org.axiondb.constraints

Class NullConstraint

public class NullConstraint extends BaseSelectableBasedConstraint

A NULL constraint, which is never violated but may be created and dropped.

Version: $Revision: 1.10 $ $Date: 2005/12/20 18:32:46 $

Author: Rodney Waldhoff Ahimanikya Satapathy

Constructor Summary
	NullConstraint()
	NullConstraint(String name)

Method Summary
boolean	evaluate(RowEvent event) Returns `true`.
boolean	evaluate(RowEvent event, RowDecorator dec)
boolean	evaluate(RowIterator oldRows, RowIterator newRows, Table table)

Constructor Detail

public NullConstraint()

public NullConstraint(String name)

public boolean evaluate(RowEvent event)

Returns true.

public boolean evaluate(RowEvent event, RowDecorator dec)

public boolean evaluate(RowIterator oldRows, RowIterator newRows, Table table)