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- Herausgeber: Packt Publishing
- Kategorie: Fachliteratur
- Sprache: Englisch
With new APIs and technologies emerging every day, the need for integrating applications is greater than ever before. With the right tools, integrating applications is not hard. Apache Camel is the leading open source integration and message orchestration framework. Apache Camel, which has a variety of connectors and features numerous well-known integration patterns, has an enormous advantage over home grown integration solutions.
Instant Apache Camel Message Routing helps you to get started using the Camel routing engine and Enterprise Integration Patterns. This book will show you how to create integration applications using Apache Camel. You will learn how Camel works and how to leverage the Enterprise Integration Patterns for message routing.
Instant Apache Camel Message Routing is a practical and step-by-step guide to Apache Camel and integration patterns. This book will show you how Apache Camel works and how it integrates disparate systems using Enterprise Integration Patterns. The book starts with a high level overview of the Camel architecture before diving into message routing principles. Then, it introduces a number of patterns, complete with diagrams, common use cases, and examples about how to use them with Camel. The book also shows you how to test and monitor Camel applications and cope with failure scenarios.
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Seitenzahl: 72
Veröffentlichungsjahr: 2013
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Table of Contents
Instant Apache Camel Message Routing
Instant Apache Camel Message Routing
Copyright © 2013 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.
First published: August 2013
Production Reference: 1260813
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78328-347-7
www.packtpub.com
Credits
Author
Bilgin Ibryam
Reviewer
Carsten Ringe
Acquisition Editor
Akram Hussain
Commissioning Editor
Priyanka Shah
Technical Editors
Pratik More
Harshad Vairat
Project Coordinator
Michelle Quadros
Proofreader
Linda Morris
Graphics
Ronak Dhruv
Yuvraj Mannari
Production Coordinator
Kirtee Shingan
Cover Work
Kirtee Shingan
Cover Image
Sheetal Aute
About the Author
Bilgin Ibryam is a software engineer with Master's degree in Computer Science and currently working for BBC in London. He is interested in a variety of technologies including application integration, message-oriented middleware, service-oriented architecture, and ERP systems. He is also an open source enthusiast, Apache OFBiz, and Apache Camel committer. In his spare time, he enjoys contributing to open source projects and blogging at www.ofbizian.com.
Bilgin can be contacted via Twitter at https://twitter.com/bibryam.
About the Reviewer
Carsten Ringe has been in the IT industry for almost 10 years now. After studying Electrotechnical Engineering at the University of Applied Sciences in Ostwestfalen-Lippe, he decided to follow his passion and focus his career on software development. Since then, he has been working in the following industries: Automation, Defense, Agriculture, and Logistics. He has experience in utilizing Web technologies such as Websphere, Jboss, and is striving for continuous deployments in his projects whenever possible. His current projects are based on Jboss ESB and Camel, and focus on the integration of logistic partners.
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Preface
The world is becoming more connected than ever. There are hundreds of APIs on the Cloud, and more are added every day. Integrating existing systems, creating new applications, which can communicate easily with other applications, is becoming part of the everyday job of developers. Mastering an integration framework like Apache Camel, that can connect to a variety of systems and do message orchestration using well-known Enterprise Integration Patterns, is essential for any software engineer.
What this book covers
Creating a Camel project (Simple) provides a high-level overview of Camel architecture, and demonstrates how to create a simple message driven application.
Routing messages to different destinations (Simple) explains the message structure in Camel, and how to use it for routing messages with a Content-Based Router pattern.
Using components (Simple) shows how Camel utilizes URLs to configure components, and connect to a variety of systems.
Connecting routes (Simple) covers Message Exchange Patterns in Camel, and connecting routes with other parts of the applications.
Removing unwanted messages (Simple) introduces Message Filter and Idempotent Consumer patterns along with the powerful Bean Binding feature.
Transforming messages (Intermediate) demonstrates a variety of ways in which message transformations happens in Camel applications.
Splitting a message into many (Intermediate) presents the Splitter pattern and how the Camel threading model works.
Aggregating multiple messages into one (Intermediate) shows the Aggregator pattern and its usage in other patterns, such as Scatter-Gather and Composed Message Processor.
Reorganizing messages (Intermediate) introduces three more patterns used for changing the message order and frequency: Resequencer, Throttler, and Delayer.
Multicasting messages (Intermediate) shows how to send a message to multiple recipients using Recipient List and Wire Tap patterns.
Error handling and monitoring (Advanced) explains the Dead Letter Channel pattern, and the different techniques used in Camel for monitoring and dealing with errors.
Testing the messaging applications (Advanced) presents the different tools provided by Camel for testing the routing logic.
What you need for this book
In order to run the examples accompanying this book, you will need Java 6 or higher, Apache Maven 2.2.1 or higher, and Apache Camel version 2.11 or higher.
Who this book is for
This book is intended for Java developers who are new to Apache Camel and message oriented applications. It shows how to do application integration using the industry standard Enterprise Integration Patterns.
Conventions
In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.
Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "In the Java DSL, we create a route by extending RouteBuilder and overriding the configure method."
A block of code is set as follows:
Note
Warnings or important notes appear in a box like this.
Tip
Tips and tricks appear like this.
