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25 
26 package java.beans.beancontext;
27 
28 import java.io.Serial;
29 import java.util.Iterator;
30 
31 /**
32  * <p>
33  * This event type is used by the BeanContextServicesListener in order to
34  * identify the service being registered.
35  * </p>
36  */
37 
38 public class BeanContextServiceAvailableEvent extends BeanContextEvent {
39 
40     /**
41      * Use serialVersionUID from JDK 1.7 for interoperability.
42      */
43     @Serial
44     private static final long serialVersionUID = -5333985775656400778L;
45 
46     /**
47      * Construct a {@code BeanContextAvailableServiceEvent}.
48      * @param bcs The context in which the service has become available
49      * @param sc A {@code Class} reference to the newly available service
50      */
BeanContextServiceAvailableEvent(BeanContextServices bcs, Class<?> sc)51     public BeanContextServiceAvailableEvent(BeanContextServices bcs, Class<?> sc) {
52         super((BeanContext)bcs);
53 
54         serviceClass = sc;
55     }
56 
57     /**
58      * Gets the source as a reference of type {@code BeanContextServices}.
59      * @return The context in which the service has become available
60      */
getSourceAsBeanContextServices()61     public BeanContextServices getSourceAsBeanContextServices() {
62         return (BeanContextServices)getBeanContext();
63     }
64 
65     /**
66      * Gets the service class that is the subject of this notification.
67      * @return A {@code Class} reference to the newly available service
68      */
getServiceClass()69     public Class<?> getServiceClass() { return serviceClass; }
70 
71     /**
72      * Gets the list of service dependent selectors.
73      * @return the current selectors available from the service
74      */
getCurrentServiceSelectors()75     public Iterator<?> getCurrentServiceSelectors() {
76         return ((BeanContextServices)getSource()).getCurrentServiceSelectors(serviceClass);
77     }
78 
79     /*
80      * fields
81      */
82 
83     /**
84      * A {@code Class} reference to the newly available service
85      */
86     protected Class<?>                   serviceClass;
87 }
88