| org.axiondb.Constraint
All known Subclasses: org.axiondb.constraints.BaseConstraint,
| Constraint | | public interface Constraint extends Serializable(Code) | | A database constraint, such as UNIQUE or NOT NULL.
version:
$Revision: 1.16 $ $Date: 2005/12/20 18:32:40 $
author:
Rodney Waldhoff
author:
James Strachan |
| evaluate | | boolean evaluate(RowEvent event) throws AxionException(Code) | | Evaluate the given event under me. Returns false if the
constraint I represent has been violated.
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| getType | | String getType()(Code) | | Get a human-readable descrption of the type of constraint I represent.
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| isDeferrable | | boolean isDeferrable()(Code) | | Return whether or not I am deferrable.
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| isDeferred | | boolean isDeferred()(Code) | | Return whether or not I am deferred. Deferred constraints are not evaluated until
the transaction is committed.
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| setDeferrable | | void setDeferrable(boolean deferrable)(Code) | | Set whether or not I am deferrable.
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| setDeferred | | void setDeferred(boolean deferred) throws AxionException(Code) | | Set whether or not I am deferred. Deferred constraints are not evaluated until the
transaction is committed. Throws an exception if I am not
Constraint.isDeferrable deferrable and deferred is true.
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