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      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 }
     62