org.infinispan.query.impl
Class AbstractIterator

java.lang.Object
  org.infinispan.query.impl.AbstractIterator

All Implemented Interfaces:

Iterator, ListIterator, QueryIterator

Direct Known Subclasses:

EagerIterator, LazyIterator

public abstract class AbstractIterator
extends Object
implements QueryIterator

This is the abstract superclass of the 2 iterators. Since some of the methods have the same implementations they have been put onto a separate class.

Since:

4.0

Author:

Navin Surtani

See Also:

EagerIterator, LazyIterator

Field Summary

protected Object[]	buffer
protected int	bufferIndex
protected Cache	cache
protected int	fetchSize
protected int	first
protected int	index
protected int	max

Constructor Summary

AbstractIterator()

Method Summary

void	afterFirst() Jumps to the one-after-the-first result
void	beforeLast() Jumps to the one-before-the-last result
void	first() Jumps to the first result
boolean	hasNext()
boolean	hasPrevious()
boolean	isAfterFirst()
boolean	isBeforeLast()
boolean	isFirst()
boolean	isLast()
void	last() Jumps to the last result

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.infinispan.query.QueryIterator

close, jumpToResult

Methods inherited from interface java.util.ListIterator

add, next, nextIndex, previous, previousIndex, remove, set

Field Detail

buffer

protected Object[] buffer

cache

protected Cache cache

index

protected int index

bufferIndex

protected int bufferIndex

max

protected int max

first

protected int first

fetchSize

protected int fetchSize

Constructor Detail

AbstractIterator

public AbstractIterator()

Method Detail

first

public void first()

Description copied from interface: QueryIterator

Jumps to the first result

Specified by:

first in interface QueryIterator

last

public void last()

Description copied from interface: QueryIterator

Jumps to the last result

Specified by:

last in interface QueryIterator

afterFirst

public void afterFirst()

Description copied from interface: QueryIterator

Jumps to the one-after-the-first result

Specified by:

afterFirst in interface QueryIterator

beforeLast

public void beforeLast()

Description copied from interface: QueryIterator

Jumps to the one-before-the-last result

Specified by:

beforeLast in interface QueryIterator

isFirst

public boolean isFirst()

Specified by:

isFirst in interface QueryIterator

Returns:

true if the current result is the first

isLast

public boolean isLast()

Specified by:

isLast in interface QueryIterator

Returns:

true if the current result is the last

isAfterFirst

public boolean isAfterFirst()

Specified by:

isAfterFirst in interface QueryIterator

Returns:

true if the current result is one after the first

isBeforeLast

public boolean isBeforeLast()

Specified by:

isBeforeLast in interface QueryIterator

Returns:

true if the current result is one before the last

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface ListIterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

Specified by:

hasNext in interface ListIterator