Package de.gmxhome.conrad.jpos.jpos_base.scanner

Interface ScannerInterface

All Superinterfaces:

JposBaseInterface

All Known Implementing Classes:

Scanner, ScannerProperties

public interface ScannerInterface
extends JposBaseInterface

Interface for methods that implement property setter and method calls for the Scanner device category. For details about properties, methods and method parameters, see UPOS specification, chapter Scanner (Bar Code Reader). Further details about error handling can be found in introduction - Device Behavior Models - Errors.

Method Summary

Modifier and Type	Method	Description
void	decodeData(boolean flag)	Final part of setting DecodeData.

Methods inherited from interface de.gmxhome.conrad.jpos.jpos_base.JposBaseInterface

asyncMode, autoDisable, checkHealth, claim, clearInput, clearOutput, close, compareFirmwareVersion, dataEventEnabled, deviceEnabled, directIO, directIO, flagWhenIdle, freezeEvents, handlePowerStateOnEnable, newJposOutputRequest, open, powerNotify, release, removeFromPropertySetList, resetStatistics, retrieveStatistics, retryInput, retryOutput, unitDataCount, updateFirmware, updateFirmware, updateStatistics

Method Details

decodeData

void decodeData(boolean flag)
         throws jpos.JposException

Final part of setting DecodeData. Can be overwritten within derived classes, if necessary. This method will be called only if the following plausibility checks lead to a positive result:

• Device has not been closed,
• internal property AllowAlwaysSetProperties is true or flag equals the previous value of DecodeData.

Parameters:

flag - New DecodeData value

Throws:

jpos.JposException - If an error occurs