uk.ac.bbk.dcs.automed.qproc.functions.collections
Class Flatmap

java.lang.Object
  uk.ac.bbk.dcs.automed.qproc.functions.BuiltInFunction
      uk.ac.bbk.dcs.automed.qproc.functions.collections.Flatmap

public class Flatmap
extends BuiltInFunction

Field Summary

static int	calls
static long	timeSpent

Fields inherited from class uk.ac.bbk.dcs.automed.qproc.functions.BuiltInFunction

arity, logger, typeList

Constructor Summary

Flatmap()

Method Summary

Cell	perform(Cell[] args, Evaluator e)

Methods inherited from class uk.ac.bbk.dcs.automed.qproc.functions.BuiltInFunction

finalize, getArity, getTypeList

Methods inherited from class java.lang.Object

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

Field Detail

calls

public static int calls

timeSpent

public static long timeSpent

Constructor Detail

Flatmap

public Flatmap()
        throws ParseException

Throws:

ParseException

Method Detail

perform

public Cell perform(Cell[] args,
                    Evaluator e)
             throws TypeException,
                    QProcException

Specified by:

perform in class BuiltInFunction

Returns:

a Cell object that is the root of a graph that represents the result of applying the built-in function to the arguments args. Uses the Evaluator e to evaluate any sub-queries that need to be evaluated.

Throws:

TypeException

QProcException