org.neo4j.kernel
Class AbstractSelectorOrderer<T>

java.lang.Object
  org.neo4j.kernel.AbstractSelectorOrderer<T>

All Implemented Interfaces:

BranchSelector, SideSelector

Direct Known Subclasses:

AlternatingSelectorOrderer, LevelSelectorOrderer

public abstract class AbstractSelectorOrderer<T>
extends Object
implements SideSelector

Constructor Summary

AbstractSelectorOrderer(BranchSelector startSelector, BranchSelector endSelector)

Method Summary

Direction	currentSide()
protected void	endCurrentSelector()
protected T	getStateForCurrentSelector()
protected T	initialState()
protected TraversalBranch	nextBranchFromCurrentSelector(TraversalContext metadata, boolean switchIfExhausted)
protected TraversalBranch	nextBranchFromNextSelector(TraversalContext metadata, boolean switchIfExhausted)
protected BranchSelector	nextSelector()
protected void	setStateForCurrentSelector(T state)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.neo4j.graphdb.traversal.BranchSelector

next

Constructor Detail

AbstractSelectorOrderer

public AbstractSelectorOrderer(BranchSelector startSelector,
                               BranchSelector endSelector)

Method Detail

initialState

protected T initialState()

setStateForCurrentSelector

protected void setStateForCurrentSelector(T state)

getStateForCurrentSelector

protected T getStateForCurrentSelector()

nextBranchFromCurrentSelector

protected TraversalBranch nextBranchFromCurrentSelector(TraversalContext metadata,
                                                        boolean switchIfExhausted)

nextBranchFromNextSelector

protected TraversalBranch nextBranchFromNextSelector(TraversalContext metadata,
                                                     boolean switchIfExhausted)

nextSelector

protected BranchSelector nextSelector()

currentSide

public Direction currentSide()

Specified by:

currentSide in interface SideSelector

Returns:

the side to traverse next on, Direction.OUTGOING for start side and Direction.INCOMING for end side.

endCurrentSelector

protected void endCurrentSelector()