/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.client.executor.durable;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.durableexecutor.DurableExecutorService;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.NightlyTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category(NightlyTest.class)
public class ClientDurableExecutionDelayTest extends HazelcastTestSupport {
private static final int CLUSTER_SIZE = 3;
private static final AtomicInteger COUNTER = new AtomicInteger();
private final List<HazelcastInstance> instances = new ArrayList<HazelcastInstance>(CLUSTER_SIZE);
private TestHazelcastFactory hazelcastFactory;
@Before
public void setup() {
hazelcastFactory = new TestHazelcastFactory();
for (int i = 0; i < CLUSTER_SIZE; i++) {
instances.add(hazelcastFactory.newHazelcastInstance());
}
}
@After
public void tearDown() {
hazelcastFactory.shutdownAll();
}
@Test
public void testExecutorRetriesTask_whenOneNodeTerminates() throws Exception {
final int taskCount = 20;
ScheduledExecutorService ex = Executors.newSingleThreadScheduledExecutor();
try {
ex.schedule(new Runnable() {
@Override
public void run() {
instances.get(1).getLifecycleService().terminate();
}
}, 1000, TimeUnit.MILLISECONDS);
Task task = new Task();
runClient(task, taskCount);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
final int taskExecutions = COUNTER.get();
assertTrue(taskExecutions >= taskCount);
}
});
} finally {
ex.shutdown();
}
}
@Test
public void testExecutorRetriesTask_whenOneNodeShutdowns() throws Exception {
final int taskCount = 20;
ScheduledExecutorService ex = Executors.newSingleThreadScheduledExecutor();
try {
ex.schedule(new Runnable() {
@Override
public void run() {
instances.get(1).shutdown();
}
}, 1000, TimeUnit.MILLISECONDS);
Task task = new Task();
runClient(task, taskCount);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
final int taskExecutions = COUNTER.get();
assertTrue(taskExecutions >= taskCount);
}
});
} finally {
ex.shutdown();
}
}
private void runClient(Task task, int executions) throws Exception {
ClientConfig clientConfig = new ClientConfig();
clientConfig.getNetworkConfig().setRedoOperation(true);
HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
DurableExecutorService executor = client.getDurableExecutorService("executor");
for (int i = 0; i < executions; i++) {
Future future = executor.submitToKeyOwner(task, i);
future.get();
Thread.sleep(100);
}
}
public static class Task implements Callable, Serializable {
public Task() {
}
@Override
public Object call() throws Exception {
COUNTER.incrementAndGet();
return null;
}
@Override
public String toString() {
return "Task{}";
}
}
}