org.hypergraphdb.query.impl
Class DerefMapping

java.lang.Object
  org.hypergraphdb.query.impl.DerefMapping

All Implemented Interfaces:

Mapping<HGHandle,java.lang.Object>

public final class DerefMapping
extends java.lang.Object
implements Mapping<HGHandle,java.lang.Object>

Constructor Summary

DerefMapping(HyperGraph graph)

Method Summary

java.lang.Object	eval(HGHandle x) Map the parameter x and produce a result.
HyperGraph	getGraph()

Methods inherited from class java.lang.Object

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

Constructor Detail

DerefMapping

public DerefMapping(HyperGraph graph)

Method Detail

eval

public java.lang.Object eval(HGHandle 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<HGHandle,java.lang.Object>

Parameters:

x - The mapping input.

Returns:

The mapping output.

getGraph

public HyperGraph getGraph()