DataPortListenerSet


1   package com.coldcore.coloradoftp.connection;
2   
3   import java.util.Set  ;
4   
5   /**
6    * Set of data port listeners.
7    *
8    * Because there can be many data port listeners, an object is required to
9    * replicate methods to all, rather than processing each data port listener
10   * individualy.
11   *
12   *
13   * ColoradoFTP - The Open Source FTP Server (http://cftp.coldcore.com)
14   */
15  public interface DataPortListenerSet {
16  
17    /** Bind data port listeners
18     * @return Number of bound listeners
19     */
20    public int bind();
21  
22  
23    /** Unbind data port listeners
24     * @return Number of unbound listeners
25     */
26    public int unbind();
27  
28  
29    /** Get number of boud listeners
30     * @return Number of boud listeners
31     */
32    public int boundNumber();
33  
34  
35    /** List listeners
36     * @return Listeners (copy of the original list)
37     */
38    public Set  <DataPortListener> list();
39  }
40

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