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.util;
019
020import java.io.IOException;
021import java.nio.ByteBuffer;
022
023import org.apache.yetus.audience.InterfaceAudience;
024
025/**
026 * Defines the way the ByteBuffers are created
027 */
028@InterfaceAudience.Private
029public interface ByteBufferAllocator {
030
031  /**
032   * Allocates a bytebuffer
033   * @param size the size of the bytebuffer
034   * @return the bytebuffer that is created
035   * @throws IOException exception thrown if there is an error while creating the ByteBuffer
036   */
037  ByteBuffer allocate(long size) throws IOException;
038}