1 /*
   2  * Copyright (c) 1998, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.beans.beancontext;
  27 
  28 import java.beans.beancontext.BeanContextChild;
  29 import java.beans.beancontext.BeanContextEvent;
  30 
  31 import java.beans.beancontext.BeanContextServices;
  32 
  33 import java.util.Iterator;
  34 
  35 /**
  36  * <p>
  37  * This event type is used by the BeanContextServicesListener in order to
  38  * identify the service being registered.
  39  * </p>
  40  */
  41 
  42 public class BeanContextServiceAvailableEvent extends BeanContextEvent {
  43     private static final long serialVersionUID = -5333985775656400778L;
  44 
  45     /**
  46      * Construct a <code>BeanContextAvailableServiceEvent</code>.
  47      * @param bcs The context in which the service has become available
  48      * @param sc A <code>Class</code> reference to the newly available service
  49      */
  50     public BeanContextServiceAvailableEvent(BeanContextServices bcs, Class sc) {
  51         super((BeanContext)bcs);
  52 
  53         serviceClass = sc;
  54     }
  55 
  56     /**
  57      * Gets the source as a reference of type <code>BeanContextServices</code>.
  58      * @return The context in which the service has become available
  59      */
  60     public BeanContextServices getSourceAsBeanContextServices() {
  61         return (BeanContextServices)getBeanContext();
  62     }
  63 
  64     /**
  65      * Gets the service class that is the subject of this notification.
  66      * @return A <code>Class</code> reference to the newly available service
  67      */
  68     public Class getServiceClass() { return serviceClass; }
  69 
  70     /**
  71      * Gets the list of service dependent selectors.
  72      * @return the current selectors available from the service
  73      */
  74     public Iterator getCurrentServiceSelectors() {
  75         return ((BeanContextServices)getSource()).getCurrentServiceSelectors(serviceClass);
  76     }
  77 
  78     /*
  79      * fields
  80      */
  81 
  82     /**
  83      * A <code>Class</code> reference to the newly available service
  84      */
  85     protected Class                      serviceClass;
  86 }