Java - Código JAVA hilo finalice

long time = System.currentTimeMillis();

time = time/1000;

Integer downTime = null;

try {

	downTime = 3600

	if ( null != thread ) {

		while ( !thread.isInterrupted() && thread.isAlive() ) {

			long currentTime = System.currentTimeMillis();

			currentTime = currentTime/1000;

			if( currentTime-time <= downTime ) {

				Thread.sleep( 2000L );

			} else {

				thread.interrupt();

			}

		}

	}

} catch (InterruptedException e) {

	e.printStackTrace();

} catch (S4DSBusinessException e1) {

	e1.printStackTrace();

}