org.jrdf.graph.mem.iterator
Class IteratorFactoryImpl

java.lang.Object
  org.jrdf.graph.mem.iterator.IteratorFactoryImpl

All Implemented Interfaces:

IteratorFactory

public final class IteratorFactoryImpl
extends Object
implements IteratorFactory

Default implementation of the IteratorFactory. Simply uses the normal iterators and an in memory backend.

Version:

$Id: IteratorFactoryImpl.java 1045 2007-01-05 04:56:09Z newmana $

Author:

Andrew Newman

Constructor Summary

IteratorFactoryImpl(LongIndex[] longIndexes, GraphHandler[] graphHandlers)

Method Summary

ClosableMemIterator<Triple>	newEmptyClosableIterator()
ClosableMemIterator<Triple>	newGraphIterator()
ClosableMemIterator<Triple>	newOneFixedIterator(Long fixedFirstNode, int index)
ClosableMemIterator<Triple>	newThreeFixedIterator(Long[] newNodes)
ClosableMemIterator<Triple>	newTwoFixedIterator(Long fixedFirstNode, Long fixedSecondNode, int index)

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratorFactoryImpl

public IteratorFactoryImpl(LongIndex[] longIndexes,
                           GraphHandler[] graphHandlers)

Method Detail

newEmptyClosableIterator

public ClosableMemIterator<Triple> newEmptyClosableIterator()

Specified by:

newEmptyClosableIterator in interface IteratorFactory

newGraphIterator

public ClosableMemIterator<Triple> newGraphIterator()

Specified by:

newGraphIterator in interface IteratorFactory

newOneFixedIterator

public ClosableMemIterator<Triple> newOneFixedIterator(Long fixedFirstNode,
                                                       int index)

Specified by:

newOneFixedIterator in interface IteratorFactory

newTwoFixedIterator

public ClosableMemIterator<Triple> newTwoFixedIterator(Long fixedFirstNode,
                                                       Long fixedSecondNode,
                                                       int index)

Specified by:

newTwoFixedIterator in interface IteratorFactory

newThreeFixedIterator

public ClosableMemIterator<Triple> newThreeFixedIterator(Long[] newNodes)

Specified by:

newThreeFixedIterator in interface IteratorFactory