/*

 * Copyright (c) 2000, 2003, 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;

/** This is a type-safe enum mirroring the JavaThreadState enum in

    globalDefinitions.hpp. The conversion between the underlying ints

    and these values is done in JavaThread. */

public class JavaThreadState {

  private String stringVal;

  /** Should never happen (missing initialization) */

  public static final JavaThreadState UNINITIALIZED     = new JavaThreadState("UNINITIALIZED");

  /** Just starting up, i.e., in process of being initialized */

  public static final JavaThreadState NEW               = new JavaThreadState("NEW");

  /** Corresponding transition state (not used, included for completness) */

  public static final JavaThreadState NEW_TRANS         = new JavaThreadState("NEW_TRANS");

  /** Running in native code */

  public static final JavaThreadState IN_NATIVE         = new JavaThreadState("IN_NATIVE");

  /** Corresponding transition state */

  public static final JavaThreadState IN_NATIVE_TRANS   = new JavaThreadState("IN_NATIVE_TRANS");

  /** Running in VM */

  public static final JavaThreadState IN_VM             = new JavaThreadState("IN_VM");

  /** Corresponding transition state */

  public static final JavaThreadState IN_VM_TRANS       = new JavaThreadState("IN_VM_TRANS");

  /** Running in Java or in stub code */

  public static final JavaThreadState IN_JAVA           = new JavaThreadState("IN_JAVA");

  /** Corresponding transition state (not used, included for completness) */

  public static final JavaThreadState IN_JAVA_TRANS     = new JavaThreadState("IN_JAVA_TRANS");

  /** Blocked in vm */

  public static final JavaThreadState BLOCKED           = new JavaThreadState("BLOCKED");

  /** Corresponding transition state   */

  public static final JavaThreadState BLOCKED_TRANS     = new JavaThreadState("BLOCKED_TRANS");

  /** Special state needed, since we cannot suspend a thread when it is in native_trans */

  private JavaThreadState(String stringVal) {

    this.stringVal = stringVal;

  }

  public String toString() {

    return stringVal;

  }

}