cdqa.iterator
Class Aggreg

java.lang.Object
  cdqa.iterator.Iterator
      cdqa.iterator.UnaryOpIterator
          cdqa.iterator.Aggreg

public final class Aggreg
extends UnaryOpIterator

Nested Class Summary

Nested classes/interfaces inherited from class cdqa.iterator.Iterator

Iterator.IteratorManager

Field Summary

(package private) AggregFunction

f

Fields inherited from class cdqa.iterator.UnaryOpIterator

i

Fields inherited from class cdqa.iterator.Iterator

current, initValue, NULL

Constructor Summary

Aggreg(Iterator i, AggregFunction f)

Method Summary

XObject

pumpNext()

Methods inherited from class cdqa.iterator.UnaryOpIterator

debugPrint, postInit, preClose, setIterator

Methods inherited from class cdqa.iterator.Iterator

aggreg, all, and, asBooleanIterator, close, constant, constant, constant, constant, constant, empty, exist, getCurrent, init, init, join, join, list, ljoin, ljoin, map, mapL, mapL, mapL, mTOm, next, not, or, rjoin, rjoin, scan, scan, theFalseIterator, theTrueIterator, toPrintWriter

Methods inherited from class java.lang.Object

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

Field Detail

f

AggregFunction f

Constructor Detail

Aggreg

public Aggreg(Iterator i,
              AggregFunction f)

Method Detail

pumpNext

public XObject pumpNext()

Overrides:

pumpNext in class UnaryOpIterator