sandmark.util
Class MultiIter

java.lang.Object
  |
  +--sandmark.util.MultiIter

All Implemented Interfaces:

java.util.Iterator

Direct Known Subclasses:

AllPathsIterator

public abstract class MultiIter

extends java.lang.Object

implements java.util.Iterator

Field Summary

(package private) java.lang.Object[]	elmts
(package private) java.util.Iterator[]	enums
(package private) boolean	firstTime
(package private) java.lang.Object	result

Constructor Summary

MultiIter()
Compose several iterators into a new iterator.

Method Summary

abstract int	count()
abstract java.lang.Object	create(java.lang.Object[] elmts)
void	genNext()
boolean	hasNext()
(package private) void	init()
java.lang.Object	next()
void	remove()
abstract java.util.Iterator	start(int k, java.lang.Object[] elmts)

Methods inherited from class java.lang.Object

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

Field Detail

enums

java.util.Iterator[] enums

result

java.lang.Object result

elmts

java.lang.Object[] elmts

firstTime

boolean firstTime

Constructor Detail

MultiIter

public MultiIter()

Compose several iterators into a new iterator. Extend this class and override start with a method which starts the k:th enumerator and create which creates the new element to yield out of the elements yielded by the individual enumerators.

Method Detail

init

void init()

genNext

public void genNext()

start

public abstract java.util.Iterator start(int k,
                                         java.lang.Object[] elmts)

create

public abstract java.lang.Object create(java.lang.Object[] elmts)
                                 throws java.lang.Exception

java.lang.Exception

count

public abstract int count()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator