Class OMForeignKeyTransformer
- java.lang.Object
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- org.apache.torque.templates.transformer.om.OMForeignKeyTransformer
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public class OMForeignKeyTransformer extends Object
Sets the foreign tables for each of the foreign keys, and define variables, getters and setters for the complexObjectModel. So the source elements are (attributes not shown) foreign-key reference reference ... and the result is foreign-key reference local-column column foreign-column column reference local-column column foreign-column column ... local-field (properties for the field on the local table's database object referencing the foreign database object) foreign-field (properties for the field on the foreign table's database object referencing the local database objects) table (the foreign referenced table) On running this transformer, the javaName Attribute on the columns must be set properly.
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Constructor Summary
Constructors Constructor Description OMForeignKeyTransformer()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
createLocalElementForReference(SourceElement localTable, SourceElement reference)
Creates the child element "local-column" for the reference element and adds the local column as a child of it.void
transform(SourceElement foreignKey, ControllerState controllerState)
void
transformSecondPass(SourceElement foreignKey, ControllerState controllerState)
Second pass of the transformation.
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Method Detail
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transform
public void transform(SourceElement foreignKey, ControllerState controllerState) throws SourceTransformerException
- Throws:
SourceTransformerException
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transformSecondPass
public void transformSecondPass(SourceElement foreignKey, ControllerState controllerState) throws SourceTransformerException
Second pass of the transformation. Performs all steps which require that the first pass is complete.- Parameters:
foreignKey
- the element to transform, not null.controllerState
- the controller state, not null.- Throws:
SourceTransformerException
- if the transformation fails
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createLocalElementForReference
protected void createLocalElementForReference(SourceElement localTable, SourceElement reference) throws SourceTransformerException
Creates the child element "local-column" for the reference element and adds the local column as a child of it.- Parameters:
localTable
- the local table element.reference
- the referenced element to enrich.- Throws:
SourceTransformerException
- if the referenced column cannot be found.
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