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Difference between revisions of "EclipseLink/UserGuide/JPA/Basic JPA Development"

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=Basic JPA Development=
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{{EclipseLink_Examples
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|example=*[[EclipseLink/Examples/JPA/Configure|Configuration]]
 
|example=*[[EclipseLink/Examples/JPA/Configure|Configuration]]
 
*[[EclipseLink/Examples/JPA/Caching|Caching]]
 
*[[EclipseLink/Examples/JPA/Caching|Caching]]
 
*[[EclipseLink/Examples/JPA#Querying|Queries]]
 
*[[EclipseLink/Examples/JPA#Querying|Queries]]
 
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=Basic JPA Development=
 
To develop a JPA project, you must be aware of the following items:
 
To develop a JPA project, you must be aware of the following items:
 
*[[EclipseLink/UserGuide/JPA/Basic JPA Development/Configuration|JPA Configuration]]
 
*[[EclipseLink/UserGuide/JPA/Basic JPA Development/Configuration|JPA Configuration]]

Revision as of 14:05, 18 June 2010


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Basic JPA Development

To develop a JPA project, you must be aware of the following items:

Project development is a 3-step process.

Step 1

Define your persistence units in persistence.xml.

Step 2

Annotate classes with @Entity, @Embeddable, and @MappedSuperClass and/or define classes in your mapping file (orm.xml).

Step 3

Configure your application with:

  • javax.persistence.transactionType
  • javax.persistence.jtaDataSource
  • javax.persistence.nonJtaDataSource


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