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* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.action.support;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.common.util.concurrent.AbstractRunnable;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.Transports;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
public class ListenableActionFutureTests extends ESTestCase {
public void testListenerIsCallableFromNetworkThreads() throws Throwable {
ThreadPool threadPool = new ThreadPool("testListenerIsCallableFromNetworkThreads");
try {
final PlainListenableActionFuture<Object> future = new PlainListenableActionFuture<>(threadPool);
final CountDownLatch listenerCalled = new CountDownLatch(1);
final AtomicReference<Throwable> error = new AtomicReference<>();
final Object response = new Object();
future.addListener(new ActionListener<Object>() {
@Override
public void onResponse(Object o) {
listenerCalled.countDown();
}
@Override
public void onFailure(Throwable e) {
error.set(e);
listenerCalled.countDown();
}
});
Thread networkThread = new Thread(new AbstractRunnable() {
@Override
public void onFailure(Throwable t) {
error.set(t);
listenerCalled.countDown();
}
@Override
protected void doRun() throws Exception {
future.onResponse(response);
}
}, Transports.TEST_MOCK_TRANSPORT_THREAD_PREFIX + "_testListenerIsCallableFromNetworkThread");
networkThread.start();
networkThread.join();
listenerCalled.await();
if (error.get() != null) {
throw error.get();
}
} finally {
ThreadPool.terminate(threadPool, 10, TimeUnit.SECONDS);
}
}
}