1 /* 2 * Copyright (c) 1998, 2013, 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 com.sun.jdi.event; 27 28 import com.sun.jdi.*; 29 30 /** 31 * Notification of a field triggered event encountered by a thread in the 32 * target VM. 33 * 34 * @see EventQueue 35 * @see VirtualMachine 36 * 37 * @author Robert Field 38 * @since 1.3 39 */ 40 @jdk.Exported 41 public interface WatchpointEvent extends LocatableEvent { 42 43 /** 44 * Returns the field that is about to be accessed/modified. 45 * 46 * @return a {@link Field} which mirrors the field 47 * in the target VM. 48 * @throws ObjectCollectedException may be thrown if class 49 * has been garbage collected. 50 */ field()51 Field field(); 52 53 /** 54 * Returns the object whose field is about to be accessed/modified. 55 * Return null is the access is to a static field. 56 * 57 * @return a {@link ObjectReference} which mirrors the event's 58 * object in the target VM. 59 */ object()60 ObjectReference object(); 61 62 /** 63 * Current value of the field. 64 * @throws ObjectCollectedException if object or class have been 65 * garbage collected. 66 */ valueCurrent()67 Value valueCurrent(); 68 } 69