/*
* Copyright (c) 2008-2013, 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.list;
import com.hazelcast.collection.CollectionDataSerializerHook;
import com.hazelcast.collection.CollectionItem;
import com.hazelcast.collection.CollectionBackupAwareOperation;
import com.hazelcast.core.ItemEventType;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.Operation;
import java.io.IOException;
/**
* @ali 8/31/13
*/
public class ListSetOperation extends CollectionBackupAwareOperation {
private int index;
private Data value;
private long itemId = -1;
private long oldItemId = -1;
public ListSetOperation() {
}
public ListSetOperation(String name, int index, Data value) {
super(name);
this.index = index;
this.value = value;
}
@Override
public boolean shouldBackup() {
return true;
}
@Override
public Operation getBackupOperation() {
return new ListSetBackupOperation(name, oldItemId, itemId, value);
}
@Override
public int getId() {
return CollectionDataSerializerHook.LIST_SET;
}
@Override
public void beforeRun() throws Exception {
}
@Override
public void run() throws Exception {
final ListContainer container = getOrCreateListContainer();
itemId = container.nextId();
final CollectionItem item = container.set(index, itemId, value);
oldItemId = item.getItemId();
response = item.getValue();
}
@Override
public void afterRun() throws Exception {
publishEvent(ItemEventType.REMOVED, (Data)response);
publishEvent(ItemEventType.ADDED, value);
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeInt(index);
value.writeData(out);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
index = in.readInt();
value = new Data();
value.readData(in);
}
}