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Table of Contents
UnifiedPOS Version 1.14.1 -- October 23, 2014
TABLE OF CONTENTS
INTRODUCTION AND ARCHITECTURE
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NIFIEDPOS ARCHITECTURE FOR RETAIL .................................................................. 1
WHAT IS UNIFIEDPOS? ....................................................................................... 1
A
BOUT THIS DOCUMENTATION ............................................................................. 2
G
OALS ................................................................................................................... 5
D
EPENDENCIES ...................................................................................................... 5
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NIFIEDPOS RELATIONSHIP TO CONFORMING PLATFORM MAPPINGS ................. 5
W
HO SHOULD READ THIS DOCUMENT ................................................................. 6
ARCHITECTURAL OVERVIEW ......................................................................... 7
A
RCHITECTURAL COMPONENTS ............................................................................ 7
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SE OF UML ......................................................................................................... 8
Package Diagram .................................................................................... 10
D
ATA TYPES ........................................................................................................ 11
I
NTRODUCTION TO PROPERTIES, METHODS, AND EVENTS .................................. 12
Properties (UML Attributes) ......................................................................... 12
Methods (UML Operations) .......................................................................... 13
Events (UML Interfaces) ............................................................................... 13
D
EVICE INITIALIZATION AND FINALIZATION ....................................................... 14
Initialization .................................................................................................. 14
Initialization and Error Reporting ................................................................ 14
Finalization ................................................................................................... 17
Summary ........................................................................................................ 17
D
EVICE SHARING MODEL .................................................................................... 18
Exclusive-Use Devices .................................................................................. 18
Sharable Devices ........................................................................................... 18
E
VENTS ................................................................................................................ 19
Errors ................................................................................................................... 20
E
RROR CODES ...................................................................................................... 20
Extended Error Code .................................................................................... 21
D
EVICE INPUT MODEL ......................................................................................... 22
Error Handling ........................................................................................ 23
Miscellaneous .......................................................................................... 24
D
EVICE OUTPUT MODELS ................................................................................... 25
Synchronous Output ...................................................................................... 25
Asynchronous Output .................................................................................... 25
Device Power Reporting Model .......................................................................... 26
Model ............................................................................................................. 26
Power State Diagram .................................................................................... 27
Power Properties ........................................................................................... 28
Power Reporting Requirements for DeviceEnabled ..................................... 29
