/*

 * Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

package sun.jvm.hotspot.runtime;

import sun.jvm.hotspot.debugger.*;

import sun.jvm.hotspot.utilities.*;

public class MonitorInfo {

  private OopHandle owner;

  private BasicLock lock;

  private OopHandle ownerKlass;

  private boolean eliminated;

  private boolean ownerIsScalarReplaced;

  public MonitorInfo(OopHandle owner, BasicLock lock, boolean eliminated, boolean ownerIsScalarReplaced) {

    if (!ownerIsScalarReplaced) {

      this.owner = owner;

      this.ownerKlass = null;

    } else {

      Assert.that(eliminated, "monitor should be eliminated for scalar replaced object");

      this.owner = null;

      this.ownerKlass = owner;

    }

    this.eliminated = eliminated;

    this.ownerIsScalarReplaced = ownerIsScalarReplaced;

  }

  public OopHandle owner() {

   Assert.that(!ownerIsScalarReplaced, "should not be called for scalar replaced object");

   return owner;

  }

  public OopHandle ownerKlass() {

   Assert.that(ownerIsScalarReplaced, "should not be called for not scalar replaced object");

   return ownerKlass;

  }

  public BasicLock lock()  { return lock; }

  public boolean eliminated() { return eliminated; }

  public boolean ownerIsScalarReplaced() { return ownerIsScalarReplaced; }

}