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Improved version of the DBus-Java library provided by freedesktop.org (https://dbus.freedesktop.org/doc/dbus-java/).

There is a newer version: 3.3.2

/*
   D-Bus Java Implementation
   Copyright (c) 2005-2006 Matthew Johnson

   This program is free software; you can redistribute it and/or modify it
   under the terms of either the GNU Lesser General Public License Version 2 or the
   Academic Free Licence Version 2.1.

   Full licence texts are included in the COPYING file with this program.
*/
package org.freedesktop.dbus;

import java.lang.ref.WeakReference;

/**
 * An alternative to a WeakReference when you don't want
 * that behaviour.
 */
public class StrongReference extends WeakReference {
    // CHECKSTYLE:OFF
    T referant;
    // CHECKSTYLE:ON

    public StrongReference(T _referant) {
        super(_referant);
        this.referant = _referant;
    }

    @Override
    public void clear() {
        referant = null;
    }

    @Override
    public boolean enqueue() {
        return false;
    }

    @Override
    public T get() {
        return referant;
    }

    @Override
    public boolean isEnqueued() {
        return false;
    }
}