oracle.pg.common

Class RDFGraph2PropertyGraphUtils

java.lang.Object

oracle.pg.common.RDFGraph2PropertyGraphUtils

public class RDFGraph2PropertyGraphUtils
extends Object

This class contains utility functions that are useful for RDF to property graph conversion.

Constructor Summary

Constructors

Constructor and Description
RDFGraph2PropertyGraphUtils()

Method Summary

Modifier and Type	Method and Description
static Object	getKeyValueFromLiteral(com.hp.hpl.jena.graph.Node literal) Canonicalize a literal into a standard format used by the Jena adapter for Oracle NoSQL database, A literal is canonicalized by specifying its language or its canonicalized data-type (if possible, e.g.
static String	getPWithNSPrefix(com.hp.hpl.jena.graph.Node p, Map<String,String> nameSpaceMap)
static HashMap<String,String>	loadMappingsFromConfigurationFile()

Methods inherited from class java.lang.Object

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

Constructor Detail

RDFGraph2PropertyGraphUtils

public RDFGraph2PropertyGraphUtils()

Method Detail

getKeyValueFromLiteral

public static Object getKeyValueFromLiteral(com.hp.hpl.jena.graph.Node literal)

Canonicalize a literal into a standard format used by the Jena adapter for Oracle NoSQL database, A literal is canonicalized by specifying its language or its canonicalized data-type (if possible, e.g. 1.0 decimal is treated as an integer).

Parameters:

literal - a Node object representing a literal node.

Returns:

a Node object representing the canonicalized version of the literal with an associated data-type or language.

getPWithNSPrefix

public static String getPWithNSPrefix(com.hp.hpl.jena.graph.Node p,
                                      Map<String,String> nameSpaceMap)

loadMappingsFromConfigurationFile

public static HashMap<String,String> loadMappingsFromConfigurationFile()