Book Image

BizTalk Server 2010 Cookbook

By : Steef-Jan Wiggers
Book Image

BizTalk Server 2010 Cookbook

By: Steef-Jan Wiggers

Overview of this book

BizTalk enables the integration and managment of automated business processes within or across organizational boundaries. To build a solid BizTalk solution, deploy a robust environment, and keep it running smoothly you sometimes need to broaden your spectrum, explore all possibilities, and choose the best solution for your purpose. By following the recipes in this book you will gain required knowledge and succeed in your implementation. With BizTalk Server 2010 Cookbook, you can leverage and hone your skills. More than 50 recipes will guide you in implementing BizTalk solutions, setting up a robust and well performing BizTalk environment, and choosing the right solution for monitoring it. As a developer or administrator you greatly benefit from taking these recipes to work. In this book a developer and administrator will see how to deploy, build, and maintain a BizTalk environment. How to apply patterns for robust orchestrations, messaging and testing. Administrators will learn to set up an environment using Microsoft best practices and tools to deliver a robust, performing and durable BizTalk environment. Besides setting up their environments administrators can also decide through a number of recipes how to monitor and maintain the environment. A developer can contribute to a healthy environment by implementing instrumentation in artefacts, applying well suited pattern(s) and testing the solutions built.
Table of Contents (17 chapters)
BizTalk Server 2010 Cookbook
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Calling rules in an orchestration


A rule set (policy) can be called inside an orchestration by using the Call Rules shape. Within an orchestration, you can use the Call Rules shape to invoke a policy. The policy on its turn, invokes the rule engine which operates on the rules in the policy. The rules engine can also be programmatically called from the expression code, for example, in an Expression or Message Assignment shape. The following diagram illustrates an orchestration calling the rule engine:

The difference between calling rules from the Call Rules shape and calling rules from the Expression shape is that with the Call Rules shape the latest version will always be called, while with the Expression shape older versions will be called. The Expression shape offers more flexibility when it comes to calling rules. However, the Call Rules shape is the most common and recommended way to invoke a policy from an orchestration.

In this recipe, you will:

  • Create an XML schema

  • Create a policy using...