com.hazelcast.collection.common.DataAwareItemEvent Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2015, 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.collection.common;
import com.hazelcast.core.ItemEvent;
import com.hazelcast.core.ItemEventType;
import com.hazelcast.core.Member;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.internal.serialization.SerializationService;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectOutputStream;
/**
* An {@link ItemEvent} that is able to store a {@link Data}.
*/
public class DataAwareItemEvent extends ItemEvent {
private static final long serialVersionUID = 1;
private final transient Data dataItem;
private final transient SerializationService serializationService;
public DataAwareItemEvent(String name, ItemEventType itemEventType, Data dataItem, Member member,
SerializationService serializationService) {
super(name, itemEventType, null, member);
this.dataItem = dataItem;
this.serializationService = serializationService;
}
@Override
public Object getItem() {
if (item == null && dataItem != null) {
item = serializationService.toObject(dataItem);
}
return item;
}
public Data getItemData() {
return dataItem;
}
private void writeObject(ObjectOutputStream out) throws IOException {
throw new NotSerializableException();
}
}