com.netflix.curator.framework.imps.TestMultiClient.java Source code

Introduction

Here is the source code for com.netflix.curator.framework.imps.TestMultiClient.java

Source

/*
 *
 *  Copyright 2011 Netflix, Inc.
 *
 *     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 com.netflix.curator.framework.imps;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import org.apache.commons.io.IOUtils;
import org.apache.zookeeper.Watcher;
import org.testng.Assert;
import org.testng.annotations.Test;

import com.netflix.curator.framework.CuratorFramework;
import com.netflix.curator.framework.CuratorFrameworkFactory;
import com.netflix.curator.framework.api.CuratorEvent;
import com.netflix.curator.framework.api.CuratorEventType;
import com.netflix.curator.framework.api.CuratorListener;
import com.netflix.curator.retry.RetryOneTime;

public class TestMultiClient extends BaseClassForTests {
    @Test
    public void testNotify() throws Exception {
        CuratorFramework client1 = null;
        CuratorFramework client2 = null;
        try {
            client1 = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
            client2 = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));

            client1.start();
            client2.start();

            final CountDownLatch latch = new CountDownLatch(1);
            client1.getCuratorListenable().addListener(new CuratorListener() {
                @Override
                public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception {
                    if (event.getType() == CuratorEventType.WATCHED) {
                        if (event.getWatchedEvent().getType() == Watcher.Event.EventType.NodeDataChanged) {
                            if (event.getPath().equals("/test")) {
                                latch.countDown();
                            }
                        }
                    }
                }
            });

            client1.create().forPath("/test", new byte[] { 1, 2, 3 });
            client1.checkExists().watched().forPath("/test");

            client2.getCuratorListenable().addListener(new CuratorListener() {
                @Override
                public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception {
                    if (event.getType() == CuratorEventType.SYNC) {
                        client.setData().forPath("/test", new byte[] { 10, 20 });
                    }
                }
            });

            client2.sync("/test", null);

            Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
        } finally {
            IOUtils.closeQuietly(client1);
            IOUtils.closeQuietly(client2);
        }
    }
}