org.openanzo.common.rdb.layout
Class Quad

java.lang.Object
  org.openanzo.common.rdb.layout.Quad

public class Quad
extends java.lang.Object

Data structure to hold quads from Glitter

Author:

Matthew Roy ( mroy@cambridgesemantics.com )

Constructor Summary

Quad(IRdbTerm namedGraphTerm, IRdbTerm subjTerm, IRdbTerm predTerm, IRdbTerm objTerm)
Create a new Quad using IRdbTerms

Quad(NodeConverter converter, long namedGraphId, long subjId, long predId, long objId)
Create a new Quad using IDs

Method Summary

Triple	asTriple() Get a new Triple object representing this quad
IRdbTerm	getNamedGraphTerm() Get the namedGraphTerm
IRdbTerm	getObjTerm() Get the objTerm
IRdbTerm	getPredTerm() Get the predTerm
IRdbTerm	getSubjTerm() Get the subjTerm

Methods inherited from class java.lang.Object

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

Constructor Detail

Quad

public Quad(NodeConverter converter,
            long namedGraphId,
            long subjId,
            long predId,
            long objId)

Create a new Quad using IDs

Parameters:

converter - Converter that converts between the Glitter and Anzo types

namedGraphId - stored ID of namedGraphURI

subjId - stored ID of subject

predId - stored ID of predicate

objId - stored ID of object

Quad

public Quad(IRdbTerm namedGraphTerm,
            IRdbTerm subjTerm,
            IRdbTerm predTerm,
            IRdbTerm objTerm)

Create a new Quad using IRdbTerms

Parameters:

namedGraphTerm - namedGraph's URI

subjTerm - subject of statement

predTerm - predicate of statement

objTerm - object of statement

Method Detail

asTriple

public Triple asTriple()

Get a new Triple object representing this quad

Returns:

a new Triple object representing this quad

getNamedGraphTerm

public IRdbTerm getNamedGraphTerm()

Get the namedGraphTerm

Returns:

the namedGraphTerm

getSubjTerm

public IRdbTerm getSubjTerm()

Get the subjTerm

Returns:

the subjTerm

getPredTerm

public IRdbTerm getPredTerm()

Get the predTerm

Returns:

the predTerm

getObjTerm

public IRdbTerm getObjTerm()

Get the objTerm

Returns:

the objTerm