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.core.write;
21
22 import java.net.SocketAddress;
23
24 import org.apache.mina.core.filterchain.IoFilter;
25 import org.apache.mina.core.future.WriteFuture;
26 import org.apache.mina.core.session.IoSession;
27
28 /**
29 * Represents write request fired by {@link IoSession#write(Object)}.
30 *
31 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
32 */
33 public interface WriteRequest {
34 /**
35 * @return the {@link WriteRequest} which was requested originally,
36 * which is not transformed by any {@link IoFilter}.
37 */
38 WriteRequest getOriginalRequest();
39
40 /**
41 * @return {@link WriteFuture} that is associated with this write request.
42 */
43 WriteFuture getFuture();
44
45 /**
46 * @return a message object to be written.
47 */
48 Object getMessage();
49
50 /**
51 * Returns the destination of this write request.
52 *
53 * @return <tt>null</tt> for the default destination
54 */
55 SocketAddress getDestination();
56
57 /**
58 * Tells if the current message has been encoded
59 *
60 * @return true if the message has already been encoded
61 */
62 boolean isEncoded();
63 }
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