| /** |
| * 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 java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.hdfs.protocol.Block; |
| import org.apache.hadoop.hdfs.protocol.ExtendedBlock; |
| import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration; |
| |
| /** |
| * Utility class for accessing package-private DataNode information during tests. |
| * |
| */ |
| public class DataNodeTestUtils { |
| public static DatanodeRegistration |
| getDNRegistrationByMachineName(DataNode dn, String mName) { |
| return dn.getDNRegistrationByMachineName(mName); |
| } |
| |
| public static DatanodeRegistration |
| getDNRegistrationForBP(DataNode dn, String bpid) throws IOException { |
| return dn.getDNRegistrationForBP(bpid); |
| } |
| |
| public static File getFile(DataNode dn, String bpid, long bid) { |
| return ((FSDataset)dn.getFSDataset()).getFile(bpid, bid); |
| } |
| |
| public static File getBlockFile(DataNode dn, String bpid, Block b |
| ) throws IOException { |
| return ((FSDataset)dn.getFSDataset()).getBlockFile(bpid, b); |
| } |
| |
| public static boolean unlinkBlock(DataNode dn, ExtendedBlock block, int numLinks |
| ) throws IOException { |
| ReplicaInfo info = ((FSDataset)dn.getFSDataset()).getReplicaInfo(block); |
| return info.unlinkBlock(numLinks); |
| } |
| } |