dd")) |
| .addChild(new InternalMNode(null, "device11")) |
| .addChild(new InternalMNode(null, "temperature")); |
| assertEquals("root.sg1.aa.bb.cc.dd.device11.temperature", temperatureNode.getFullPath()); |
| } |
| } |