/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.map.impl.query;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.query.Predicate;
import com.hazelcast.query.Predicates;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.Map;
import java.util.concurrent.ExecutionException;
import static com.hazelcast.util.IterationType.ENTRY;
import static com.hazelcast.util.IterationType.KEY;
import static com.hazelcast.util.IterationType.VALUE;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastSerialClassRunner.class)
@Category({QuickTest.class})
public class MapQueryEngineImplTest extends HazelcastTestSupport {
private HazelcastInstance instance;
private IMap<String, String> map;
private MapQueryEngine queryEngine;
private int partitionId;
private String key;
private String value;
@Before
public void before() {
instance = createHazelcastInstance();
map = instance.getMap(randomName());
MapService mapService = getNodeEngineImpl(instance).getService(MapService.SERVICE_NAME);
queryEngine = mapService.getMapServiceContext().getMapQueryEngine(map.getName());
partitionId = 100;
key = generateKeyForPartition(instance, partitionId);
value = randomString();
map.put(key, value);
}
@After
public void after() {
if (instance != null) {
instance.shutdown();
}
}
@Test
public void runQueryOnAllPartitions() throws ExecutionException, InterruptedException {
Predicate predicate = Predicates.equal("this", value);
Query query = Query.of().mapName(map.getName()).predicate(predicate).iterationType(KEY).build();
QueryResult result = queryEngine.execute(query, Target.ALL_NODES);
assertEquals(1, result.size());
assertEquals(key, toObject(result.iterator().next().getKey()));
}
@Test
public void runQueryOnLocalPartitions() throws ExecutionException, InterruptedException {
Predicate predicate = Predicates.equal("this", value);
Query query = Query.of().mapName(map.getName()).predicate(predicate).iterationType(KEY).build();
QueryResult result = queryEngine.execute(query, Target.LOCAL_NODE);
assertEquals(1, result.size());
assertEquals(key, toObject(result.iterator().next().getKey()));
}
@Test
public void runQueryOnAllPartitions_key() throws ExecutionException, InterruptedException {
Predicate predicate = Predicates.equal("this", value);
Query query = Query.of().mapName(map.getName()).predicate(predicate).iterationType(KEY).build();
QueryResult result = queryEngine.execute(query, Target.ALL_NODES);
assertEquals(1, result.size());
assertEquals(key, toObject(result.iterator().next().getKey()));
}
@Test
public void runQueryOnAllPartitions_value() throws ExecutionException, InterruptedException {
Predicate predicate = Predicates.equal("this", value);
Query query = Query.of().mapName(map.getName()).predicate(predicate).iterationType(VALUE).build();
QueryResult result = queryEngine.execute(query, Target.ALL_NODES);
assertEquals(1, result.size());
assertEquals(value, toObject(result.iterator().next().getValue()));
}
@Test
public void runQueryOnGivenPartition() throws ExecutionException, InterruptedException {
Predicate predicate = Predicates.equal("this", value);
Query query = Query.of().mapName(map.getName()).predicate(predicate).iterationType(ENTRY).build();
QueryResult result = queryEngine.execute(query, Target.of().partitionOwner(partitionId).build());
assertEquals(1, result.size());
assertEquals(key, toObject(((Map.Entry) result.iterator().next()).getKey()));
assertEquals(map.get(key), toObject(((Map.Entry) result.iterator().next()).getValue()));
}
private Object toObject(Object data) {
return getSerializationService(instance).toObject(data);
}
}