Java™ CAPS Basics: Implementing Common EAI Patterns

Chapter Nine. Messaging Endpoints

Introduction

This chapter discusses a series of patterns [EIP] grouped under the Messaging Endpoints category. A number of these patterns, such as Competing Consumers and Event-Driven Consumer, were covered in earlier chapters. In many cases, a number of Java CAPS features and facilities must be used together to implement specific patterns, such as Polling Consumer and Service Activator. Examples developed to illustrate these topics, which introduce some advanced techniques, are worth studying in themselves.

Messaging Gateway

Messaging Gateway is, according to [EIP], the means of encapsulating access to the messaging system. The goal is to ensure that the application need not be aware of the intricacies of directly ...