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25 
26 package com.sun.jdi.request;
27 
28 import com.sun.jdi.ObjectReference;
29 import com.sun.jdi.ReferenceType;
30 import com.sun.jdi.ThreadReference;
31 import com.sun.jdi.VirtualMachine;
32 import com.sun.jdi.event.EventQueue;
33 import com.sun.jdi.event.EventSet;
34 import com.sun.jdi.event.MonitorContendedEnteredEvent;
35 
36 /**
37  * Request for notification of a thread in the target VM entering a monitor
38  * after waiting for it to be released by another thread.
39  * When an enabled MonitorContededEnteredRequest is satisfied, an
40  * {@link EventSet event set} containing a
41  * {@link MonitorContendedEnteredEvent MonitorContendedEnteredEvent}
42  * will be placed on the {@link EventQueue EventQueue}.
43  * The collection of existing MonitorContendedEnteredEvents is
44  * managed by the {@link EventRequestManager}
45  *
46  * @see MonitorContendedEnteredEvent
47  * @see EventQueue
48  * @see EventRequestManager
49  *
50  * @author Swamy Venkataramanappa
51  * @since  1.6
52  */
53 public interface MonitorContendedEnteredRequest extends EventRequest {
54 
55     /**
56      * Restricts the events generated by this request to those in
57      * the given thread.
58      * @param thread the thread to filter on.
59      * @throws InvalidRequestStateException if this request is currently
60      * enabled or has been deleted.
61      * Filters may be added only to disabled requests.
62      */
addThreadFilter(ThreadReference thread)63     void addThreadFilter(ThreadReference thread);
64 
65     /**
66      * Restricts the events generated by this request to those whose
67      * method is in the given reference type or any of its subtypes.
68      * An event will be generated for any location in a reference type
69      * that can be safely cast to the given reference type.
70      *
71      * @param refType the reference type to filter on.
72      * @throws InvalidRequestStateException if this request is currently
73      * enabled or has been deleted.
74      * Filters may be added only to disabled requests.
75      */
addClassFilter(ReferenceType refType)76     void addClassFilter(ReferenceType refType);
77 
78     /**
79      * Restricts the events generated by this request to those
80      * whose method is in a class whose name matches this restricted
81      * regular expression. Regular expressions are limited
82      * to exact matches and patterns that begin with '*' or end with '*';
83      * for example, "*.Foo" or "java.*".
84      *
85      * @param classPattern the pattern String to filter for.
86      * @throws InvalidRequestStateException if this request is currently
87      * enabled or has been deleted.
88      * Filters may be added only to disabled requests.
89      */
addClassFilter(String classPattern)90     void addClassFilter(String classPattern);
91 
92     /**
93      * Restricts the events generated by this request to those
94      * whose method is in a class whose name does <b>not</b> match this restricted
95      * regular expression, e.g. "java.*" or "*.Foo".
96      * @param classPattern the pattern String to filter against.
97      * @throws InvalidRequestStateException if this request is currently
98      * enabled or has been deleted.
99      * Filters may be added only to disabled requests.
100      */
addClassExclusionFilter(String classPattern)101     void addClassExclusionFilter(String classPattern);
102 
103     /**
104      * Restricts the events generated by this request to those in
105      * which the currently executing instance ("this") is the object
106      * specified.
107      * <P>
108      * Not all targets support this operation.
109      * Use {@link VirtualMachine#canUseInstanceFilters()}
110      * to determine if the operation is supported.
111      * @param instance the object which must be the current instance
112      * in order to pass this filter.
113      * @throws java.lang.UnsupportedOperationException if
114      * the target virtual machine does not support this
115      * operation.
116      * @throws InvalidRequestStateException if this request is currently
117      * enabled or has been deleted.
118      * Filters may be added only to disabled requests.
119      */
addInstanceFilter(ObjectReference instance)120     void addInstanceFilter(ObjectReference instance);
121 }
122