code: public void setIsTrue(boolean newIsTrue)
  	{
  		boolean oldIsTrue = isTrue;
  		isTrue = newIsTrue;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, XbasePackage.XBOOLEAN_LITERAL__IS_TRUE, oldIsTrue, isTrue));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated