| /* |
| * 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.solr.client.solrj.routing; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.solr.SolrTestCaseJ4; |
| import org.apache.solr.common.cloud.Replica; |
| import org.apache.solr.common.cloud.ZkStateReader; |
| import org.apache.solr.common.params.ModifiableSolrParams; |
| import org.apache.solr.common.params.ShardParams; |
| import org.junit.Test; |
| |
| public class RequestReplicaListTransformerGeneratorTest extends SolrTestCaseJ4 { |
| |
| @Test |
| public void testNodePreferenceRulesBase() { |
| RequestReplicaListTransformerGenerator generator = new RequestReplicaListTransformerGenerator(); |
| ModifiableSolrParams params = new ModifiableSolrParams(); |
| List<Replica> replicas = getBasicReplicaList(); |
| |
| String rulesParam = ShardParams.SHARDS_PREFERENCE_REPLICA_BASE + ":stable:dividend:routingPreference"; |
| |
| params.add("routingPreference", "0"); |
| params.add(ShardParams.SHARDS_PREFERENCE, rulesParam); |
| |
| ReplicaListTransformer rlt = generator.getReplicaListTransformer(params); |
| rlt.transform(replicas); |
| assertEquals("node1", getHost(replicas.get(0).getNodeName())); |
| assertEquals("node2", getHost(replicas.get(1).getNodeName())); |
| assertEquals("node3", getHost(replicas.get(2).getNodeName())); |
| |
| params.set("routingPreference", "1"); |
| rlt = generator.getReplicaListTransformer(params); |
| rlt.transform(replicas); |
| assertEquals("node2", getHost(replicas.get(0).getNodeName())); |
| assertEquals("node3", getHost(replicas.get(1).getNodeName())); |
| assertEquals("node1", getHost(replicas.get(2).getNodeName())); |
| |
| params.set("routingPreference", "2"); |
| rlt = generator.getReplicaListTransformer(params); |
| rlt.transform(replicas); |
| assertEquals("node3", getHost(replicas.get(0).getNodeName())); |
| assertEquals("node1", getHost(replicas.get(1).getNodeName())); |
| assertEquals("node2", getHost(replicas.get(2).getNodeName())); |
| |
| params.set("routingPreference", "3"); |
| rlt = generator.getReplicaListTransformer(params); |
| rlt.transform(replicas); |
| assertEquals("node1", getHost(replicas.get(0).getNodeName())); |
| assertEquals("node2", getHost(replicas.get(1).getNodeName())); |
| assertEquals("node3", getHost(replicas.get(2).getNodeName())); |
| } |
| |
| private String getHost(final String nodeName) { |
| final int colonAt = nodeName.indexOf(':'); |
| return colonAt != -1 ? nodeName.substring(0,colonAt) : nodeName.substring(0, nodeName.indexOf('_')); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void replicaTypeAndReplicaBase() { |
| RequestReplicaListTransformerGenerator generator = new RequestReplicaListTransformerGenerator(); |
| ModifiableSolrParams params = new ModifiableSolrParams(); |
| List<Replica> replicas = getBasicReplicaList(); |
| |
| // Add a replica so that sorting by replicaType:TLOG can cause a tie |
| replicas.add( |
| new Replica( |
| "node4", |
| map( |
| ZkStateReader.NODE_NAME_PROP, "node4:8983_solr", |
| ZkStateReader.CORE_NAME_PROP, "collection1", |
| ZkStateReader.REPLICA_TYPE, "TLOG" |
| ), "c1","s1" |
| ) |
| ); |
| |
| // Add a PULL replica so that there's a tie for "last place" |
| replicas.add( |
| new Replica( |
| "node5", |
| map( |
| ZkStateReader.NODE_NAME_PROP, "node5:8983_solr", |
| ZkStateReader.CORE_NAME_PROP, "collection1", |
| ZkStateReader.REPLICA_TYPE, "PULL" |
| ), "c1","s1" |
| ) |
| ); |
| |
| // replica leader status, replicaType and replicaBase combined rule param |
| String rulesParam = ShardParams.SHARDS_PREFERENCE_REPLICA_LEADER + ":true," + |
| ShardParams.SHARDS_PREFERENCE_REPLICA_TYPE + ":NRT," + |
| ShardParams.SHARDS_PREFERENCE_REPLICA_TYPE + ":TLOG," + |
| ShardParams.SHARDS_PREFERENCE_REPLICA_BASE + ":stable:dividend:routingPreference"; |
| |
| params.add("routingPreference", "0"); |
| params.add(ShardParams.SHARDS_PREFERENCE, rulesParam); |
| ReplicaListTransformer rlt = generator.getReplicaListTransformer(params); |
| rlt.transform(replicas); |
| assertEquals("node1", getHost(replicas.get(0).getNodeName())); |
| assertEquals("node2", getHost(replicas.get(1).getNodeName())); |
| assertEquals("node4", getHost(replicas.get(2).getNodeName())); |
| assertEquals("node3", getHost(replicas.get(3).getNodeName())); |
| assertEquals("node5", getHost(replicas.get(4).getNodeName())); |
| |
| params.set("routingPreference", "1"); |
| rlt = generator.getReplicaListTransformer(params); |
| rlt.transform(replicas); |
| assertEquals("node1", getHost(replicas.get(0).getNodeName())); |
| assertEquals("node4", getHost(replicas.get(1).getNodeName())); |
| assertEquals("node2", getHost(replicas.get(2).getNodeName())); |
| assertEquals("node5", getHost(replicas.get(3).getNodeName())); |
| assertEquals("node3", getHost(replicas.get(4).getNodeName())); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static List<Replica> getBasicReplicaList() { |
| List<Replica> replicas = new ArrayList<Replica>(); |
| replicas.add( |
| new Replica( |
| "node1", |
| map( |
| ZkStateReader.NODE_NAME_PROP, "node1:8983_solr", |
| ZkStateReader.CORE_NAME_PROP, "collection1", |
| ZkStateReader.REPLICA_TYPE, "NRT" |
| ),"c1","s1" |
| ) |
| ); |
| replicas.add( |
| new Replica( |
| "node2", |
| map( |
| ZkStateReader.NODE_NAME_PROP, "node2:8983_solr", |
| ZkStateReader.CORE_NAME_PROP, "collection1", |
| ZkStateReader.REPLICA_TYPE, "TLOG" |
| ),"c1","s1" |
| ) |
| ); |
| replicas.add( |
| new Replica( |
| "node3", |
| map( |
| ZkStateReader.NODE_NAME_PROP, "node3:8983_solr", |
| ZkStateReader.CORE_NAME_PROP, "collection1", |
| ZkStateReader.REPLICA_TYPE, "PULL" |
| ),"c1","s1" |
| ) |
| ); |
| return replicas; |
| } |
| } |