Package com.hazelcast.map.operation

Source Code of com.hazelcast.map.operation.PutBackupOperation

/*
* 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.map.operation;

import com.hazelcast.map.MapDataSerializerHook;
import com.hazelcast.map.record.Record;
import com.hazelcast.map.record.RecordInfo;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.spi.BackupOperation;

import java.io.IOException;

public final class PutBackupOperation extends KeyBasedMapOperation implements BackupOperation, IdentifiedDataSerializable {

    // todo unlockKey is a logic just used in transactional put operations. It complicates here there should be another Operation for that logic. e.g. TxnSetBackup
    private boolean unlockKey = false;
    private RecordInfo recordInfo;

    public PutBackupOperation(String name, Data dataKey, Data dataValue, RecordInfo recordInfo) {
        super(name, dataKey, dataValue);
        this.recordInfo = recordInfo;
    }

    public PutBackupOperation(String name, Data dataKey, Data dataValue, RecordInfo recordInfo, boolean unlockKey) {
        super(name, dataKey, dataValue);
        this.unlockKey = unlockKey;
        this.recordInfo = recordInfo;
    }

    public PutBackupOperation() {
    }

    public void run() {
        final Record record = recordStore.putBackup(dataKey, dataValue, ttl, false);
        if(recordInfo != null) {
            mapService.applyRecordInfo(record, name, recordInfo);
        }
        if (unlockKey) {
            recordStore.forceUnlock(dataKey);
        }
    }

    @Override
    public Object getResponse() {
        return Boolean.TRUE;
    }

    protected void writeInternal(ObjectDataOutput out) throws IOException {
        super.writeInternal(out);
        out.writeBoolean(unlockKey);
        recordInfo.writeData(out);
    }

    protected void readInternal(ObjectDataInput in) throws IOException {
        super.readInternal(in);
        unlockKey = in.readBoolean();
        recordInfo = new RecordInfo();
        recordInfo.readData(in);
    }

    @Override
    public String toString() {
        return "PutBackupOperation{" + name + "}";
    }

    public int getFactoryId() {
        return MapDataSerializerHook.F_ID;
    }

    public int getId() {
        return MapDataSerializerHook.PUT_BACKUP;
    }

    private void updateSizeEstimator( long recordSize ) {
        recordStore.getSizeEstimator().add( recordSize );
    }

    private long calculateRecordSize( Record record ) {
        return recordStore.getSizeEstimator().getCost(record);
    }

}
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