com.hazelcast.map.impl.operation.EntryBackupOperation Maven / Gradle / Ivy

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/*
 * Copyright (c) 2008-2020, 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.impl.operation;

import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.HazelcastInstanceAware;
import com.hazelcast.map.EntryProcessor;
import com.hazelcast.map.impl.MapDataSerializerHook;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.internal.serialization.Data;
import com.hazelcast.spi.impl.operationservice.BackupOperation;

import java.io.IOException;

import static com.hazelcast.map.impl.operation.EntryOperator.operator;

/**
 * @see EntryOperation for Offloadable support.
 */
public class EntryBackupOperation extends KeyBasedMapOperation implements BackupOperation {

    private EntryProcessor entryBackupProcessor;

    public EntryBackupOperation() {
    }

    public EntryBackupOperation(String name, Data dataKey, EntryProcessor entryBackupProcessor) {
        super(name, dataKey);
        this.entryBackupProcessor = entryBackupProcessor;
    }

    @Override
    public void innerBeforeRun() throws Exception {
        super.innerBeforeRun();

        if (entryBackupProcessor instanceof HazelcastInstanceAware) {
            HazelcastInstance hazelcastInstance = getNodeEngine().getHazelcastInstance();
            ((HazelcastInstanceAware) entryBackupProcessor).setHazelcastInstance(hazelcastInstance);
        }
    }

    @Override
    protected void runInternal() {
        operator(this, entryBackupProcessor)
                .operateOnKey(dataKey).doPostOperateOps();
    }

    @Override
    protected void readInternal(ObjectDataInput in) throws IOException {
        super.readInternal(in);
        entryBackupProcessor = in.readObject();
    }

    @Override
    protected void writeInternal(ObjectDataOutput out) throws IOException {
        super.writeInternal(out);
        out.writeObject(entryBackupProcessor);
    }

    @Override
    public int getClassId() {
        return MapDataSerializerHook.ENTRY_BACKUP;
    }
}