compareTo

Short summary

This method compares a foreign object with the own one, this is needed for sort orders.

Return: SMALLER: THIS precedes in order, EQUAL: THIS and object at the same position in order, GREATER: THIS is after in order. Checkout the library CNM_ReturnTypes.

• Return type: CNM_AbstractObject.CNM_ReturnTypes.ComparationResult

Parameters

Name	Type	Comment	Kind
object	CNM_AbstractObject.IObject	foreign object to compare	input

Code

Declaration

METHOD compareTo :CNM_AbstractObject.CNM_ReturnTypes.ComparationResult
VAR_INPUT
	(* foreign object to compare*)
	object	:CNM_AbstractObject.IObject;
END_VAR
VAR 
	node 	:CNM_CollectionInterfaces.IBinaryTreeNode;
	compareObject	:CNM_AbstractObject.IObject;
END_VAR

Implementation

compareTo := CNM_AbstractObject.CNM_ReturnTypes.ComparationResult.GREATER;
IF THIS^.isObjectValid(object) THEN 
	IF(__QUERYINTERFACE(object,node)) THEN
		compareObject := node.object;
	ELSE
		compareObject := object;
	END_IF
	
	IF(THIS^.isObjectValid(THIS^.object))THEN     
		compareTo := THIS^.object.compareTo(compareObject);
	END_IF
END_IF