01: /*
02: * Copyright 1998-1999 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.jdi.event;
27:
28: import com.sun.jdi.*;
29: import com.sun.jdi.request.EventRequest;
30:
31: /**
32: * An occurrence in a target VM that is of interest to a debugger. Event is
33: * the common superinterface for all events (examples include
34: * {@link BreakpointEvent}, {@link ExceptionEvent},
35: * {@link ClassPrepareEvent}).
36: * When an event occurs, an instance of Event as a component of
37: * an {@link EventSet} is enqueued in the
38: * {@link VirtualMachine}'s {@link EventQueue}.
39: *
40: * @see EventSet
41: * @see EventQueue
42: *
43: * @author Robert Field
44: * @since 1.3
45: */
46: public interface Event extends Mirror {
47:
48: /**
49: * @return The {@link EventRequest} that requested this event.
50: * Some events (eg. {@link VMDeathEvent}) may not have
51: * a cooresponding request and thus will return null.
52: */
53: EventRequest request();
54: }
|