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Difference between revisions of "Configuring a Relational Transformation Mapping (ELUG)"

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<div style="margin:5px;float:right;border:1px solid #000000;padding:5px">__TOC__
 
<div style="margin:5px;float:right;border:1px solid #000000;padding:5px">__TOC__
[[Special:Whatlinkshere/Configuring a Relational Transformation Mapping (ELUG)|Related Topics]]</div>This section describes the various components that you must configure in order to use a relational transformation mapping.
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[[Special:Whatlinkshere/Configuring a Relational Transformation Mapping (ELUG)|Related Topics]]</div>
* For information on how to configure EclipseLink mappings options common to two or more mapping types, see [[Configuring%20a%20Mapping%20(ELUG)|Configuring a Mapping]].
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* For information on how to create EclipseLink mappings, see [[Creating%20a%20Mapping%20(ELUG)|Creating a Mapping]].
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For information on how to create EclipseLink mappings, see [[Creating%20a%20Mapping%20(ELUG)|Creating a Mapping]].
  
 
This table lists the configurable options for a relational transformation mapping.
 
This table lists the configurable options for a relational transformation mapping.

Revision as of 12:34, 19 December 2007

For information on how to create EclipseLink mappings, see Creating a Mapping.

This table lists the configurable options for a relational transformation mapping.

Option Workbench Java

Attribute transformer

Supported

Supported

Field transformer associations

Supported

Supported

Indirection (lazy loading)

Supported

Supported

Configuring a Type Conversion Converter

Supported

Supported

Mapping comments

Supported

Supported

Method or direct field access

Supported

Supported

Read-only mapping

Supported

Supported


This example shows how to create a transformation mapping and add it to a descriptor using Java code.

Transformation Mapping

public void customize(ClassDescriptor descriptor) { 
    TransformationMapping mapping = new TransformationMapping();  

    // configure mapping
    ... 

    // add mapping to descriptor
    descriptor.addMapping(mapping);
}

For more information, see the following:



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