com.hazelcast.replicatedmap.impl.operation.MergeOperation 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.replicatedmap.impl.operation;
import com.hazelcast.nio.IOUtil;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.replicatedmap.impl.ReplicatedMapService;
import com.hazelcast.replicatedmap.impl.record.ReplicatedMapEntryView;
import com.hazelcast.replicatedmap.impl.record.ReplicatedRecordStore;
import com.hazelcast.replicatedmap.merge.ReplicatedMapMergePolicy;
import java.io.IOException;
/**
* Merges two replicated map entries with the given merge policy after the split-brain syndrome is recovered.
*/
public class MergeOperation extends AbstractReplicatedMapOperation {
private String name;
private Object key;
private ReplicatedMapEntryView entryView;
private ReplicatedMapMergePolicy policy;
public MergeOperation() {
}
public MergeOperation(String name, Object key, ReplicatedMapEntryView entryView, ReplicatedMapMergePolicy policy) {
this.name = name;
this.key = key;
this.entryView = entryView;
this.policy = policy;
}
@Override
public void run() throws Exception {
ReplicatedMapService service = getService();
ReplicatedRecordStore store = service.getReplicatedRecordStore(name, true, key);
store.merge(key, entryView, policy);
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
out.writeUTF(name);
IOUtil.writeObject(out, key);
out.writeObject(entryView);
out.writeObject(policy);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
name = in.readUTF();
key = IOUtil.readObject(in);
entryView = in.readObject();
policy = in.readObject();
}
}