org.axiondb.functions

Class IsNullFunction

public class IsNullFunction extends BaseFunction implements ScalarFunction, FunctionFactory

Version: $Revision: 1.2 $ $Date: 2004/09/09 23:47:44 $

Author: Rodney Waldhoff

Constructor Summary
IsNullFunction()
Method Summary
Objectevaluate(RowDecorator row)
DataTypegetDataType()
booleanisValid()
ConcreteFunctionmakeNewInstance()

Constructor Detail

IsNullFunction

public IsNullFunction()

Method Detail

evaluate

public Object evaluate(RowDecorator row)

getDataType

public DataType getDataType()

isValid

public boolean isValid()

makeNewInstance

public ConcreteFunction makeNewInstance()