1/*
2 * Copyright (c) 1998, 2014, 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
26package java.beans.beancontext;
27
28import java.beans.beancontext.BeanContextChild;
29import java.beans.beancontext.BeanContextEvent;
30
31import java.beans.beancontext.BeanContextServices;
32
33import 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
42public class BeanContextServiceAvailableEvent extends BeanContextEvent {
43    private static final long serialVersionUID = -5333985775656400778L;
44
45    /**
46     * Construct a {@code BeanContextAvailableServiceEvent}.
47     * @param bcs The context in which the service has become available
48     * @param sc A {@code Class} 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}.
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} 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} reference to the newly available service
84     */
85    protected Class<?>                   serviceClass;
86}
87