selectApplier

• Return type: DINT

Parameters

Name	Type	Comment	Kind
nextStep	DINT	-	input
applier	CNM_CollectionInterfaces.IApplier	-	input
applierIndex	UDINT	-	inout
nextApplier	CNM_CollectionInterfaces.IApplier	-	inout

Code

Declaration

METHOD PRIVATE selectApplier : DINT
VAR_INPUT
	nextStep : DINT;
	applier : CNM_CollectionInterfaces.IApplier;
END_VAR
VAR_IN_OUT
	applierIndex : UDINT;
	nextApplier :CNM_CollectionInterfaces.IApplier;
END_VAR
VAR
	chained	:CNM_CollectionInterfaces.IChainedApplier;
END_VAR
VAR CONSTANT
	NULL : __XWORD := 0;
END_VAR

Implementation

selectApplier := CNM_ReturnTypes.DefaultSteps.STEP.SUCCESS;
IF (__QUERYINTERFACE(applier, chained) AND_THEN (chained.actions.count > applierIndex)) THEN
	nextApplier := chained.actions.getApplier(index := applierIndex);
	selectApplier := nextStep;
	applierIndex := (applierIndex + 1);
ELSIF (THIS^.isObjectNull(nextApplier)) THEN
	nextApplier := applier;	
	selectApplier := nextStep;
END_IF