ReferenceType.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package sun.jvm.hotspot.memory;

//These definitions should be kept in sync with the definitions in the HotSpot code.

public enum ReferenceType {
  REF_NONE ("None reference"),       // Regular class
  REF_OTHER ("Other reference"),     // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below
  REF_SOFT ("Soft reference"),       // Subclass of java/lang/ref/SoftReference
  REF_WEAK ("Weak reference"),       // Subclass of java/lang/ref/WeakReference
  REF_FINAL ("Final reference"),     // Subclass of java/lang/ref/FinalReference
  REF_PHANTOM ("Phantom reference"); // Subclass of java/lang/ref/PhantomReference

  private final String value;

  ReferenceType(String val) {
    this.value = val;
  }
  public String value() {
    return value;
  }
}