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| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 2004, 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 method return in the target VM. This event | |
| 32 | + * is generated after all code in the method has executed, but the | |
| 33 | + * location of this event is the last executed location in the method. | |
| 34 | + * Method exit events are generated for both native and non-native | |
| 35 | + * methods. Method exit events are not generated if the method terminates | |
| 36 | + * with a thrown exception. | |
| 37 | + * | |
| 38 | + * @see EventQueue | |
| 39 | + * | |
| 40 | + * @author Robert Field | |
| 41 | + * @since 1.3 | |
| 42 | + */ | |
| 43 | +public interface MethodExitEvent extends LocatableEvent { | |
| 44 | + | |
| 45 | + /** | |
| 46 | + * Returns the method that was exited. | |
| 47 | + * | |
| 48 | + * @return a {@link Method} which mirrors the method that was exited. | |
| 49 | + * @throws ObjectCollectedException may be thrown if class | |
| 50 | + * has been garbage collected. | |
| 51 | + */ | |
| 52 | + public Method method(); | |
| 53 | + | |
| 54 | + /** | |
| 55 | + * Returns the value that the method will return. | |
| 56 | + * | |
| 57 | + * Not all target virtual machines support this operation. | |
| 58 | + * Use | |
| 59 | + * {@link VirtualMachine#canGetMethodReturnValues() canGetMethodReturnValues()} | |
| 60 | + * to determine if this operation is supported. | |
| 61 | + * | |
| 62 | + * @return a {@link Value} which mirrors the value to be returned. | |
| 63 | + * | |
| 64 | + * @throws java.lang.UnsupportedOperationException if | |
| 65 | + * the target virtual machine does not support this | |
| 66 | + * operation - see | |
| 67 | + * {@link VirtualMachine#canGetMethodReturnValues() canGetMethodReturnValues()} | |
| 68 | + * | |
| 69 | + * @since 1.6 | |
| 70 | + */ | |
| 71 | + | |
| 72 | + public Value returnValue(); | |
| 73 | +} | |