Manage formulas as discriminators
---------------------------------
Key: HIB-204
URL: http://jira.andromda.org/browse/HIB-204
Project: Hibernate Cartridge
Type: New Feature
Reporter: Franco Caponi
Assigned to: Carlos Cuenca
Hibernate documentation say that is possible using the formula attribute of the
discriminator tag, but AndroMDA doesn't implement this feature.
>From Hibernate documentation:
[QUOTE]
The <discriminator> element is required for polymorphic persistence using the
table-per-class-hierarchy mapping strategy and declares a discriminator column
of the table. The discriminator column contains marker values that tell the
persistence layer what subclass to instantiate for a particular row. A
restricted set of types may be used: string, character, integer, byte, short,
boolean, yes_no, true_false.
<discriminator
column="discriminator_column" (1)
type="discriminator_type" (2)
force="true|false" (3)
insert="true|false" (4)
formula="arbitrary sql expression" (5)
/>
[/QUOTE]
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