code: public void setFrequency(Integer newFrequency) {
  		Integer oldFrequency = frequency;
  		frequency = newFrequency;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, AfplibPackage.RESOURCE_USAGE_ATTRIBUTE__FREQUENCY, oldFrequency, frequency));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated