1 /*
   2  * Copyright (c) 2005, 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  *
  32  *  Notification that a thread in the target VM is attempting
  33  *  to enter a monitor that is already acquired by another thread.
  34  * <P>
  35  *
  36  * @see EventQueue
  37  * @see MonitorContendedEnteredEvent
  38  *
  39  *
  40  * @author Swamy Venkataramanappa
  41  * @since  1.6
  42  */
  43 @jdk.Exported
  44 public interface MonitorContendedEnterEvent extends LocatableEvent {
  45 
  46     /**
  47      * Returns the thread in which this event has occurred.
  48      * <p>
  49      *
  50      * @return a {@link ThreadReference} which mirrors the event's thread in
  51      * the target VM.
  52      */
  53     public ThreadReference thread();
  54 
  55     /**
  56      * Returns the method that was entered.
  57      *
  58      * @return an {@link ObjectReference} for the monitor.
  59      */
  60     public ObjectReference  monitor();
  61 }