cdqa.function
Class AggregFunction

java.lang.Object
  cdqa.function.Function
      cdqa.function.AggregFunction

Direct Known Subclasses:

NumAggregFunction

public abstract class AggregFunction
extends Function

Field Summary

Fields inherited from class cdqa.function.Function

NULL, repository

Constructor Summary

AggregFunction()

Method Summary

Iterator	createIteratorInstance(Iterator i)
XObject	execute(Iterator i)
abstract XObject	onExecute(Iterator i)

Methods inherited from class cdqa.function.Function

createIteratorInstance, createIteratorInstance, forName, getRepository

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregFunction

public AggregFunction()

Method Detail

onExecute

public abstract XObject onExecute(Iterator i)

createIteratorInstance

public Iterator createIteratorInstance(Iterator i)

Overrides:

createIteratorInstance in class Function

execute

public final XObject execute(Iterator i)