| /* |
| * 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.ignite.internal; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.compute.ComputeJob; |
| import org.apache.ignite.compute.ComputeJobAdapter; |
| import org.apache.ignite.compute.ComputeJobResult; |
| import org.apache.ignite.compute.ComputeTaskFuture; |
| import org.apache.ignite.compute.ComputeTaskSplitAdapter; |
| import org.apache.ignite.internal.util.typedef.CI1; |
| import org.apache.ignite.internal.util.typedef.G; |
| import org.apache.ignite.lang.IgniteFuture; |
| import org.apache.ignite.lang.IgniteInClosure; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.testframework.junits.common.GridCommonTest; |
| import org.junit.Test; |
| |
| /** |
| * This test checks that GridTaskListener is only called once per task. |
| */ |
| @GridCommonTest(group = "Kernal Self") |
| public class GridTaskListenerSelfTest extends GridCommonAbstractTest { |
| /** */ |
| public GridTaskListenerSelfTest() { |
| super(/*start grid*/true); |
| } |
| |
| /** |
| * Checks that GridTaskListener is only called once per task. |
| * |
| * @throws Exception If failed. |
| */ |
| @SuppressWarnings({"BusyWait"}) |
| @Test |
| public void testGridTaskListener() throws Exception { |
| final AtomicInteger cnt = new AtomicInteger(0); |
| |
| IgniteInClosure<IgniteFuture<?>> lsnr = new CI1<IgniteFuture<?>>() { |
| @Override public void apply(IgniteFuture<?> fut) { |
| assert fut != null; |
| |
| cnt.incrementAndGet(); |
| } |
| }; |
| |
| Ignite ignite = G.ignite(getTestIgniteInstanceName()); |
| |
| assert ignite != null; |
| |
| ignite.compute().localDeployTask(TestTask.class, TestTask.class.getClassLoader()); |
| |
| ComputeTaskFuture<?> fut = executeAsync(ignite.compute(), TestTask.class.getName(), null); |
| |
| fut.listen(lsnr); |
| |
| fut.get(); |
| |
| while (cnt.get() == 0) { |
| try { |
| Thread.sleep(1000); |
| } |
| catch (InterruptedException e) { |
| error("Got interrupted while sleep.", e); |
| |
| break; |
| } |
| } |
| |
| assert cnt.get() == 1 : "Unexpected GridTaskListener apply count [count=" + cnt.get() + ", expected=1]"; |
| } |
| |
| /** Test task. */ |
| private static class TestTask extends ComputeTaskSplitAdapter<Serializable, Object> { |
| /** {@inheritDoc} */ |
| @Override protected Collection<? extends ComputeJob> split(int gridSize, Serializable arg) { |
| Collection<ComputeJobAdapter> jobs = new ArrayList<>(); |
| |
| for (int i = 0; i < 5; i++) { |
| jobs.add(new ComputeJobAdapter() { |
| @Override public Serializable execute() { |
| return 1; |
| } |
| }); |
| } |
| |
| return jobs; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object reduce(List<ComputeJobResult> results) { |
| return null; |
| } |
| } |
| } |