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      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.request;
     27 
     28 import com.sun.jdi.*;
     29 
     30 /**
     31  * Request for notification when a method returns in the target VM.
     32  * When an enabled MethodExitRequest is hit, an
     33  * {@link com.sun.jdi.event.EventSet event set} containing a
     34  * {@link com.sun.jdi.event.MethodExitEvent MethodExitEvent}
     35  * will be placed on the
     36  * {@link com.sun.jdi.event.EventQueue EventQueue}.
     37  * The collection of existing MethodExitRequests is
     38  * managed by the {@link EventRequestManager}
     39  *
     40  * @see com.sun.jdi.event.MethodExitEvent
     41  * @see com.sun.jdi.event.EventQueue
     42  * @see EventRequestManager
     43  *
     44  * @author Robert Field
     45  * @since  1.3
     46  */
     47 @jdk.Exported
     48 public interface MethodExitRequest extends EventRequest {
     49 
     50     /**
     51      * Restricts the events generated by this request to those in
     52      * the given thread.
     53      * @param thread the thread to filter on.
     54      * @throws InvalidRequestStateException if this request is currently
     55      * enabled or has been deleted.
     56      * Filters may be added only to disabled requests.
     57      */
     58     void addThreadFilter(ThreadReference thread);
     59 
     60     /**
     61      * Restricts the events generated by this request to those whose
     62      * method is in the given reference type or any of its subtypes.
     63      * An event will be generated for any location in a reference type
     64      * that can be safely cast to the given reference type.
     65      *
     66      * @param refType the reference type to filter on.
     67      * @throws InvalidRequestStateException if this request is currently
     68      * enabled or has been deleted.
     69      * Filters may be added only to disabled requests.
     70      */
     71     void addClassFilter(ReferenceType refType);
     72 
     73     /**
     74      * Restricts the events generated by this request to those
     75      * whose method is in a class whose name matches a restricted
     76      * regular expression. Regular expressions are limited
     77      * to exact matches and patterns that begin with '*' or end with '*';
     78      * for example, "*.Foo" or "java.*".
     79      *
     80      * @param classPattern the pattern String to filter for.
     81      * @throws InvalidRequestStateException if this request is currently
     82      * enabled or has been deleted.
     83      * Filters may be added only to disabled requests.
     84      */
     85     void addClassFilter(String classPattern);
     86 
     87     /**
     88      * Restricts the events generated by this request to those
     89      * whose method is in a class whose name does <b>not</b> match this
     90      * restricted regular expression. Regular expressions are limited
     91      * to exact matches and patterns that begin with '*' or end with '*';
     92      * for example, "*.Foo" or "java.*".
     93      *
     94      * @param classPattern the pattern String to filter against.
     95      * @throws InvalidRequestStateException if this request is currently
     96      * enabled or has been deleted.
     97      * Filters may be added only to disabled requests.
     98      */
     99     void addClassExclusionFilter(String classPattern);
    100 
    101     /**
    102      * Restricts the events generated by this request to those in
    103      * which the currently executing instance ("this") is the object
    104      * specified.
    105      * <P>
    106      * Not all targets support this operation.
    107      * Use {@link VirtualMachine#canUseInstanceFilters()}
    108      * to determine if the operation is supported.
    109      * @since 1.4
    110      * @param instance the object which must be the current instance
    111      * in order to pass this filter.
    112      * @throws java.lang.UnsupportedOperationException if
    113      * the target virtual machine does not support this
    114      * operation.
    115      * @throws InvalidRequestStateException if this request is currently
    116      * enabled or has been deleted.
    117      * Filters may be added only to disabled requests.
    118      */
    119     void addInstanceFilter(ObjectReference instance);
    120 }
    121