/*
* 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.client.mapreduce.aggregation;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.config.Config;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.MultiMap;
import com.hazelcast.mapreduce.aggregation.Aggregation;
import com.hazelcast.mapreduce.aggregation.Aggregations;
import com.hazelcast.mapreduce.aggregation.Supplier;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
@Ignore
public class MultiMapAggregationLiteMemberTest extends HazelcastTestSupport {
private TestHazelcastFactory factory;
private HazelcastInstance client;
@Before
public void before() {
factory = new TestHazelcastFactory();
final HazelcastInstance lite = factory.newHazelcastInstance(new Config().setLiteMember(true));
final HazelcastInstance instance1 = factory.newHazelcastInstance();
final HazelcastInstance instance2 = factory.newHazelcastInstance();
assertClusterSize(3, lite, instance2);
assertClusterSizeEventually(3, instance1);
client = factory.newHazelcastClient();
}
@After
public void after() {
factory.terminateAll();
}
@Test(timeout = 60000)
public void testMaxAggregation() {
testMaxAggregation(client);
}
public static void testMaxAggregation(final HazelcastInstance instance) {
final int size = 2000;
List<Integer> numbers = new ArrayList<Integer>(size);
for (int i = 0; i < size; i++) {
numbers.add(i);
}
Collections.shuffle(numbers);
numbers = numbers.subList(0, 1000);
final Integer expected = Collections.max(numbers);
final MultiMap<Integer, Integer> map = instance.getMultiMap(randomMapName());
for (Integer number : numbers) {
map.put(number / 2, number);
}
final Aggregation<Integer, Integer, Integer> maxAggregation = Aggregations.integerMax();
final Integer max = map.aggregate(new ValueSupplier(), maxAggregation);
assertEquals(expected, max);
}
public static class ValueSupplier extends Supplier<Integer, Integer, Integer> implements Serializable {
@Override
public Integer apply(Map.Entry<Integer, Integer> entry) {
return entry.getValue();
}
}
}