001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.fs;
019
020import java.io.IOException;
021
022import org.apache.hadoop.classification.InterfaceAudience;
023import org.apache.hadoop.classification.InterfaceStability;
024
025/**
026 * Wrapper for {@link BlockLocation} that also adds {@link VolumeId} volume
027 * location information for each replica.
028 */
029@InterfaceStability.Unstable
030@InterfaceAudience.Public
031@Deprecated
032public class BlockStorageLocation extends BlockLocation {
033
034  private final VolumeId[] volumeIds;
035
036  public BlockStorageLocation(BlockLocation loc, VolumeId[] volumeIds)
037      throws IOException {
038    // Initialize with data from passed in BlockLocation
039    super(loc.getNames(), loc.getHosts(), loc.getTopologyPaths(), loc
040        .getOffset(), loc.getLength(), loc.isCorrupt());
041    this.volumeIds = volumeIds;
042  }
043
044  /**
045   * Gets the list of {@link VolumeId} corresponding to the block's replicas.
046   * 
047   * @return volumeIds list of VolumeId for the block's replicas
048   */
049  public VolumeId[] getVolumeIds() {
050    return volumeIds;
051  }
052}