A Batch Manager is generated for each batch load module that has DB2 as the target DBMS. The Batch Manager functions similarly to the Dialog Manager. The Batch Manager controls the dialog flow between procedure steps. Batch processing only allows forward transfers and does not allow links. Batch processing cannot return to a procedure step after it moves to the next step.
CA Gen batch applications use the following three special files, referenced in the JCL by the Data Definition (DD) names TIRIOVF, TIRMSGF, and TIRERRF. CA Gen accesses these files through the CA Gen-provided runtime routine TIRBTCH.
The data set used to pass data, that is views and Batch Manager control information, from one procedure step to another on a dialog flow.
The Batch Manager Message File that provides a trace of procedure steps that are executed, exit states set, exit state messages that are issued, and dialog flows taken.
The Batch Manager Error Message File where CA Gen writes error messages and diagnostic information if a failure occurs. The messages and diagnostic information help determine the cause of the failure.
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