Introduction
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Introduction
Oracle Application Server Adapter for IMS/TM (OracleAS Adapter for IMS/TM)
enables you to connect Oracle Application Server to an Information Management
System-Transaction Management (IMS/TM) system. This section provides an
overview of the features and architecture of OracleAS Adapter for IMS/TM.
This section contains the following topics:
■
OracleAS Adapter for IMS/TM Overview
■
OracleAS Adapter for IMS/TM Architecture
OracleAS Adapter for IMS/TM Overview
IMS/TM is a high-performance transaction management system that is part of the IBM
IMS product family.
The application components in IMS/TM are executable programs called transactions.
These programs are typically written in COBOL but may possibly be written in other
languages, such as PL/I, C and even Java. There are several types of IMS/TM
programs including MPPs (Message Processing Programs) and BMP (Batch Message
Processing Programs).
IMS/TM transaction are invoked using an API called OTMA (Open Transaction
Manager Access) as well as through 3270 terminals. IMS/TM transactions are built
around an input message-output message concept with a special layer (MFS)
translating the message to the screen and back, for a user interface.
In addition to OTMA, there is also an IMS/TM transaction gateway that enables
TCP/IP access to IMS/TM transactions.
OracleAS Adapter for IMS/TM includes the following features:
■
Captures and maintains a metadata schema for IMS/TM by importing COBOL
copybooks and transforming them into mapping definitions for Oracle Connect on
the OS/390 or z/OS Series platform and by associating the data structures with
specific physical files.
■
Utilizes an enterprise application integration (EAI) model. Users of a requesting
application can model the interactions that they want implemented, specifying
what each interaction does, when it occurs, and the inputs and outputs expected
for each interaction.
■
Provides access to MPP based IMS/TM transactions. Each OracleAS Adapter for
IMS/TM outbound interaction is mapped to a specific IMS/TM transaction.
■
Maps data structures for facilitating access to IMS/TM transactions from within
OracleAS.
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