com.sleepycat.collections
Class BlockIterator<E>

java.lang.Object
  com.sleepycat.collections.BlockIterator<E>

All Implemented Interfaces:

BaseIterator<E>, java.util.Iterator<E>, java.util.ListIterator<E>

 class BlockIterator<E>
extends java.lang.Object
implements BaseIterator<E>

An iterator that does not need closing because a cursor is not kept open across method calls. A cursor is opened to read a block of records at a time and then closed before the method returns.

Author:

Mark Hayes

Constructor Summary

BlockIterator(StoredCollection<E> coll, boolean writeAllowed, int blockSize)
Creates an iterator.

Method Summary

void	add(E value)
java.util.ListIterator<E>	dup()
boolean	hasNext()
boolean	hasPrevious()
boolean	isCurrentData(java.lang.Object currentData)
boolean	moveToIndex(int index)
E	next()
int	nextIndex()
E	previous()
int	previousIndex()
void	remove()
void	set(E value)

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockIterator

BlockIterator(StoredCollection<E> coll,
              boolean writeAllowed,
              int blockSize)

Creates an iterator.

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<E>

Specified by:

hasNext in interface java.util.ListIterator<E>

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface java.util.ListIterator<E>

next

public E next()

Specified by:

next in interface java.util.Iterator<E>

Specified by:

next in interface java.util.ListIterator<E>

previous

public E previous()

Specified by:

previous in interface java.util.ListIterator<E>

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface java.util.ListIterator<E>

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface java.util.ListIterator<E>

set

public void set(E value)

Specified by:

set in interface java.util.ListIterator<E>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<E>

Specified by:

remove in interface java.util.ListIterator<E>

add

public void add(E value)

Specified by:

add in interface java.util.ListIterator<E>

dup

public final java.util.ListIterator<E> dup()

Specified by:

dup in interface BaseIterator<E>

isCurrentData

public final boolean isCurrentData(java.lang.Object currentData)

Specified by:

isCurrentData in interface BaseIterator<E>

moveToIndex

public final boolean moveToIndex(int index)

Specified by:

moveToIndex in interface BaseIterator<E>