| /** |
| * 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.curator.framework.recipes.nodes; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.framework.state.ConnectionState; |
| import org.apache.curator.framework.state.ConnectionStateListener; |
| import org.apache.curator.retry.RetryOneTime; |
| import org.apache.curator.test.BaseClassForTests; |
| import org.apache.curator.test.TestingServer; |
| import org.apache.curator.test.Timing; |
| import org.apache.curator.utils.CloseableUtils; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| public class TestPersistentEphemeralNodeListener extends BaseClassForTests |
| { |
| @Test |
| public void testListenersReconnectedIsOK() throws Exception |
| { |
| server.stop(); |
| |
| Timing timing = new Timing(); |
| CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1)); |
| try |
| { |
| client.start(); |
| PersistentEphemeralNode node = new PersistentEphemeralNode(client, PersistentEphemeralNode.Mode.EPHEMERAL, "/abc/node", "hello".getBytes()); |
| node.start(); |
| |
| final CountDownLatch connectedLatch = new CountDownLatch(1); |
| final CountDownLatch reconnectedLatch = new CountDownLatch(1); |
| final AtomicReference<ConnectionState> lastState = new AtomicReference<ConnectionState>(); |
| ConnectionStateListener listener = new ConnectionStateListener() |
| { |
| @Override |
| public void stateChanged(CuratorFramework client, ConnectionState newState) |
| { |
| lastState.set(newState); |
| if ( newState == ConnectionState.CONNECTED ) |
| { |
| connectedLatch.countDown(); |
| } |
| if ( newState == ConnectionState.RECONNECTED ) |
| { |
| reconnectedLatch.countDown(); |
| } |
| } |
| }; |
| client.getConnectionStateListenable().addListener(listener); |
| timing.sleepABit(); |
| server.restart(); |
| Assert.assertTrue(timing.awaitLatch(connectedLatch)); |
| timing.sleepABit(); |
| Assert.assertTrue(node.waitForInitialCreate(timing.forWaiting().milliseconds(), TimeUnit.MILLISECONDS)); |
| server.restart(); |
| timing.sleepABit(); |
| Assert.assertTrue(timing.awaitLatch(reconnectedLatch)); |
| timing.sleepABit(); |
| Assert.assertEquals(lastState.get(), ConnectionState.RECONNECTED); |
| } |
| finally |
| { |
| CloseableUtils.closeQuietly(client); |
| } |
| } |
| } |