apurtell commented on a change in pull request #3691: URL: https://github.com/apache/hbase/pull/3691#discussion_r712605984
########## File path: hbase-compression/hbase-compression-snappy/src/main/java/org/apache/hadoop/hbase/io/compress/xerial/SnappyDecompressor.java ########## @@ -0,0 +1,126 @@ +/* + * 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.hbase.io.compress.xerial; + +import java.io.IOException; +import java.nio.ByteBuffer; + +import org.apache.hadoop.io.compress.Decompressor; +import org.apache.yetus.audience.InterfaceAudience; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.xerial.snappy.Snappy; + +/** + * Hadoop decompressor glue for Xerial Snappy. + */ [email protected] +public class SnappyDecompressor implements Decompressor { + + protected static final Logger LOG = LoggerFactory.getLogger(SnappyDecompressor.class); + + protected ByteBuffer inBuf; + protected ByteBuffer outBuf; + protected int inLen; + protected boolean finished; + + SnappyDecompressor(int bufferSize) { + this.inBuf = ByteBuffer.allocateDirect(bufferSize); + this.outBuf = ByteBuffer.allocateDirect(bufferSize); + this.outBuf.position(bufferSize); + } + + @Override + public int decompress(byte[] b, int off, int len) throws IOException { Review comment: As with the compressor in this module, unlike the other two wrapper implementations (for aircompressor and lz4), this one is slightly different because the Snappy API doesn't adjust the output buffer position like the others do. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
