hazelcast-master/hazelcast/src/main/java/com/hazelcast/multimap/impl/txn/TxnPutOperation.java
/*
 * Copyright (c) 2008-2023, 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.impl.txn;

import com.hazelcast.core.EntryEventType;
import com.hazelcast.internal.nio.IOUtil;
import com.hazelcast.internal.util.Timer;
import com.hazelcast.multimap.impl.MultiMapContainer;
import com.hazelcast.multimap.impl.MultiMapDataSerializerHook;
import com.hazelcast.multimap.impl.MultiMapRecord;
import com.hazelcast.multimap.impl.MultiMapService;
import com.hazelcast.multimap.impl.MultiMapValue;
import com.hazelcast.multimap.impl.operations.AbstractKeyBasedMultiMapOperation;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.internal.serialization.Data;
import com.hazelcast.spi.impl.operationservice.BackupAwareOperation;
import com.hazelcast.spi.impl.operationservice.Operation;
import com.hazelcast.spi.impl.operationservice.MutatingOperation;

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

public class TxnPutOperation extends AbstractKeyBasedMultiMapOperation implements BackupAwareOperation, MutatingOperation {

    private long recordId;
    private Data value;

    private transient long startTimeNanos;

    public TxnPutOperation() {
    }

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

    @Override
    public void run() throws Exception {
        startTimeNanos = Timer.nanos();
        MultiMapContainer container = getOrCreateContainer();
        MultiMapValue multiMapValue = container.getOrCreateMultiMapValue(dataKey);
        if (multiMapValue.containsRecordId(recordId)) {
            response = false;
            return;
        }
        response = true;
        container.update();
        Collection<MultiMapRecord> coll = multiMapValue.getCollection(false);
        MultiMapRecord record = new MultiMapRecord(recordId, isBinary() ? value : toObject(value));
        coll.add(record);
    }

    @Override
    public void afterRun() throws Exception {
        long elapsedNanos = Math.max(0, Timer.nanosElapsed(startTimeNanos));
        MultiMapService service = getService();
        service.getLocalMultiMapStatsImpl(name).incrementPutLatencyNanos(elapsedNanos);
        if (Boolean.TRUE.equals(response)) {
            publishEvent(EntryEventType.ADDED, dataKey, value, null);
        }
    }

    public long getRecordId() {
        return recordId;
    }

    @Override
    public boolean shouldBackup() {
        return Boolean.TRUE.equals(response);
    }

    @Override
    public Operation getBackupOperation() {
        return new TxnPutBackupOperation(name, dataKey, recordId, value);
    }

    @Override
    protected void writeInternal(ObjectDataOutput out) throws IOException {
        super.writeInternal(out);
        out.writeLong(recordId);
        IOUtil.writeData(out, value);
    }

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

    @Override
    public int getClassId() {
        return MultiMapDataSerializerHook.TXN_PUT;
    }
}
