| /* |
| * 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.processors.cache.mvcc; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.events.Event; |
| import org.apache.ignite.internal.IgniteEx; |
| import org.apache.ignite.lang.IgnitePredicate; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.Test; |
| |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| import static org.apache.ignite.events.EventType.EVT_NODE_JOINED; |
| import static org.apache.ignite.internal.processors.cache.mvcc.MvccCoordinator.DISCONNECTED_COORDINATOR; |
| import static org.apache.ignite.testframework.GridTestUtils.waitForCondition; |
| |
| /** |
| * Tests Mvcc coordinator change on client reconnect. |
| */ |
| public class CacheMvccClientReconnectTest extends GridCommonAbstractTest { |
| /** */ |
| final CountDownLatch latch = new CountDownLatch(1); |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); |
| |
| if (igniteInstanceName.contains("client")) { |
| Map<IgnitePredicate<? extends Event>, int[]> lsnrs = new HashMap<>(); |
| |
| lsnrs.put(new IgnitePredicate<Event>() { |
| @Override public boolean apply(Event evt) { |
| try { |
| // Wait for the discovery notifier worker processed client disconnection. |
| latch.await(); |
| } |
| catch (InterruptedException e) { |
| log.error("Unexpected exception.", e); |
| |
| fail("Unexpected exception: " + e.getMessage()); |
| } |
| |
| return true; |
| } |
| }, new int[] {EVT_NODE_JOINED}); |
| |
| cfg.setLocalEventListeners(lsnrs); |
| } |
| |
| return cfg; |
| } |
| |
| /** |
| * Checks that events processed after client disconnect will not change coordinator until client reconnected. |
| * |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testClientReconnect() throws Exception { |
| startGrid(0); |
| |
| IgniteEx client = startClientGrid("client"); |
| |
| MvccProcessor coordProc = client.context().coordinators(); |
| |
| // Creates the join event. |
| startGrid(1); |
| |
| stopGrid(0, true); |
| stopGrid(1, true); |
| |
| client.context().discovery().reconnect(); |
| |
| // Wait for the discovery notifier worker processed client disconnection. |
| assertTrue("Failed to wait for client disconnected.", |
| waitForCondition(() -> client.cluster().clientReconnectFuture() != null, 10_000)); |
| |
| assertTrue("Failed to wait for setting disconnected coordinator.", waitForCondition( |
| () -> DISCONNECTED_COORDINATOR.equals(coordProc.currentCoordinator()), 2000)); |
| |
| // The discovery event thread may continue processing events when the notifier worker already processed |
| // the client disconnection or a local join. It may lead to setting a wrong coordinator. |
| latch.countDown(); |
| |
| startGrid(0); |
| |
| client.cluster().clientReconnectFuture().get(10, SECONDS); |
| |
| assertEquals(grid(0).localNode().id(), coordProc.currentCoordinator().nodeId()); |
| } |
| } |