Connecting to IMS with the IMS Universal Database resource adapter

The IMS Universal Database resource adapter provides connectivity to IMS databases from a Java™ EE-managed environment.

The Common Client Interface (CCI) provides ConnectionFactory and Connection interfaces to establish a connection with an Enterprise Information System (EIS). When using the CCI programming interface with the IMS Universal Database resource adapter, your Java application component looks up a ConnectionFactory instance using the Java Naming and Directory Interface (JNDI) and uses the ConnectionFactory instance to get a connection to an IMS database.

Similarly, when using the JDBC programming interface with the IMS Universal JCA/JDBC driver, your Java application component looks up a DataSource instance using JNDI, and uses the DataSource instance to obtain a Connection object

RRSLocalOption connectivity type

In addition to type-4 and type-2 connectivity, the RRSLocalOption connectivity type is supported by the IMS Universal Database resource adapter running on WebSphere® Application Server for z/OS®. With RRSLocalOption connectivity, applications using the IMS Universal Database resource adapter do not issue commit or rollback calls. Instead, transaction processing is managed by WebSphere Application Server for z/OS. Two-phase commit (XA) transaction processing is not supported with RRSLocalOption connectivity type.