| /* |
| * 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.session; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.IgniteLogger; |
| import org.apache.ignite.compute.ComputeJob; |
| import org.apache.ignite.compute.ComputeJobAdapter; |
| import org.apache.ignite.compute.ComputeJobResult; |
| import org.apache.ignite.compute.ComputeJobResultPolicy; |
| import org.apache.ignite.compute.ComputeTaskFuture; |
| import org.apache.ignite.compute.ComputeTaskSession; |
| import org.apache.ignite.compute.ComputeTaskSessionFullSupport; |
| import org.apache.ignite.compute.ComputeTaskSplitAdapter; |
| import org.apache.ignite.internal.util.typedef.G; |
| import org.apache.ignite.resources.LoggerResource; |
| import org.apache.ignite.resources.TaskSessionResource; |
| import org.apache.ignite.testframework.GridTestUtils; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.testframework.junits.common.GridCommonTest; |
| import org.junit.Test; |
| |
| /** |
| * |
| */ |
| @GridCommonTest(group = "Task Session") |
| public class GridSessionSetTaskAttributeSelfTest extends GridCommonAbstractTest { |
| /** */ |
| public static final int SPLIT_COUNT = 5; |
| |
| /** */ |
| public static final int EXEC_COUNT = 5; |
| |
| /** */ |
| public GridSessionSetTaskAttributeSelfTest() { |
| super(true); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| @Test |
| public void testSetAttribute() throws Exception { |
| Ignite ignite = G.ignite(getTestIgniteInstanceName()); |
| |
| ignite.compute().localDeployTask(GridTaskSessionTestTask.class, GridTaskSessionTestTask.class.getClassLoader()); |
| |
| for (int i = 0; i < EXEC_COUNT; i++) |
| checkTask(i); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| @Test |
| public void testMultiThreaded() throws Exception { |
| Ignite ignite = G.ignite(getTestIgniteInstanceName()); |
| |
| ignite.compute().localDeployTask(GridTaskSessionTestTask.class, GridTaskSessionTestTask.class.getClassLoader()); |
| |
| final GridThreadSerialNumber sNum = new GridThreadSerialNumber(); |
| |
| final AtomicBoolean failed = new AtomicBoolean(false); |
| |
| GridTestUtils.runMultiThreaded(new Runnable() { |
| @Override public void run() { |
| int num = sNum.get(); |
| |
| try { |
| checkTask(num); |
| } |
| catch (Throwable e) { |
| error("Failed to execute task.", e); |
| |
| failed.set(true); |
| } |
| } |
| }, EXEC_COUNT, "grid-session-test"); |
| |
| if (failed.get()) |
| fail(); |
| } |
| |
| /** |
| * @param num Number. |
| */ |
| private void checkTask(int num) { |
| Ignite ignite = G.ignite(getTestIgniteInstanceName()); |
| |
| ComputeTaskFuture<?> fut = ignite.compute().executeAsync(GridTaskSessionTestTask.class.getName(), num); |
| |
| Object res = fut.get(); |
| |
| assert (Integer)res == SPLIT_COUNT : "Invalid result [num=" + num + ", fut=" + fut + ']'; |
| } |
| |
| /** |
| * |
| */ |
| @ComputeTaskSessionFullSupport |
| private static class GridTaskSessionTestTask extends ComputeTaskSplitAdapter<Serializable, Integer> { |
| /** */ |
| @LoggerResource |
| private IgniteLogger log; |
| |
| /** */ |
| @TaskSessionResource |
| private ComputeTaskSession taskSes; |
| |
| /** {@inheritDoc} */ |
| @Override protected Collection<? extends ComputeJob> split(int gridSize, Serializable arg) { |
| assert taskSes != null; |
| |
| if (log.isInfoEnabled()) |
| log.info("Splitting job [job=" + this + ", gridSize=" + gridSize + ", arg=" + arg + ']'); |
| |
| Collection<ComputeJob> jobs = new ArrayList<>(SPLIT_COUNT); |
| |
| for (int i = 1; i <= SPLIT_COUNT; i++) { |
| jobs.add(new ComputeJobAdapter(i) { |
| @Override public Serializable execute() { |
| assert taskSes != null; |
| |
| if (log.isInfoEnabled()) |
| log.info("Computing job [job=" + this + ", arg=" + argument(0) + ']'); |
| |
| try { |
| String val = (String)taskSes.waitForAttribute("testName", 20000); |
| |
| if (log.isInfoEnabled()) |
| log.info("Received attribute 'testName': " + val); |
| |
| if ("testVal".equals(val)) |
| return 1; |
| } |
| catch (InterruptedException e) { |
| throw new IgniteException("Failed to get attribute due to interruption.", e); |
| } |
| |
| return 0; |
| } |
| }); |
| } |
| |
| if (log.isInfoEnabled()) |
| log.info("Set attribute 'testName'."); |
| |
| taskSes.setAttribute("testName", "testVal"); |
| |
| return jobs; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ComputeJobResultPolicy result(ComputeJobResult res, List<ComputeJobResult> received) { |
| if (res.getException() != null) |
| throw res.getException(); |
| |
| if (log.isInfoEnabled()) { |
| log.info("Received result from job [res=" + res + ", size=" + received.size() + |
| ", received=" + received + ']'); |
| } |
| |
| return received.size() == SPLIT_COUNT ? ComputeJobResultPolicy.REDUCE : ComputeJobResultPolicy.WAIT; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Integer reduce(List<ComputeJobResult> results) { |
| if (log.isInfoEnabled()) |
| log.info("Reducing job [job=" + this + ", results=" + results + ']'); |
| |
| if (results.size() < SPLIT_COUNT) |
| fail(); |
| |
| int sum = 0; |
| |
| for (ComputeJobResult result : results) { |
| if (result.getData() != null) |
| sum += (Integer)result.getData(); |
| } |
| |
| return sum; |
| } |
| } |
| } |