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Java > Open Source Codes > org > apache > activemq > transport > udp > ByteBufferPool


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * 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.activemq.transport.udp;
19
20 import org.apache.activemq.Service;
21
22 import java.nio.ByteBuffer JavaDoc;
23
24 /**
25  * Represents a pool of {@link ByteBuffer} instances.
26  * This strategy could just create new buffers for each call or
27  * it could pool them.
28  *
29  * @version $Revision: 426366 $
30  */
31 public interface ByteBufferPool extends Service {
32
33     /**
34      * Extract a buffer from the pool.
35      */
36     ByteBuffer JavaDoc borrowBuffer();
37
38     /**
39      * Returns the buffer to the pool or just discards it for a non-pool strategy
40      */
41     void returnBuffer(ByteBuffer JavaDoc buffer);
42
43     /**
44      * Sets the default size of the buffers
45      */
46     void setDefaultSize(int defaultSize);
47
48 }
49
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