/*
* 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.util.executor;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IExecutorService;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import java.io.Serializable;
import java.util.concurrent.Callable;
import java.util.concurrent.CancellationException;
@RunWith(HazelcastSerialClassRunner.class)
@Category(QuickTest.class)
public class CancellableDelegatingFutureTest extends HazelcastTestSupport {
@Rule
public ExpectedException expected = ExpectedException.none();
@Test
public void testInnerFutureThrowsCancellationExceptionWhenOuterFutureIsCancelled() throws Exception {
final TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(1);
final HazelcastInstance instance = factory.newHazelcastInstance();
IExecutorService executorService = instance.getExecutorService(randomString());
final CompletesOnInterruptionCallable callable = new CompletesOnInterruptionCallable();
final DelegatingFuture<Boolean> future = (DelegatingFuture<Boolean>) executorService.submit(callable);
if (future.cancel(true)) {
expected.expect(CancellationException.class);
future.getFuture().get();
}
}
static class CompletesOnInterruptionCallable implements Callable<Boolean>, Serializable {
@Override
public Boolean call() throws Exception {
while (true) {
try {
Thread.sleep(1);
} catch (InterruptedException e) {
return Boolean.TRUE;
}
}
}
}
}