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Mastering Apache Camel

By : Jean-Baptiste Onofré

3.2 (6)

Mastering Apache Camel

3.2 (6)

By: Jean-Baptiste Onofré

Overview of this book

This book is intended for all Camel users who want to get the best out of Camel, and who want to implement the most efficient integration logic using best practices.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Key Features

1. Key Features

What is Apache Camel?

Components and bean support

Predicates and expressions

Data format and type conversion

Easy configuration and URI

Lightweight and different deployment topologies

Quick prototyping and testing support

Management and monitoring using JMX

Active community

Summary

2. Core Concepts

2. Core Concepts

Messages

Exchange

Camel context

Processor

Routes

Channels

Domain Specific Languages (DSL)

Component, endpoint, producer, and consumer

Data format

Type converter

Summary

3. Routing and Processors

3. Routing and Processors

What is a processor?

An example of Camel routes containing processors

Summary

4. Beans

4. Beans

Registry

Creating CompositeRegistry

Service activator

Bean and method bindings

Annotations

Example – creating an OSGi bundle with a bean

Building and deploying

Summary

5. Enterprise Integration Patterns

5. Enterprise Integration Patterns

EIP processors

Messaging systems EIPs

Messaging channels EIPs

Message Construction EIPs

Message Routing

Message Transformation EIPs

The Messaging Endpoints EIPs

System Management EIPs

Summary

6. Components and Endpoints

6. Components and Endpoints

Components

Endpoint

A custom component example

Summary

7. Error Handling

7. Error Handling

Types of errors

Camel error handlers

Error handlers scopes

Error handler features

Try, Catch, and Finally

Summary

8. Testing

8. Testing

Unit test approach with the Camel test kit

A complete example

Additional annotations

Mocking OSGi services

Summary

Index

Index

Customer Reviews

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Chapter 2. Core Concepts

This chapter introduces the core concepts of Camel. These concepts are the key basis of all functionalities provided by Camel. We will use them in the next chapters. As we have seen in the previous chapter, Camel is an integration framework. This means that it provides everything to implement your mediation logic: messaging, routing, transformation, and connectivity.

We will look at the following concepts:

Messages
Exchanges
Camel contexts

Visually different images

CONTINUE READING

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