/**
* A new method that interrupts the worker thread. Call this method to force the worker to stop
* what it's doing.
*/
public void interrupt() {
Thread t = threadVar.get();
if (t != null) {
t.interrupt();
}
threadVar.clear();
}
/**
* Return the value created by the <code>construct</code> method. Returns null if either the
* constructing thread or the current thread was interrupted before a value was produced.
*
* @return the value created by the <code>construct</code> method
*/
public Object get() {
while (true) {
Thread t = threadVar.get();
if (t == null) {
return getValue();
}
try {
t.join();
} catch (InterruptedException e) {
Thread.currentThread().interrupt(); // propagate
return null;
}
}
}
/** Start the worker thread. */
public void start() {
Thread t = threadVar.get();
if (t != null) {
t.start();
}
}
/** Allows the priority of the worker thread to be set. */
public void setPriority(int priority) {
threadVar.get().setPriority(priority);
}