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

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*[[EclipseLink/UserGuide/JPA/Basic JPA Development/Transactions|Transactions]]
 
*[[EclipseLink/UserGuide/JPA/Basic JPA Development/Transactions|Transactions]]
  
 
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Project development is a 3-step process.
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<table width="800" cellpadding="5">
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<tr valign="top">
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<td>
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<div style="padding:5px;border:1px solid #000000;width:250px;background:#cff8d9">
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==Step 1==
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Define your persistence units in <tt>persistence.xml</tt>.
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</div>
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*[[EclipseLink/UserGuide/JPA/Basic_JPA_Development/Configuration/JPA/persistence.xml|About the persistence.xml file]]
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*[[EclipseLink/UserGuide/JPA/Basic_JPA_Development/Configuration/JPA/persistence.xml|Specifying the persistence unit]]
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</td>
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<td>
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<div style="padding:5px;border:1px solid #000000;width:250px;background:#cff8d9">
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==Step 2==
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Annotate classes with @Entity, @Embeddable, and @MappedSuperClass and/or define classes in your mapping file (orm.xml).
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</div>
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*[[EclipseLink/UserGuide/JPA/Basic_JPA_Development/Mapping/Entity|Configuring an entity]]
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*[[Using_EclipseLink_JPA_Extensions_%28ELUG%29|EclipseLink extensions]]
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</td>
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<td>
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<div style="padding:5px;border:1px solid #000000;width:250px;background:#cff8d9">
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==Step 3==
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Configure your application with:
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* javax.persistence.transactionType
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* javax.persistence.jtaDataSource
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* javax.persistence.nonJtaDataSource
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</div>
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* [[EclipseLink/UserGuide/JPA/Advanced_JPA_Development/Platform_Specific_Configurations|Application development]]
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*[[Packaging_and_Deploying_EclipseLink_JPA_Applications_%28ELUG%29|Packaging and deployment]]
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</td>
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</tr>
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</table>
  
  

Revision as of 10:20, 16 June 2010

Basic JPA Development

To develop a JPA project, you must configure 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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