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
Framework Configuration Guide
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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).
The settings for each named GenericHelper are specified datsource elements in the entityengine.xml file. For a JDBC helper these would include database connection parameters such as either the JNDI data source parameters or the JDBC parameters including the driver name, the JDBC URI, and the username and password for the database. An EJB helper would contain JNDI parameters such as the context provider URL, the initial context factory, and the URL package prefixes.
The Delegator is the primary access method for Entity Engine services. Each service request is dispatched to the helper that corresponds to the entity that the service is requested for according to the group name of the entity specified in the entity group XML file and the helper for that group specified in the entityengine.xml file. The default entity group XML file for the OFBiz entity model can be found in ofbiz/commonapp/entitydef/entitygroup.xml.
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