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115 lines
3.5 KiB
Java
115 lines
3.5 KiB
Java
/* LockInfo.java - Information on a lock.
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Copyright (C) 2006 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.lang.management;
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import java.beans.ConstructorProperties;
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/**
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* Provides information on a lock held by a thread.
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* A lock can be either a built-in monitor, an
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* <emph>ownable synchronizer</emph> (i.e. a subclass
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* of {@link java.util.concurrent.locks.AbstractOwnableSynchronizer}),
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* or a {@link java.util.concurrent.locks.Condition}
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* object.
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*
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* @author Andrew John Hughes (gnu_andrew@member.fsf.org)
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* @since 1.6
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*/
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public class LockInfo
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{
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/**
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* The class name of the lock object.
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*/
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private String className;
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/**
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* The identity hash code of the lock object.
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*/
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private int identityHashCode;
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/**
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* Constructs a new {@link LockInfo} object with the
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* specified class name and identity hash code.
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*
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* @param className the name of the class of the lock object.
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* @param identityHashCode the identity hash code of the
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* lock object.
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*/
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@ConstructorProperties({"className","identityHashCode"})
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public LockInfo(String className, int identityHashCode)
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{
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this.className = className;
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this.identityHashCode = identityHashCode;
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}
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/**
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* Returns the class name of the lock object.
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*
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* @return the class name of the lock object.
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*/
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public String getClassName()
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{
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return className;
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}
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/**
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* Returns the identity hash code of the lock object.
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*
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* @return the identity hash code of the lock object.
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*/
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public int getIdentityHashCode()
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{
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return identityHashCode;
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}
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/**
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* Returns a textual representation of the lock,
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* constructed by concatenating the class name,
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* <code>'@'</code> and the identity hash code
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* in unsigned hexadecimal form.
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*
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* @return a textual representation of the lock.
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*/
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public String toString()
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{
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return className + '@' + Integer.toHexString(identityHashCode);
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}
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}
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