code: @Override
  	public void terminateMachine( TargetHandlerParameters parameters, String machineId ) throws TargetException {
  
  		this.logger.fine( "Terminating machine " + machineId );
  		ComputeService computeService = jcloudContext( parameters.getTargetProperties());
  		computeService.destroyNode( machineId );
  		computeService.getContext().close();
  	}
docs: /*
  (non-Javadoc)
  @see net.roboconf.target.api.TargetHandler
  #terminateMachine(net.roboconf.target.api.TargetHandlerParameters, java.lang.String)