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Java > Open Source Codes > org > apache > mina > common > support > DefaultWriteFuture


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,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied. See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  *
19  */
20 package org.apache.mina.common.support;
21
22 import org.apache.mina.common.IoSession;
23 import org.apache.mina.common.WriteFuture;
24
25 /**
26  * A default implementation of {@link WriteFuture}.
27  *
28  * @author The Apache Directory Project (mina-dev@directory.apache.org)
29  * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (금, 13 7월 2007) $
30  */
31 public class DefaultWriteFuture extends DefaultIoFuture implements WriteFuture {
32     /**
33      * Returns a new {@link DefaultWriteFuture} which is already marked as 'written'.
34      */
35     public static WriteFuture newWrittenFuture(IoSession session) {
36         DefaultWriteFuture unwrittenFuture = new DefaultWriteFuture(session);
37         unwrittenFuture.setWritten(true);
38         return unwrittenFuture;
39     }
40
41     /**
42      * Returns a new {@link DefaultWriteFuture} which is already marked as 'not written'.
43      */
44     public static WriteFuture newNotWrittenFuture(IoSession session) {
45         DefaultWriteFuture unwrittenFuture = new DefaultWriteFuture(session);
46         unwrittenFuture.setWritten(false);
47         return unwrittenFuture;
48     }
49
50     /**
51      * Creates a new instance.
52      */
53     public DefaultWriteFuture(IoSession session) {
54         super(session);
55     }
56
57     public boolean isWritten() {
58         if (isReady()) {
59             return (Boolean JavaDoc) getValue();
60         } else {
61             return false;
62         }
63     }
64
65     public void setWritten(boolean written) {
66         setValue(written ? Boolean.TRUE : Boolean.FALSE);
67     }
68 }
69
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