cdqa.iterator
Class Join

java.lang.Object
  cdqa.iterator.Iterator
      cdqa.iterator.Join

public final class Join
extends Iterator

join iterator extends Iterator

Author:

simonkm

Nested Class Summary

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

Iterator.IteratorManager

Field Summary

(package private) BinaryFunction	f
(package private) boolean	iterLeft
(package private) Iterator	left
(package private) BinaryPredicate	p
(package private) Iterator	right

Fields inherited from class cdqa.iterator.Iterator

current, initValue, NULL

Constructor Summary

Join(Iterator left, Iterator right, BinaryFunction f, BinaryPredicate p)

Method Summary

BooleanIterator	asBooleanIterator()
void	debugPrint(int inc)
void	postInit()
void	preClose()
XObject	pumpNext() pumpNext()

Methods inherited from class cdqa.iterator.Iterator

aggreg, all, and, 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

left

Iterator left

right

Iterator right

f

BinaryFunction f

p

BinaryPredicate p

iterLeft

boolean iterLeft

Constructor Detail

Join

public Join(Iterator left,
            Iterator right,
            BinaryFunction f,
            BinaryPredicate p)

Parameters:

left -

right -

f -

p -

Method Detail

asBooleanIterator

public BooleanIterator asBooleanIterator()

Overrides:

asBooleanIterator in class Iterator

postInit

public void postInit()

Specified by:

postInit in class Iterator

preClose

public void preClose()

Specified by:

preClose in class Iterator

pumpNext

public XObject pumpNext()

pumpNext()

Specified by:

pumpNext in class Iterator

debugPrint

public void debugPrint(int inc)

Overrides:

debugPrint in class Iterator