This document contains the UOW status transition tables for EntireX Broker and covers the following topics:

• Initial UOW Status: NULL | Received

• Initial UOW Status: Accepted | Delivered | Postponed

• Initial UOW Status: Processed | Timedout

• Initial UOW Status: Cancelled | Discarded | Backedout

• Legend for UOW Status Transition Table

• Table of Column Abbreviations

See also Broker ACI Fields | Broker ACI Functions | Error Messages and Codes.

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Initial UOW Status: NULL | Received

Initial UOW Status	Action	Resulting UOW Status				Description
		PU&PS	PU&NPS	NPU&PS	NPU&NPS
Received	Send	Received	Received	Received	Received
Received	Commit	Accepted	Accepted	Accepted	Accepted
Received	ReStart	BackedOut	NULL	Discarded	NULL
Received	BackOut	BackedOut	NULL	BackedOut	NULL
Received	TimeOut	BackedOut	NULL	BackedOut	NULL	R6: This action can only be a conversation timeout since a UOW only exists once it is committed.
Received	Delete	Received	Received	Received	Received
Received	Cancel	Received	Received	Received	Received
Received	Receive	Received	Received	Received	Received

Initial UOW Status: Accepted | Delivered | Postponed

Initial UOW Status	Action	Resulting UOW Status				Description
		PU&PS	PU&NPS	NPU&PS	NPU&NPS
Accepted	Receive	Delivered	Delivered	Delivered	Delivered
Accepted	Timeout	Timedout	NULL	Timedout	NULL
Accepted	Restart	Accepted	Accepted	Discarded	NULL
Accepted	Cancel	Cancelled	NULL	Cancelled	NULL
Accepted	Delete	Accepted	Accepted	Accepted	Accepted
Accepted	BackOut	Accepted	Accepted	Accepted	Accepted
Accepted	Send	Accepted	Accepted	Accepted	Accepted
Accepted	Commit	Accepted	Accepted	Accepted	Accepted
Delivered	Receive	Delivered	Delivered	Delivered	Delivered
Delivered	Commit	Processed	NULL	Processed	NULL
Delivered	Cancel	Cancelled	NULL	Cancelled	NULL	R20: Cancel can only be issued by receiver of the UOW.
Delivered	BackOut	Accepted	Accepted	Accepted	Accepted
Delivered	TimeOut	Timedout	NULL	NULL	NULL
Delivered	Restart	Accepted	Accepted	Discarded	NULL
Delivered	Delete	Delivered	Delivered	Delivered	Delivered
Delivered	Send	Delivered	Delivered	Delivered	Delivered
Postponed	Receive	N/A	N/A	N/A	N/A	Receive cannot be issued by any user
Postponed	Commit	N/A	N/A	N/A	N/A	Commit cannot be issued by any user.
Postponed	Cancel	Cancelled	NULL	Cancelled	NULL	Cancel can only be issued by the sender of the UOW.
Postponed	BackOut	N/A	N/A	N/A	N/A	BackOut cannot be issued by any user.
Postponed	TimeOut	Timedout	NULL	NULL	NULL
Postponed	Restart	Accepted	Accepted	Discarded	NULL
Postponed	Delete	N/A	N/A	N/A	N/A	Delete cannot be issued by any user.
Postponed	Send	N/A	N/A	N/A	N/A	Send cannot be issued by any user.

Initial UOW Status: Processed | Timedout

Initial UOW Status	Action	Resulting UOW Status				Description
		PU&PS	PU&NPS	NPU&PS	NPU&NPS
Processed	Delete	NULL	N/A	NULL	N/A	Processed is a STABLE UOW status:
Processed	Timeout	NULL	NULL	NULL	N/A	All actions and transitions refer to the status of a UOW.
Processed	Restart	Processed	N/A	Processed	N/A
Processed	Backout	Processed	N/A	Processed	N/A
Processed	Cancel	Processed	N/A	Processed	N/A
Processed	Commit	Processed	N/A	Processed	N/A
Processed	Receive	Processed	N/A	Processed	N/A
Processed	Send	Processed	N/A	Processed	N/A
Timedout	Restart	Timeout	N/A	Timeout	N/A	Timedout is a STABLE UOW status:
Timedout	Delete	NULL	N/A	NULL	N/A	All actions and transitions refer to the status of a UOW.
Timedout	Timeout	NULL	N/A	NULL	N/A
Timedout	Send	Timedout	N/A	Timedout	N/A
Timedout	Receive	Timedout	N/A	Timedout	N/A
Timedout	Commit	Timedout	N/A	Timedout	N/A
Timedout	Backout	Timedout	N/A	Timedout	N/A
Timedout	Cancel	Timedout	N/A	Timedout	N/A

Initial UOW Status: Cancelled | Discarded | Backedout

Initial UOW Status	Action	Resulting UOW Status				Description
		PU&PS	PU&NPS	NPU&PS	NPU&NPS
Cancelled	Delete	NULL	N/A	NULL	N/A	Cancelled is a STABLE UOW status:
Cancelled	Restart	Cancelled	N/A	Cancelled	N/A	All actions and transitions refer to the status of a UOW.
Cancelled	TimeOut	NULL	N/A	NULL	N/A
Cancelled	Send	Cancelled	N/A	Cancelled	N/A
Cancelled	Receive	Cancelled	N/A	Cancelled	N/A
Cancelled	Commit	Cancelled	N/A	Cancelled	N/A
Cancelled	Backout	Cancelled	N/A	Cancelled	N/A
Cancelled	Cancel	Cancelled	N/A	Cancelled	N/A
Discarded	Delete	N/A	N/A	NULL	N/A	Discarded is a STABLE UOW status:
Discarded	TimeOut	N/A	N/A	NULL	N/A	All actions and transitions refer to the status of a UOW.
Discarded	Restart	N/A	N/A	Discarded	N/A
Discarded	Cancel	N/A	N/A	Discarded	N/A
Discarded	Send	N/A	N/A	Discarded	N/A
Discarded	Receive	N/A	N/A	Discarded	N/A
Discarded	Commit	N/A	N/A	Discarded	N/A
Discarded	Backout	N/A	N/A	Discarded	N/A
BackedOut	TimeOut	NULL	N/A	NULL	N/A	BackedOut is a STABLE UOW status:
BackedOut	Cancel	BackedOut	N/A	BackedOut	N/A	All actions and transitions refer to the status of a UOW
BackedOut	Restart	BackedOut	N/A	BackedOut	N/A
BackedOut	Send	BackedOut	N/A	BackedOut	N/A
BackedOut	Receive	BackedOut	N/A	BackedOut	N/A
BackedOut	Commit	BackedOut	N/A	BackedOut	N/A
BackedOut	Delete	NULL	N/A	NULL	N/A
BackedOut	Backout	BackedOut	N/A	BackedOut	N/A

Legend for UOW Status Transition Table

Abbreviation	Resulting UOW Status
N/A	Not applicable
UOW Status	Error condition, message issued, no change

Table of Column Abbreviations

Abbreviation	UOW Status
PU	Persistent unit of work
PS	Persistent status
NPU	Non-persistent unit of work
NPS	Non-persistent status