| /** |
| * 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.fsdataset.impl; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| import org.apache.hadoop.hdfs.protocol.Block; |
| import org.apache.hadoop.hdfs.protocol.ExtendedBlock; |
| import org.apache.hadoop.hdfs.server.datanode.ReplicaInfo; |
| import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; |
| |
| public class FsDatasetTestUtil { |
| |
| public static File getFile(FsDatasetSpi<?> fsd, String bpid, long bid) { |
| return ((FsDatasetImpl)fsd).getFile(bpid, bid); |
| } |
| |
| public static File getBlockFile(FsDatasetSpi<?> fsd, String bpid, Block b |
| ) throws IOException { |
| return ((FsDatasetImpl)fsd).getBlockFile(bpid, b); |
| } |
| |
| public static File getMetaFile(FsDatasetSpi<?> fsd, String bpid, Block b) |
| throws IOException { |
| return FsDatasetUtil.getMetaFile(getBlockFile(fsd, bpid, b), b |
| .getGenerationStamp()); |
| } |
| |
| public static boolean unlinkBlock(FsDatasetSpi<?> fsd, |
| ExtendedBlock block, int numLinks) throws IOException { |
| final ReplicaInfo info = ((FsDatasetImpl)fsd).getReplicaInfo(block); |
| return info.unlinkBlock(numLinks); |
| } |
| |
| public static ReplicaInfo fetchReplicaInfo (final FsDatasetSpi<?> fsd, |
| final String bpid, final long blockId) { |
| return ((FsDatasetImpl)fsd).fetchReplicaInfo(bpid, blockId); |
| } |
| |
| public static long getPendingAsyncDeletions(FsDatasetSpi<?> fsd) { |
| return ((FsDatasetImpl)fsd).asyncDiskService.countPendingDeletions(); |
| } |
| |
| public static Collection<ReplicaInfo> getReplicas(FsDatasetSpi<?> fsd, |
| String bpid) { |
| return ((FsDatasetImpl)fsd).volumeMap.replicas(bpid); |
| } |
| } |