| /** |
| * 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; |
| |
| import java.io.Closeable; |
| import java.io.FileDescriptor; |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| |
| import org.apache.hadoop.io.IOUtils; |
| |
| /** |
| * Contains the input streams for the data and checksum of a replica. |
| */ |
| public class ReplicaInputStreams implements Closeable { |
| private final InputStream dataIn; |
| private final InputStream checksumIn; |
| |
| /** Create an object with a data input stream and a checksum input stream. */ |
| public ReplicaInputStreams(FileDescriptor dataFd, FileDescriptor checksumFd) { |
| this.dataIn = new FileInputStream(dataFd); |
| this.checksumIn = new FileInputStream(checksumFd); |
| } |
| |
| /** @return the data input stream. */ |
| public InputStream getDataIn() { |
| return dataIn; |
| } |
| |
| /** @return the checksum input stream. */ |
| public InputStream getChecksumIn() { |
| return checksumIn; |
| } |
| |
| @Override |
| public void close() { |
| IOUtils.closeStream(dataIn); |
| IOUtils.closeStream(checksumIn); |
| } |
| } |