Package org.eclipse.rdf4j.model.util

Class Configurations

java.lang.Object

org.eclipse.rdf4j.model.util.Configurations

@InternalUseOnly
public class Configurations
extends Object

Utility functions for working with RDF4J Models representing configuration settings.

Author:

Jeen Broekstra

Constructor Summary

Constructors

Constructor	Description
Configurations()

Method Summary

Modifier and Type	Method	Description
static Optional<IRI>	getIRIValue(Model model, Resource subject, IRI property, IRI legacyProperty)	Retrieve a property value for the supplied subject as a IRI if present, falling back to a supplied legacy property .
static Optional<Literal>	getLiteralValue(Model model, Resource subject, IRI property, IRI legacyProperty)	Retrieve a property value for the supplied subject as a Literal if present, falling back to a supplied legacy property .
static Set<Value>	getPropertyValues(Model model, Resource subject, IRI property, IRI legacyProperty)	Retrieve all property values for the supplied subject as a Set of values and include all values for any legacy property.
static Optional<Resource>	getResourceValue(Model model, Resource subject, IRI property, IRI legacyProperty)	Retrieve a property value for the supplied subject as a Resource if present, falling back to a supplied legacy property .

Methods inherited from class java.lang.Object

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

Constructor Detail

Configurations

public Configurations()

Method Detail

getResourceValue

@InternalUseOnly
public static Optional<Resource> getResourceValue(Model model,
                                                  Resource subject,
                                                  IRI property,
                                                  IRI legacyProperty)

Retrieve a property value for the supplied subject as a Resource if present, falling back to a supplied legacy property .

This method allows querying repository config models with a mix of old and new namespaces.

Parameters:

model - the model to retrieve property values from.

subject - the subject of the property.

property - the property to retrieve the value of.

legacyProperty - legacy property to use if the supplied property has no value in the model.

Returns:

the resource value for supplied subject and property (or the legacy property ), if present.

getLiteralValue

@InternalUseOnly
public static Optional<Literal> getLiteralValue(Model model,
                                                Resource subject,
                                                IRI property,
                                                IRI legacyProperty)

Retrieve a property value for the supplied subject as a Literal if present, falling back to a supplied legacy property .

This method allows querying repository config models with a mix of old and new namespaces.

Parameters:

model - the model to retrieve property values from.

subject - the subject of the property.

property - the property to retrieve the value of.

legacyProperty - legacy property to use if the supplied property has no value in the model.

Returns:

the literal value for supplied subject and property (or the legacy property ), if present.

getPropertyValues

@InternalUseOnly
public static Set<Value> getPropertyValues(Model model,
                                           Resource subject,
                                           IRI property,
                                           IRI legacyProperty)

Retrieve all property values for the supplied subject as a Set of values and include all values for any legacy property.

This method allows querying repository config models with a mix of old and new namespaces.

Parameters:

model - the model to retrieve property values from.

subject - the subject of the property.

property - the property to retrieve the values of.

legacyProperty - legacy property to retrieve values of.

Returns:

the set of values for supplied subject and property (and/or legacy property).

getIRIValue

@InternalUseOnly
public static Optional<IRI> getIRIValue(Model model,
                                        Resource subject,
                                        IRI property,
                                        IRI legacyProperty)

Retrieve a property value for the supplied subject as a IRI if present, falling back to a supplied legacy property .

This method allows querying repository config models with a mix of old and new namespaces.

Parameters:

model - the model to retrieve property values from.

subject - the subject of the property.

property - the property to retrieve the value of.

legacyProperty - legacy property to use if the supplied property has no value in the model.

Returns:

the IRI value for supplied subject and property (or the legacy property ), if present.