org.axiondb.functions
Class CharFunction
java.lang.Object
org.axiondb.BaseSelectable
org.axiondb.functions.BaseFunction
org.axiondb.functions.CharFunction
- All Implemented Interfaces:
- Serializable, Function, FunctionFactory, ConcreteFunction, ScalarFunction, Selectable
public class CharFunction
- extends BaseFunction
- implements ScalarFunction, FunctionFactory
CHAR(number)
: returns the character
representing the unicode value number .
- Version:
- $Revision: 1.6 $ $Date: 2005/05/02 22:28:41 $
- See Also:
- Serialized Form
CharFunction
public CharFunction()
makeNewInstance
public ConcreteFunction makeNewInstance()
- Specified by:
makeNewInstance
in interface FunctionFactory
getDataType
public DataType getDataType()
CharacterType
- Specified by:
getDataType
in interface Selectable
- Specified by:
getDataType
in class BaseFunction
evaluate
public Object evaluate(RowDecorator row)
throws AxionException
- Specified by:
evaluate
in interface ScalarFunction
- Specified by:
evaluate
in interface Selectable
- Throws:
AxionException
isValid
public boolean isValid()
- Specified by:
isValid
in interface ConcreteFunction
- Specified by:
isValid
in class BaseFunction