In IMS there are two styles of programs: message processing programs (MPP) and batch message processing programs (BMP). MPP programs can be called via IMS Connect.
 |
Extract the interface of the COBOL server program. See Using the IDL Extractor for COBOL - Overview. |
 |
Generate REST resources, connection and adapter services in Integration Server. |
 |
Execute the call from the REST client to the COBOL server program. |
It is important to know whether your COBOL server runs in MPP (online transaction) mode or BMP (batch processing) mode. If you are unsure, consult a COBOL IMS specialist or see description of interface type in the IDL Extractor for COBOL documentation for details and examples: IMS MPP | IMS BMP.
When you are sure which programing style you are using, continue with the appropriate scenario: