FlowControlNot


1   /*
2    * Copyright (C) 2001 - 2004 ScalAgent Distributed Technologies
3    * Copyright (C) 1996 - 2000 BULL
4    * Copyright (C) 1996 - 2000 INRIA
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   * 
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   * 
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA.
20   *
21   * Initial developer(s): Dyade
22   * Contributor(s): ScalAgent Distributed Technologies
23   */
24  
25  
26  package fr.dyade.aaa.agent;
27  
28  
29  /**
30   * Flow control notification.
31   * <p>
32   * This notification is used to control the flow of notifications from a
33   * <code>DriverIn</code> object to its associated agent.
34   *
35   * @see     DriverIn
36   */
37  public class FlowControlNot extends Notification {
38  
39  
40    /** id of <code>DriverIn</code> agent issuing notification, when applicable */
41    int driverId;
42  
43    /** 
44     * Key of the <code>DriverIn</code> issuing the notification, in a multi
45     * connections context.
46     */
47    int driverKey = 0;
48  
49  
50    /**
51     * Constructor.
52     *
53     * @param driverId    id of <code>Driver</code> issuing notification
54     */
55    FlowControlNot(int driverId) {
56      this.driverId = driverId;
57    }
58  
59    /**
60     * Constructor.
61     *
62     * @param driverId  id of <code>Driver</code> issuing notification
63     * @param driverKey  key of driver issuing the notification.
64     */
65    FlowControlNot(int driverId, int driverKey) {
66      this.driverId = driverId;
67      this.driverKey = driverKey;
68    }
69  
70  
71  
72    /**
73     * Constructor with default id.
74     */
75    FlowControlNot() {
76      this(0);
77    }
78  
79    /**
80     * Appends a string image for this object to the StringBuffer parameter.
81     *
82     * @param output
83     *    buffer to fill in
84     * @return
85      <code>output</code> buffer is returned
86     */
87    public StringBuffer   toString(StringBuffer   output) {
88      output.append('(');
89      super.toString(output);
90      output.append(",driverKey=").append(driverKey);
91      output.append(",driverId=").append(driverId);
92      output.append(')');
93  
94      return output;
95    }
96  }
97
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