com.hazelcast.collection.impl.txncollection.operations.CollectionRollbackOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, 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.impl.txncollection.operations;
import com.hazelcast.collection.impl.CollectionTxnUtil;
import com.hazelcast.collection.impl.collection.CollectionContainer;
import com.hazelcast.collection.impl.collection.CollectionDataSerializerHook;
import com.hazelcast.collection.impl.collection.operations.CollectionBackupAwareOperation;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.Operation;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.io.IOException;
public class CollectionRollbackOperation extends CollectionBackupAwareOperation {
private long[] itemIds;
public CollectionRollbackOperation() {
}
@SuppressFBWarnings("EI_EXPOSE_REP")
public CollectionRollbackOperation(int partitionId, String name, String serviceName, long[] itemIds) {
super(name);
setPartitionId(partitionId);
setServiceName(serviceName);
this.itemIds = itemIds;
}
@Override
public boolean shouldBackup() {
return true;
}
@Override
public Operation getBackupOperation() {
return new CollectionRollbackBackupOperation(name, itemIds);
}
@Override
public void run() throws Exception {
CollectionContainer collectionContainer = getOrCreateContainer();
for (long itemId : itemIds) {
if (CollectionTxnUtil.isRemove(itemId)) {
collectionContainer.rollbackRemove(itemId);
} else {
collectionContainer.rollbackAdd(-itemId);
}
}
}
@Override
public int getId() {
return CollectionDataSerializerHook.COLLECTION_ROLLBACK;
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeLongArray(itemIds);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
itemIds = in.readLongArray();
}
}