1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.apache.hadoop.hbase.util;
19
20 import java.io.IOException;
21 import java.nio.ByteBuffer;
22
23 import org.apache.hadoop.hbase.classification.InterfaceAudience;
24
25 /**
26 * Defines the way the ByteBuffers are created
27 */
28 @InterfaceAudience.Private
29 public interface ByteBufferAllocator {
30
31 /**
32 * Allocates a bytebuffer
33 * @param size the size of the bytebuffer
34 * @param directByteBuffer indicator to create a direct bytebuffer
35 * @return the bytebuffer that is created
36 * @throws IOException exception thrown if there is an error while creating the ByteBuffer
37 */
38 ByteBuffer allocate(long size, boolean directByteBuffer) throws IOException;
39 }