| /* |
| * 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.iotdb.rpc; |
| |
| import org.apache.thrift.transport.TTransport; |
| import org.xerial.snappy.Snappy; |
| |
| import java.io.IOException; |
| |
| public class TSnappyElasticFramedTransport extends TCompressedElasticFramedTransport { |
| |
| public static class Factory extends TElasticFramedTransport.Factory { |
| |
| public Factory() { |
| this(RpcUtils.THRIFT_DEFAULT_BUF_CAPACITY, RpcUtils.THRIFT_FRAME_MAX_SIZE); |
| } |
| |
| public Factory(int thriftDefaultBufferSize) { |
| this(thriftDefaultBufferSize, RpcUtils.THRIFT_FRAME_MAX_SIZE); |
| } |
| |
| public Factory(int thriftDefaultBufferSize, int thriftMaxFrameSize) { |
| super(thriftDefaultBufferSize, thriftMaxFrameSize); |
| } |
| |
| @Override |
| public TTransport getTransport(TTransport trans) { |
| return new TSnappyElasticFramedTransport(trans, thriftDefaultBufferSize, thriftMaxFrameSize); |
| } |
| } |
| |
| public TSnappyElasticFramedTransport(TTransport underlying) { |
| this(underlying, RpcUtils.THRIFT_DEFAULT_BUF_CAPACITY, RpcUtils.THRIFT_FRAME_MAX_SIZE); |
| } |
| |
| public TSnappyElasticFramedTransport( |
| TTransport underlying, int thriftDefaultBufferSize, int thriftMaxFrameSize) { |
| super(underlying, thriftDefaultBufferSize, thriftMaxFrameSize); |
| } |
| |
| @Override |
| protected int uncompressedLength(byte[] buf, int off, int len) throws IOException { |
| return Snappy.uncompressedLength(buf, off, len); |
| } |
| |
| @Override |
| protected int maxCompressedLength(int len) { |
| return Snappy.maxCompressedLength(len); |
| } |
| |
| @Override |
| protected int compress(byte[] input, int inOff, int len, byte[] output, int outOff) |
| throws IOException { |
| return Snappy.compress(input, inOff, len, output, outOff); |
| } |
| |
| @Override |
| protected void uncompress(byte[] input, int inOff, int size, byte[] output, int outOff) |
| throws IOException { |
| Snappy.uncompress(input, inOff, size, output, outOff); |
| } |
| } |