sirius.db.mixing.annotations

Annotation Type Unique

@Retention(value=RUNTIME)
 @Target(value=FIELD)
public @interface Unique

Marks a property as unique.

A value in this column must only occur once. If within is filled, the value must only occur once while having the same values for the properties enumerated in within.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	includingNull Determines if the null also must be unique.
String[]	within Names properties which must also match fro two entities to trigger the unique check.

Element Detail

within

public abstract String[] within

Names properties which must also match fro two entities to trigger the unique check.

Returns:

the list of properties which determine the scope of the uniqueness

Default:

{}

includingNull

public abstract boolean includingNull

Determines if the null also must be unique.

Returns:

true if null also must occur at most once, false (default) otherwise

Default:

false