public void cleanup(){
  if (!this.keeperCleanedUp) {
    this.keeperCleanedUp=true;
    keeper.remove(getProcessorId());
  }
}

public void cleanup ( ) { if ( ! this . keeperCleanedUp ) { this . keeperCleanedUp = true ; keeper . remove ( getProcessorId ( ) ) ; } }
used to cleanup resources allocated by the processor after we are done using it .
