org.hypergraphdb.query.impl

Class LinkProjectionMapping

java.lang.Object

org.hypergraphdb.query.impl.LinkProjectionMapping

All Implemented Interfaces:

Mapping<HGLink,HGHandle>

public final class LinkProjectionMapping
extends Object
implements Mapping<HGLink,HGHandle>

Constructor Summary

Constructors

Constructor and Description
LinkProjectionMapping()
LinkProjectionMapping(int targetPosition)
LinkProjectionMapping(Ref<Integer> targetPosition)

Method Summary

Methods

Modifier and Type	Method and Description
HGHandle	eval(HGLink x) Map the parameter x and produce a result.
int	getTargetPosition()
Ref<Integer>	getTargetPositionReference()
void	setTargetPosition(int targetPosition)
void	setTargetPositionReference(Ref<Integer> tp)

Methods inherited from class java.lang.Object

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

Constructor Detail

LinkProjectionMapping

public LinkProjectionMapping()

LinkProjectionMapping

public LinkProjectionMapping(int targetPosition)

LinkProjectionMapping

public LinkProjectionMapping(Ref<Integer> targetPosition)

Method Detail

eval

public HGHandle eval(HGLink x)

Description copied from interface: Mapping

Map the parameter x and produce a result. The mapping is completely arbitrary and depending on the context under which it is defined. This interface mandates no restriction whatsoever as far the input or output of this mapping are concerned.

Specified by:

eval in interface Mapping<HGLink,HGHandle>

Parameters:

x - The mapping input.

Returns:

The mapping output.

getTargetPosition

public int getTargetPosition()

setTargetPosition

public void setTargetPosition(int targetPosition)

getTargetPositionReference

public Ref<Integer> getTargetPositionReference()

setTargetPositionReference

public void setTargetPositionReference(Ref<Integer> tp)