compareNodes

Short summary

compares two objects (should be nodevalues, or values to be inserted), uses the comparator set with method setNodeComparator

Return: SMALLER: object1 precedes in order, EQUAL: object1 and object2 at the same position in order, GREATER: object1 is after in order. Checkout the library CNM_ReturnTypes.

• Return type: CNM_ReturnTypes.ComparationResult

Parameters

Name	Type	Comment	Kind
object1	CNM_AbstractObject.IObject	first object to compare	input
object2	CNM_AbstractObject.IObject	second object to compare	input

Code

Declaration

METHOD PROTECTED compareNodes :CNM_ReturnTypes.ComparationResult
VAR_INPUT
	(*first object to compare*)
	object1 :CNM_AbstractObject.IObject;
	(*second object to compare*)
	object2 :CNM_AbstractObject.IObject;
END_VAR

Implementation

IF THIS^.isObjectNull(THIS^.nodeComparator) THEN
	compareNodes := object1.compareTo(object2);
ELSE
	compareNodes := THIS^.nodeComparator.compare(object1,object2);
END_IF