1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.http.nio.reactor;
28
29 /**
30 * SessionBufferStatus interface is intended to query the status of session
31 * I/O buffers.
32 *
33 * @since 4.0
34 */
35 public interface SessionBufferStatus {
36
37 /**
38 * Determines if the session input buffer contains data.
39 *
40 * @return <code>true</code> if the session input buffer contains data,
41 * <code>false</code> otherwise.
42 */
43 boolean hasBufferedInput();
44
45 /**
46 * Determines if the session output buffer contains data.
47 *
48 * @return <code>true</code> if the session output buffer contains data,
49 * <code>false</code> otherwise.
50 */
51 boolean hasBufferedOutput();
52
53 }