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1   /*
2    * $Date:
3    *
4    * ====================================================================
5    * Licensed to the Apache Software Foundation (ASF) under one
6    * or more contributor license agreements.  See the NOTICE file
7    * distributed with this work for additional information
8    * regarding copyright ownership.  The ASF licenses this file
9    * to you under the Apache License, Version 2.0 (the
10   * "License"); you may not use this file except in compliance
11   * with the License.  You may obtain a copy of the License at
12   *
13   *   http://www.apache.org/licenses/LICENSE-2.0
14   *
15   * Unless required by applicable law or agreed to in writing,
16   * software distributed under the License is distributed on an
17   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18   * KIND, either express or implied.  See the License for the
19   * specific language governing permissions and limitations
20   * under the License.
21   * ====================================================================
22   *
23   * This software consists of voluntary contributions made by many
24   * individuals on behalf of the Apache Software Foundation.  For more
25   * information on the Apache Software Foundation, please see
26   * <http://www.apache.org/>.
27   *
28   */
29  
30  package org.apache.http.nio.reactor;
31  
32  /**
33   * SessionBufferStatus interface is intended to query the status of session
34   * I/O buffers.
35   *
36   * @since 4.0
37   */
38  public interface SessionBufferStatus {
39  
40      /**
41       * Determines if the session input buffer contains data.
42       *
43       * @return <code>true</code> if the session input buffer contains data,
44       *   <code>false</code> otherwise.
45       */
46      boolean hasBufferedInput();
47  
48      /**
49       * Determines if the session output buffer contains data.
50       *
51       * @return <code>true</code> if the session output buffer contains data,
52       *   <code>false</code> otherwise.
53       */
54      boolean hasBufferedOutput();
55  
56  }