org.apache.calcite.util

Class ChunkList.ChunkListIterator

java.lang.Object

org.apache.calcite.util.ChunkList.ChunkListIterator

All Implemented Interfaces:

Iterator<E>, ListIterator<E>

Enclosing class:

ChunkList<E>

private class ChunkList.ChunkListIterator
extends Object
implements ListIterator<E>

Iterator over a ChunkList.

Field Summary

Fields

Modifier and Type	Field and Description
private Object[]	chunk
private int	cursor Offset within current chunk of the next element to return.
private int	end Offset of the first unoccupied location in the current chunk.
private int	lastRet Offset within the current chunk of the last element returned.
private int	start Offset in the list of the first element of this chunk.

Constructor Summary

Constructors

Constructor and Description
ChunkListIterator(Object[] chunk, int start, int cursor, int lastRet, int end)

Method Summary

Modifier and Type	Method and Description
void	add(E e)
boolean	hasNext()
boolean	hasPrevious()
E	next()
int	nextIndex()
E	previous()
int	previousIndex()
void	remove()
void	set(E e)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

chunk

private Object[] chunk

start

private int start

Offset in the list of the first element of this chunk.

cursor

private int cursor

Offset within current chunk of the next element to return.

lastRet

private int lastRet

Offset within the current chunk of the last element returned. -1 if next() or previous() has not been called.

end

private int end

Offset of the first unoccupied location in the current chunk.

Constructor Detail

ChunkListIterator

ChunkListIterator(Object[] chunk,
                  int start,
                  int cursor,
                  int lastRet,
                  int end)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

Specified by:

hasNext in interface ListIterator<E>

next

public E next()

Specified by:

next in interface Iterator<E>

Specified by:

next in interface ListIterator<E>

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface ListIterator<E>

previous

public E previous()

Specified by:

previous in interface ListIterator<E>

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface ListIterator<E>

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface ListIterator<E>

remove

public void remove()

Specified by:

remove in interface Iterator<E>

Specified by:

remove in interface ListIterator<E>

set

public void set(E e)

Specified by:

set in interface ListIterator<E>

add

public void add(E e)

Specified by:

add in interface ListIterator<E>