| /* |
| * 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; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.UUID; |
| import org.apache.ignite.cache.CacheMode; |
| import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction; |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi; |
| import org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder; |
| import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| |
| /** |
| * Tests affinity function with different number of backups. |
| */ |
| public class GridCacheAffinityBackupsSelfTest extends GridCommonAbstractTest { |
| /** */ |
| private final TcpDiscoveryIpFinder ipFinder = new TcpDiscoveryVmIpFinder(true); |
| |
| /** Number of backups. */ |
| private int backups; |
| |
| /** */ |
| private int nodesCnt = 5; |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); |
| |
| ((TcpDiscoverySpi)cfg.getDiscoverySpi()).setIpFinder(ipFinder); |
| |
| CacheConfiguration ccfg = new CacheConfiguration(DEFAULT_CACHE_NAME); |
| |
| ccfg.setCacheMode(CacheMode.PARTITIONED); |
| ccfg.setBackups(backups); |
| ccfg.setAffinity(new RendezvousAffinityFunction()); |
| |
| cfg.setCacheConfiguration(ccfg); |
| |
| return cfg; |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| public void testRendezvousBackups() throws Exception { |
| for (int i = 0; i < nodesCnt; i++) |
| checkBackups(i); |
| } |
| |
| /** |
| * @param backups Number of backups. |
| * @throws Exception If failed. |
| */ |
| private void checkBackups(int backups) throws Exception { |
| this.backups = backups; |
| |
| startGridsMultiThreaded(nodesCnt, true); |
| |
| try { |
| IgniteCache<Object, Object> cache = jcache(0); |
| |
| Collection<UUID> members = new HashSet<>(); |
| |
| for (int i = 0; i < 10000; i++) { |
| Collection<ClusterNode> nodes = affinity(cache).mapKeyToPrimaryAndBackups(i); |
| |
| assertEquals(backups + 1, nodes.size()); |
| |
| for (ClusterNode n : nodes) |
| members.add(n.id()); |
| } |
| |
| assertEquals(nodesCnt, members.size()); |
| } |
| finally { |
| stopAllGrids(); |
| } |
| } |
| } |