The J2EE(tm) Tutorial

The J2EE^TM Tutorial

J2EE Connector Architecture

Dale Green and Beth Stearns

The other chapters in this book are intended for business application developers, but this chapter is for advanced users such as system integrators and tools developers. The examples in this chapter demonstrate the J2EE Connector architecture by accessing relational databases. However, this technology is not a substitute for the JDBC API. Business application developers should continue to use the JDBC API to access relational databases.

The J2EE Connector architecture enables J2EE components such as enterprise beans to interact with enterprise information systems (EISs). EIS software includes various types of systems: enterprise resource planning (ERP), mainframe transaction processing, and non-relational databases, among others. The J2EE Connector architecture simplifies the integration of diverse EISs. Each EIS requires just one implementation of the J2EE Connector architecture. Because an implementation adheres to the J2EE Connector Specification, it is portable across all compliant J2EE servers.

In This Chapter

About Resource Adapters

Resource Adapter Contracts
Administering Resource Adapters

The Black Box Resource Adapters

Transaction Levels
Properties
Configuring JDBC Drivers

Resource Adapter Tutorial

Setting Up
Deploying the Resource Adapter
Testing the Resource Adapter

Common Client Interface

Overview of the CCI
Programming with the CCI
Writing a CCI Client
CCI Tutorial

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