Java Platform, Enterprise Edition (Java EE) 8 The Java EE Tutorial

## 55 Resource Adapters and Contracts

This chapter examines resource adapters and explains how communications between Java EE servers and EIS systems are mediated by them.

The following topics are addressed here:

- What Is a Resource Adapter?

- Metadata Annotations

- Common Client Interface

- Using Resource Adapters with Contexts and Dependency Injection for Java EE (CDI)

- Further Information about Resource Adapters

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