THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Minor corrections by Pawel H Debski and Les Austin
Related Documents
Entity Engine Guide
Framework Configuration Guide
Service Engine Configuration Guide
Introduction
This document describes the configuration of the Entity Engine. It starts with an introduction to of general ideas and then goes through each part of the entityengine.xml file and explains the available elements and their usage. The entityengine.xml file used for the OFBiz applications has examples of a number of different options and is located in
ofbiz/commonapp/etc/entityengine.xml.
The configuration of the Entity Engine is done through a simple XML file called entityengine.xml that must exist somewhere on the classpath. This file is used to define parameters for persistence servers such as EJB server parameters or JDBC server parameters. It is also used to specify which XML entity model, entity group, and field type model files will be used for that server. The default file for the OFBiz distribution can be found in
ofbiz/commonapp/etc/entityengine.xml.
Each application that uses the Entity Engine does so through a Delegator instance. The delegator name must be passed to the static factory method that is then passed to the constructor if a new instance is needed. This delegator name is used to look up settings for that delegator in the entityengine.xml file. Each delegator uses an entity model reader and an entity group reader that specifies a group name for each named entity in the entity model file. The entityengine.xml file contains the settings that map each group name to a GenericHelper for that group. GenericHelper is an interface that must be implemented for each type of data source (i.e.: JDBC, EJB, SOAP, HTTP, et cetera).
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