com.hardcode.gdbms.engine.function
Class LengthFunction

java.lang.Object
  com.hardcode.gdbms.engine.function.LengthFunction

All Implemented Interfaces:

Function

public class LengthFunction
extends java.lang.Object
implements Function

Constructor Summary

LengthFunction()

Method Summary

Function	cloneFunction() DOCUMENT ME!
Value	evaluate(Value[] args) DOCUMENT ME!
java.lang.String	getName() DOCUMENT ME!
boolean	isAggregate() DOCUMENT ME!

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LengthFunction

public LengthFunction()

Method Detail

evaluate

public Value evaluate(Value[] args)
               throws FunctionException

Description copied from interface: Function

DOCUMENT ME!

Specified by:

evaluate in interface Function

Parameters:

args - DOCUMENT ME!

Returns:

DOCUMENT ME!

Throws:

FunctionException - DOCUMENT ME!

getName

public java.lang.String getName()

Description copied from interface: Function

DOCUMENT ME!

Specified by:

getName in interface Function

Returns:

DOCUMENT ME!

isAggregate

public boolean isAggregate()

Description copied from interface: Function

DOCUMENT ME!

Specified by:

isAggregate in interface Function

Returns:

DOCUMENT ME!

cloneFunction

public Function cloneFunction()

Description copied from interface: Function

DOCUMENT ME!

Specified by:

cloneFunction in interface Function

Returns:

DOCUMENT ME!