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On 18 Jan 2013 06:24, Richard Schoen wrote:
Do you know if there is an exit point that gets called from EDTF ?
If one were to use the existing model of database source members as
the model for the source repository then there is more than just SEU\RDP
would need to be intercepted to ensure tracking of source changes. Thus
the mention of EDTF [of a source (not stream) file] by Rob. However
what about DFU and SQL, or any HLL?
In writing a feature to manage a source repository, I would probably
choose not to use the original source database members for storing the
data [and incremental changes]. Sure they could be checked-out into a
member if that was where they needed to be, but such a utility might
best hold all of the data privately where only those profiles deemed to
have authority within that utility can override any controls. But it
seems the primary goal here is to fit the RDP in with the typical model
whereby a production source in existing members must be controlled; i.e.
not building a separate entity as source repository from which the data
is copied for checkout to perform change activity.
Anyhow... the only means to effectively intercept all database source
member open activity is to go with the system-wide database open exit
point [and the desirable but non-existent corresponding close exit
point; regardless there may seem to be one, by naming].
http://publib.boulder.ibm.com/infocenter/iseries/v7r1m0/topic/apis/xopendbf.htm
_i Open Database File Exit Program i_
" Required Parameter Group:
1 Open Database File Input Information Input Char(*)
2 Return Code Output Binary(4)
Exit Point Name: QIBM_QDB_OPEN
Exit Point Format Name: DBOP0100
QSYSINC Member Name: EDBOPNDB
The Open Database File exit program is called when a job is opening a
database file. This exit is called in the job that is attempting to open
the file. The exit program is passed a list of files referenced in the
open request and the open options. The exit program may set a return
code value to end the open request. When an open request is issued, the
operating system calls the user-written exit program through the
registration facility. For information about adding an exit program to
an exit point, see the Registration Facility APIs.
...
Exit program introduced: V5R3"
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