Processing flow

The standard program is called from applications that must start again.

The application programs pass this parameter list to the standard program:

• Request code
• Return code
• Data structure name (the contents of the notify object)

Request codes perform the following operations:

• R (Read)

  Retrieves the last record added to the notify object with the same key. The return code is set as:

  0

  No record is available (no start again required).

  1

  Record returned in the information field for starting again (start again required).

• WA (Write)

  Writes a record to the file. This code can be used if you use a notify object for your own purposes. For example, if the program determines that the transaction needs to be started again, the program can write a record to the notify object to simulate what the system will do if a job or the system fails.

• DE (Delete)

  Deletes all records in the notify object with the same key. The return code is set as:

  0

  No records exist to be deleted.

  1

  One or more records were deleted.

• OE (Open)

  The O request code is optional and is used to avoid having to start the processing program each time it is called.

• CA (Close)

  After the open request code is used, using the close request code ensures that the file is closed.

• SA (Search)

  Returns the last record for this user. The program name is not used. This code can be used in an initial program to determine whether starting again is required.