Package com.hazelcast.multimap.operations

Source Code of com.hazelcast.multimap.operations.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.multimap.operations;

import com.hazelcast.multimap.MultiMapDataSerializerHook;
import com.hazelcast.multimap.MultiMapRecord;
import com.hazelcast.nio.IOUtil;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.BackupOperation;

import java.io.IOException;
import java.util.Collection;
import java.util.List;

/**
* @author ali 1/16/13
*/
public class PutBackupOperation extends MultiMapKeyBasedOperation implements BackupOperation {

    long recordId;

    Data value;

    int index;

    public PutBackupOperation() {
    }

    public PutBackupOperation(String name, Data dataKey, Data value, long recordId, int index) {
        super(name, dataKey);
        this.value = value;
        this.recordId = recordId;
        this.index = index;
    }

    public void run() throws Exception {

        MultiMapRecord record = new MultiMapRecord(recordId, isBinary() ? value : toObject(value));
        Collection<MultiMapRecord> coll = getOrCreateCollectionWrapper().getCollection(false);
        if (index == -1) {
            response = coll.add(record);
        } else {
            try {
                ((List<MultiMapRecord>) coll).add(index, record);
                response = true;
            } catch (IndexOutOfBoundsException e) {
                response = e;
            }
        }
    }

    protected void writeInternal(ObjectDataOutput out) throws IOException {
        super.writeInternal(out);
        out.writeLong(recordId);
        out.writeInt(index);
        value.writeData(out);
    }

    protected void readInternal(ObjectDataInput in) throws IOException {
        super.readInternal(in);
        recordId = in.readLong();
        index = in.readInt();
        value = IOUtil.readData(in);
    }

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