Container


1   /*
2    * Copyright (C) The Apache Software Foundation. All rights reserved.
3    *
4    * This software is published under the terms of the Apache Software License
5    * version 1.1, a copy of which has been included with this distribution in
6    * the LICENSE.txt file.
7    */
8   package org.apache.avalon.excalibur.container;
9   
10  import java.util.Iterator  ;
11  import org.apache.avalon.framework.component.Component;
12  
13  /**
14   * This contains it during execution and may provide certain
15   * facilities (like a thread per EJB etc).
16   *
17   * @author <a HREF="mailto:peter@apache.org">Peter Donald</a>
18   */
19  public interface Container
20      extends Component
21  {
22      String   ROLE = "org.apache.avalon.framework.camelot.Container";
23  
24      /**
25       * Add a component instance to container.
26       *
27       * @param entry the component entry
28       */
29      void add( String   name, Entry entry )
30          throws ContainerException;
31  
32      /**
33       * Remove a component instance from container.
34       *
35       * @param name the name of component
36       */
37      void remove( String   name )
38          throws ContainerException;
39  
40      /**
41       * Retrieve Entry from container
42       *
43       * @param name the name of entry
44       * @return the entry
45       */
46      Entry getEntry( String   name )
47          throws ContainerException;
48  
49      /**
50       * List all names of entries in container.
51       *
52       * @return the list of all entries
53       */
54      String  [] list();
55  }
56

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