/*
* 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;
import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.internal.serialization.impl.DefaultSerializationServiceBuilder;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.DataSerializable;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestJavaSerializationUtils;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.IOException;
import java.io.Serializable;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class LazyMapEntryTest extends HazelcastTestSupport {
private LazyMapEntry entry = new LazyMapEntry();
private InternalSerializationService serializationService = new DefaultSerializationServiceBuilder().build();
@Test
public void testJavaSerialization() throws IOException, ClassNotFoundException {
Data keyData = serializationService.toData("keyData");
Data valueData = serializationService.toData("valueData");
entry.init(serializationService, keyData, valueData, null);
LazyMapEntry copy = TestJavaSerializationUtils.serializeAndDeserialize(entry);
assertEquals(entry, copy);
}
@Test
public void testIdentifiedDataSerializableSerialization() throws IOException, ClassNotFoundException {
Data keyData = serializationService.toData("keyData");
Data valueData = serializationService.toData("valueData");
entry.init(serializationService, keyData, valueData, null);
LazyMapEntry copy = serializationService.toObject(serializationService.toData(entry));
assertEquals(entry, copy);
}
@Test
public void test_init() {
Data keyData = serializationService.toData("keyData");
Data valueData = serializationService.toData("valueData");
entry.init(serializationService, keyData, valueData, null);
Object valueObject = entry.getValue();
entry.init(serializationService, keyData, valueObject, null);
assertTrue("Old valueData should not be here", valueData != entry.getValueData());
}
@Test
public void test_init_doesNotSerializeObject() {
Data key = serializationService.toData("keyData");
MyObject value = new MyObject();
entry.init(serializationService, key, value, null);
assertEquals(0, value.serializedCount);
}
@Test
public void test_init_doesNotDeserializeObject() {
MyObject keyObject = new MyObject();
MyObject valueObject = new MyObject();
Data keyData = serializationService.toData(keyObject);
Data valueData = serializationService.toData(valueObject);
entry.init(serializationService, keyData, valueData, null);
assertEquals(1, keyObject.serializedCount);
assertEquals(1, valueObject.serializedCount);
assertEquals(0, keyObject.deserializedCount);
assertEquals(0, valueObject.deserializedCount);
}
@Test
public void testLazyDeserializationWorks() {
MyObject keyObject = new MyObject();
MyObject valueObject = new MyObject();
Data keyData = serializationService.toData(keyObject);
Data valueData = serializationService.toData(valueObject);
entry.init(serializationService, keyData, valueData, null);
Object key = entry.getKey();
Object value = entry.getValue();
assertInstanceOf(MyObject.class, key);
assertInstanceOf(MyObject.class, value);
assertEquals(1, ((MyObject) key).deserializedCount);
assertEquals(1, ((MyObject) value).deserializedCount);
}
private static class MyObject implements DataSerializable, Serializable {
int serializedCount = 0;
int deserializedCount = 0;
public MyObject() {
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeInt(++serializedCount);
out.writeInt(deserializedCount);
}
@Override
public void readData(ObjectDataInput in) throws IOException {
serializedCount = in.readInt();
deserializedCount = in.readInt() + 1;
}
@Override
public String toString() {
return "MyObject{"
+ "deserializedCount=" + deserializedCount
+ ", serializedCount=" + serializedCount
+ '}';
}
}
}