View Javadoc
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 is invoked in the target VM.
32   * When an enabled MethodEntryRequest is satisfied, an
33   * {@link com.sun.jdi.event.EventSet event set} containing a
34   * {@link com.sun.jdi.event.MethodEntryEvent MethodEntryEvent}
35   * will be placed on the
36   * {@link com.sun.jdi.event.EventQueue EventQueue}.
37   * The collection of existing MethodEntryRequests is
38   * managed by the {@link EventRequestManager}
39   *
40   * @see com.sun.jdi.event.MethodEntryEvent
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 MethodEntryRequest 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 this 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 restricted
90       * regular expression, e.g. "java.*" or "*.Foo".
91       * @param classPattern the pattern String to filter against.
92       * @throws InvalidRequestStateException if this request is currently
93       * enabled or has been deleted.
94       * Filters may be added only to disabled requests.
95       */
96      void addClassExclusionFilter(String classPattern);
97  
98      /**
99       * Restricts the events generated by this request to those in
100      * which the currently executing instance ("this") is the object
101      * specified.
102      * <P>
103      * Not all targets support this operation.
104      * Use {@link VirtualMachine#canUseInstanceFilters()}
105      * to determine if the operation is supported.
106      * @since 1.4
107      * @param instance the object which must be the current instance
108      * in order to pass this filter.
109      * @throws java.lang.UnsupportedOperationException if
110      * the target virtual machine does not support this
111      * operation.
112      * @throws InvalidRequestStateException if this request is currently
113      * enabled or has been deleted.
114      * Filters may be added only to disabled requests.
115      */
116     void addInstanceFilter(ObjectReference instance);
117 }