executeCommand

Short summary

This method performs the given command and evaluates the return value. The command will be called with execute := FALSE in the first cylce and with execute := TRUE in all following

Parameters

Name	Type	Comment	Kind
command	CNM_CommandInterfaces.ICommand	command to execute	input
errorStep	DINT	step to proceed with in case of error	input

Code

Declaration

METHOD executeCommand
VAR_INPUT
	(* command to execute *)
	command :CNM_CommandInterfaces.ICommand;
	(* step to proceed with in case of error *)
	errorStep :DINT := CNM_ReturnTypes.DefaultSteps.STEP.ERROR;
END_VAR

Implementation

THIS^.registeredCommand := TRUE;

IF(THIS^.isObjectNull(command))THEN
	THIS^.evaluate(CNM_ReturnTypes.SingleExecutionState.ERROR, errorStep);	
ELSE
	THIS^.evaluate(command.executeCommand(THIS^.executeStep), errorStep);	
END_IF