/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.activemq.store.kahadb.disk.util;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.activemq.store.kahadb.disk.journal.Location;

public class LocationMarshaller implements Marshaller<Location> {

    public final static LocationMarshaller INSTANCE = new LocationMarshaller();

    public LocationMarshaller () {

    }

    public Location readPayload(DataInput dataIn) throws IOException {
        Location rc = new Location();
        rc.setDataFileId(dataIn.readInt());
        rc.setOffset(dataIn.readInt());
        return rc;
    }

    public void writePayload(Location object, DataOutput dataOut) throws IOException {
        dataOut.writeInt(object.getDataFileId());
        dataOut.writeInt(object.getOffset());
    }

    public int getFixedSize() {
        return 8;
    }

    public Location deepCopy(Location source) {
        return new Location(source);
    }

    public boolean isDeepCopySupported() {
        return true;
    }
}