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Groovy: A powerful, dynamic language for the JVM
package org.codehaus.groovy.util;
/**
*
*
* @author Alex Tkachman
* @author Jochen Theodorou
*/
public class ManagedReference implements Finalizable {
private static final ReferenceManager NULL_MANAGER = new ReferenceManager(null){};
private final Reference> ref;
private final ReferenceManager manager;
public ManagedReference(ReferenceType type, ReferenceManager rmanager, T value) {
if (rmanager==null) rmanager = NULL_MANAGER;
this.manager = rmanager;
this.ref = type.createReference(value, this, rmanager.getReferenceQueue());
rmanager.afterReferenceCreation(ref);
}
public ManagedReference(ReferenceBundle bundle, T value) {
this(bundle.getType(),bundle.getManager(),value);
}
public final T get() {
return ref.get();
}
public final void clear() {
ref.clear();
manager.removeStallEntries();
}
public void finalizeReference(){
clear();
}
}