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 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 @jdk.Exported 44 public interface MethodExitEvent extends LocatableEvent { 45 46 /** 47 * Returns the method that was exited. 48 * 49 * @return a {@link Method} which mirrors the method that was exited. 50 * @throws ObjectCollectedException may be thrown if class 51 * has been garbage collected. 52 */ method()53 public Method method(); 54 55 /** 56 * Returns the value that the method will return. 57 * 58 * Not all target virtual machines support this operation. 59 * Use 60 * {@link VirtualMachine#canGetMethodReturnValues() canGetMethodReturnValues()} 61 * to determine if this operation is supported. 62 * 63 * @return a {@link Value} which mirrors the value to be returned. 64 * 65 * @throws java.lang.UnsupportedOperationException if 66 * the target virtual machine does not support this 67 * operation - see 68 * {@link VirtualMachine#canGetMethodReturnValues() canGetMethodReturnValues()} 69 * 70 * @since 1.6 71 */ 72 returnValue()73 public Value returnValue(); 74 } 75