| /** |
| * 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.protocol; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.hdfs.protocol.Block; |
| |
| /** |
| * Maintains an array of blocks and their corresponding storage IDs. |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public class BlocksWithLocations { |
| |
| /** |
| * A class to keep track of a block and its locations |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public static class BlockWithLocations { |
| Block block; |
| String storageIDs[]; |
| |
| /** constructor */ |
| public BlockWithLocations(Block block, String[] storageIDs) { |
| this.block = block; |
| this.storageIDs = storageIDs; |
| } |
| |
| /** get the block */ |
| public Block getBlock() { |
| return block; |
| } |
| |
| /** get the block's locations */ |
| public String[] getStorageIDs() { |
| return storageIDs; |
| } |
| } |
| |
| private BlockWithLocations[] blocks; |
| |
| /** Constructor with one parameter */ |
| public BlocksWithLocations(BlockWithLocations[] blocks) { |
| this.blocks = blocks; |
| } |
| |
| /** getter */ |
| public BlockWithLocations[] getBlocks() { |
| return blocks; |
| } |
| } |