Package org.apache.jena.sparql.util.graph

Class GraphUtils

java.lang.Object

org.apache.jena.sparql.util.graph.GraphUtils

public class GraphUtils
extends java.lang.Object

Graph utilities. See also GraphFactory.

Constructor Summary

Constructors

Constructor	Description
GraphUtils()

Method Summary

Modifier and Type	Method	Description
static java.util.Iterator<Node>	allNodes(Graph graph)	All subjects and objects, no duplicates.
static boolean	atmostOneProperty(Resource r, Property p)
static boolean	exactlyOneProperty(Resource r, Property p)
static Resource	findRootByType(Model model, Resource atype)
static java.util.List<Resource>	findRootsByType(Model model, Resource atype)
static java.lang.String	fmtURI(Resource r)
static java.lang.String	getAsStringValue(Resource r, Property p)
static Resource	getResourceByType(Model model, Resource type)
static Resource	getResourceValue(Resource r, Property p)
static java.lang.String	getStringValue(Resource r, Property p)
static java.util.List<Resource>	listResourcesByType(Model model, Resource type)
static java.util.List<RDFNode>	multiValue(Resource r, Property p)
static java.util.List<java.lang.String>	multiValueAsString(Resource r, Property p)	Get a list of the URIs (as strings) and strings
static java.util.List<Resource>	multiValueResource(Resource r, Property p)
static java.util.List<java.lang.String>	multiValueString(Resource r, Property p)
static java.util.List<java.lang.String>	multiValueURI(Resource r, Property p)

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphUtils

public GraphUtils()

Method Detail

multiValueString

public static java.util.List<java.lang.String> multiValueString(Resource r,
                                                                Property p)

multiValueAsString

public static java.util.List<java.lang.String> multiValueAsString(Resource r,
                                                                  Property p)

Get a list of the URIs (as strings) and strings

See Also:

getAsStringValue(org.apache.jena.rdf.model.Resource, org.apache.jena.rdf.model.Property)

multiValue

public static java.util.List<RDFNode> multiValue(Resource r,
                                                 Property p)

multiValueResource

public static java.util.List<Resource> multiValueResource(Resource r,
                                                          Property p)

multiValueURI

public static java.util.List<java.lang.String> multiValueURI(Resource r,
                                                             Property p)

exactlyOneProperty

public static boolean exactlyOneProperty(Resource r,
                                         Property p)

atmostOneProperty

public static boolean atmostOneProperty(Resource r,
                                        Property p)

getStringValue

public static java.lang.String getStringValue(Resource r,
                                              Property p)

getAsStringValue

public static java.lang.String getAsStringValue(Resource r,
                                                Property p)

getResourceValue

public static Resource getResourceValue(Resource r,
                                        Property p)

listResourcesByType

public static java.util.List<Resource> listResourcesByType(Model model,
                                                           Resource type)

getResourceByType

public static Resource getResourceByType(Model model,
                                         Resource type)

findRootByType

public static Resource findRootByType(Model model,
                                      Resource atype)

findRootsByType

public static java.util.List<Resource> findRootsByType(Model model,
                                                       Resource atype)

fmtURI

public static java.lang.String fmtURI(Resource r)

allNodes

public static java.util.Iterator<Node> allNodes(Graph graph)

All subjects and objects, no duplicates.