001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.ipc;
019
020import org.slf4j.Logger;
021import org.slf4j.LoggerFactory;
022
023import org.apache.hbase.thirdparty.io.netty.buffer.AbstractByteBufAllocator;
024import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;
025import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator;
026import org.apache.hbase.thirdparty.io.netty.buffer.Unpooled;
027
028/**
029 * A custom byte buf allocator for TestNettyRpcServer.
030 */
031public class SimpleByteBufAllocator extends AbstractByteBufAllocator implements ByteBufAllocator {
032
033  static final Logger LOG = LoggerFactory.getLogger(SimpleByteBufAllocator.class);
034
035  @Override
036  public boolean isDirectBufferPooled() {
037    return false;
038  }
039
040  @Override
041  protected ByteBuf newHeapBuffer(int initialCapacity, int maxCapacity) {
042    LOG.info("newHeapBuffer initialCapacity={}, maxCapacity={}", initialCapacity, maxCapacity);
043    return Unpooled.buffer(initialCapacity, maxCapacity);
044  }
045
046  @Override
047  protected ByteBuf newDirectBuffer(int initialCapacity, int maxCapacity) {
048    LOG.info("newDirectBuffer initialCapacity={}, maxCapacity={}", initialCapacity, maxCapacity);
049    return Unpooled.directBuffer(initialCapacity, maxCapacity);
050  }
051
052}