Book Image

Apache OfBiz Cookbook

Book Image

Apache OfBiz Cookbook

Overview of this book

Apache Open For Business (OFBiz) is an enterprise resource planning (ERP) system that provides a common data model and an extensive set of business processes. But without proper guidance on developing performance-critical applications, it is easy to make the wrong design and technology decisions. The power and promise of Apache OFBiz is comprehensively revealed in a collection of self-contained, quick, practical recipes in this Cookbook. This book covers a range of topics from initial system setup to web application and HTML page creation, Java development, and data maintenance tasks. Focusing on a series of the most commonly performed OFBiz tasks, it provides clear, cogent, and easy-to-follow instructions designed to make the most of your OFBiz experience. Let this book be your guide to enhancing your OFBiz productivity by saving you valuable time. Written specifically to give clear and straightforward answers to the most commonly asked OFBiz questions, this compendium of OFBiz recipes will show you everything you need to know to get things done in OFBiz. Whether you are new to OFBiz or an old pro, you are sure to find many useful hints and handy tips here. Topics range from getting started to configuration and system setup, security and database management through the final stages of developing and testing new OFBiz applications.
Table of Contents (15 chapters)
Apache OFBiz Cookbook
Credits
About the Author
About the Reviewers
Preface

Entity Event Condition Actions


It is possible to write ECAs for specific entities using an Entity Event Condition Action (EECA). For example, to trigger an Event, say a notification Service, when a field in an entity changes, you could write an EECA as we shall see in this recipe.

How to do it...

Triggering a notification Service using EECA can be done by following these steps:

  1. 1. If one does not already exist, add an entry in the ofbiz-component.xml file to identify the EECA definition file location as shown:

    <entity-resource type="eca" reader-name="main" loader="main"
    location="entitydef/eecas.xml"/>
    
  2. 2. Create or add an EECA definition file with an XML version declaration and an XML XSD schema declaration, as shown here:

    <?xml version="1.0" encoding="UTF-8"?>
    <entity-eca xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation=
    "http://ofbiz.apache.org/dtds/entity-eca.xsd">
    
  3. 3. Add one or more EECA definitions to the EECA definition file. Don't...