org.apache.hadoop.hdfs.server.datanode.ReplicaHandler.java Source code

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Here is the source code for org.apache.hadoop.hdfs.server.datanode.ReplicaHandler.java

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/**
 * 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.hadoop.hdfs.server.datanode;

import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeReference;

import java.io.Closeable;
import java.io.IOException;

/**
 * This class includes a replica being actively written and the reference to
 * the fs volume where this replica is located.
 */
public class ReplicaHandler implements Closeable {
    private final ReplicaInPipeline replica;
    private final FsVolumeReference volumeReference;

    public ReplicaHandler(ReplicaInPipeline replica, FsVolumeReference reference) {
        this.replica = replica;
        this.volumeReference = reference;
    }

    @Override
    public void close() throws IOException {
        if (this.volumeReference != null) {
            volumeReference.close();
        }
    }

    public ReplicaInPipeline getReplica() {
        return replica;
    }
}