simpledb

Class BPlusTreeInternalPageIterator

java.lang.Object

simpledb.BPlusTreeInternalPageIterator

All Implemented Interfaces:

java.util.Iterator<BPlusTreeEntry>

 class BPlusTreeInternalPageIterator
extends java.lang.Object
implements java.util.Iterator<BPlusTreeEntry>

Helper class that implements the Java Iterator for entries on a BPlusTreeInternalPage.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	curEntry
(package private) BPlusTreeEntry	nextToReturn
(package private) BPlusTreeInternalPage	p
(package private) BPlusTreePageId	prevChildId

Constructor Summary

Constructors

Constructor and Description
BPlusTreeInternalPageIterator(BPlusTreeInternalPage p)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext()
BPlusTreeEntry	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

curEntry

int curEntry

prevChildId

BPlusTreePageId prevChildId

nextToReturn

BPlusTreeEntry nextToReturn

p

BPlusTreeInternalPage p

Constructor Detail

BPlusTreeInternalPageIterator

public BPlusTreeInternalPageIterator(BPlusTreeInternalPage p)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<BPlusTreeEntry>

next

public BPlusTreeEntry next()

Specified by:

next in interface java.util.Iterator<BPlusTreeEntry>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<BPlusTreeEntry>