| /* |
| * 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.managers.communication; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.UUID; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.compute.ComputeJob; |
| import org.apache.ignite.compute.ComputeJobAdapter; |
| import org.apache.ignite.compute.ComputeJobResult; |
| import org.apache.ignite.compute.ComputeTaskSplitAdapter; |
| import org.apache.ignite.internal.util.typedef.G; |
| import org.apache.ignite.internal.util.typedef.P2; |
| import org.apache.ignite.resources.IgniteInstanceResource; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.testframework.junits.common.GridCommonTest; |
| import org.junit.Test; |
| |
| /** |
| * Grid communication manager self test. |
| */ |
| @GridCommonTest(group = "Kernal Self") |
| public class GridCommunicationManagerListenersSelfTest extends GridCommonAbstractTest { |
| /** */ |
| public GridCommunicationManagerListenersSelfTest() { |
| super(true); |
| } |
| |
| /** |
| * Works fine. |
| */ |
| @Test |
| public void testDifferentListeners() { |
| Ignite ignite = G.ignite(getTestIgniteInstanceName()); |
| |
| for (int i = 0; i < 2000; i++) { |
| P2<UUID, Object> l = new P2<UUID, Object>() { |
| @Override public boolean apply(UUID uuid, Object o) { |
| return false; |
| } |
| }; |
| |
| ignite.message().localListen(null, l); |
| } |
| |
| info(getName() + ": worked without exceptions."); |
| } |
| |
| |
| /** |
| * Fails on the 1001st time. |
| */ |
| @Test |
| public void testMultipleExecutionsWithoutListeners() { |
| checkLoop(1001); |
| } |
| |
| /** |
| * This is the workaround- as long as we keep a message listener in |
| * the stack, our FIFO bug isn't exposed. Comment above out to see. |
| */ |
| @Test |
| public void testOneListener() { |
| Ignite ignite = G.ignite(getTestIgniteInstanceName()); |
| |
| final AtomicBoolean stop = new AtomicBoolean(); |
| |
| P2<UUID, Object> l = new P2<UUID, Object>() { |
| @Override public boolean apply(UUID uuid, Object o) { |
| return stop.get(); |
| } |
| }; |
| |
| try { |
| ignite.message().localListen(null, l); |
| |
| checkLoop(2000); |
| } |
| finally { |
| stop.set(true); |
| } |
| } |
| |
| /** |
| * Now, our test will fail on the first message added after our safety |
| * message listener has been removed. |
| */ |
| @Test |
| public void testSingleExecutionWithoutListeners() { |
| checkLoop(1); |
| } |
| |
| /** |
| * @param cnt Iteration count. |
| */ |
| private void checkLoop(int cnt) { |
| for (int i = 1; i <= cnt; i++) { |
| MessageListeningTask t = new MessageListeningTask(); |
| |
| try { |
| G.ignite(getTestIgniteInstanceName()).compute().execute(t.getClass(), null); |
| } |
| catch (IgniteException e) { |
| assert false : "Failed to execute task [iteration=" + i + ", err=" + e.getMessage() + ']'; |
| } |
| |
| if (i % 100 == 0) |
| info(getName() + ": through " + i); |
| } |
| } |
| |
| /** |
| * |
| */ |
| private static class MessageListeningTask extends ComputeTaskSplitAdapter<Object, Object> |
| implements GridMessageListener { |
| /** */ |
| @IgniteInstanceResource |
| private transient Ignite ignite; |
| |
| /** */ |
| private AtomicBoolean stop = new AtomicBoolean(); |
| |
| /** {@inheritDoc} */ |
| @Override public Collection<? extends ComputeJob> split(int gridSize, Object arg) { |
| ignite.message().localListen(null, new P2<UUID, Object>() { |
| @Override public boolean apply(UUID uuid, Object o) { |
| return stop.get(); |
| } |
| }); |
| |
| return Arrays.asList(new ComputeJobAdapter() { |
| @Override public Object execute() { |
| return null; |
| } |
| }); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object reduce(List<ComputeJobResult> results) { |
| stop.set(true); |
| |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onMessage(UUID nodeId, Object msg, byte plc) { |
| // No-op. |
| } |
| } |
| } |