org.apache.torque.templates.transformer.om
Class OMForeignKeyTransformer

java.lang.Object
  extended by org.apache.torque.templates.transformer.om.OMForeignKeyTransformer

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.


Constructor Summary
OMForeignKeyTransformer()
           
 
Method Summary
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.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

OMForeignKeyTransformer

public OMForeignKeyTransformer()
Method Detail

transform

public void transform(SourceElement foreignKey,
                      ControllerState controllerState)
               throws SourceTransformerException
Throws:
SourceTransformerException

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

createLocalElementForReference

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.

Parameters:
localTable - the local table element.
reference - the refenced element to enrich.


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