org.eclipse.lyo.ldp.server.jena.store

Class TDBGraphStore

java.lang.Object

org.eclipse.lyo.ldp.server.jena.store.TDBGraphStore

All Implemented Interfaces:

GraphStore

public class TDBGraphStore
extends Object
implements GraphStore

This class implements a Graph Store using a Jena TDB dataset.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.jena.query.Dataset	fDataset
static String	LDP_DATASET_DIR

Constructor Summary

Constructors

Constructor and Description
TDBGraphStore()
TDBGraphStore(boolean inMemory)
TDBGraphStore(org.apache.jena.query.Dataset dataset)

Method Summary

Modifier and Type	Method and Description
void	abort()
static String	appendURISegment(String base, String append)
void	commit()
org.apache.jena.rdf.model.Model	construct(String queryString)
org.apache.jena.rdf.model.Model	createCompanionGraph(String uri, String configURI) Companion graph to the one identified by uri
String	createGraph(String containerURI, String graphURIPrefix, String nameHint)
void	deleteGraph(String graphURI)
void	end()
org.apache.jena.rdf.model.Model	getDefaultModel()
org.apache.jena.rdf.model.Model	getGraph(String graphURI)
String	mintURI(String containerURI, String graphURIPrefix, String nameHint)
boolean	previouslyUsed(String uri) Given uri, determine if a resource graph or config graph exists (further testing could be done)
void	putGraph(String graphURI, org.apache.jena.rdf.model.Model model)
void	query(OutputStream outStream, String queryString)
void	query(OutputStream outStream, String queryString, String resultsFormat)
void	readLock()
void	writeLock()

Methods inherited from class java.lang.Object

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

Field Detail

LDP_DATASET_DIR

public static final String LDP_DATASET_DIR

See Also:

Constant Field Values

fDataset

protected org.apache.jena.query.Dataset fDataset

Constructor Detail

TDBGraphStore

public TDBGraphStore(org.apache.jena.query.Dataset dataset)

TDBGraphStore

public TDBGraphStore()

TDBGraphStore

public TDBGraphStore(boolean inMemory)

Method Detail

readLock

public void readLock()

writeLock

public void writeLock()

commit

public void commit()

abort

public void abort()

end

public void end()

getDefaultModel

public org.apache.jena.rdf.model.Model getDefaultModel()

putGraph

public void putGraph(String graphURI,
                     org.apache.jena.rdf.model.Model model)

Specified by:

putGraph in interface GraphStore

getGraph

public org.apache.jena.rdf.model.Model getGraph(String graphURI)

Specified by:

getGraph in interface GraphStore

deleteGraph

public void deleteGraph(String graphURI)

Specified by:

deleteGraph in interface GraphStore

createGraph

public String createGraph(String containerURI,
                          String graphURIPrefix,
                          String nameHint)

Specified by:

createGraph in interface GraphStore

mintURI

public String mintURI(String containerURI,
                      String graphURIPrefix,
                      String nameHint)

createCompanionGraph

public org.apache.jena.rdf.model.Model createCompanionGraph(String uri,
                                                            String configURI)

Companion graph to the one identified by uri

Parameters:

uri - The primary resource being managed

configURI - A side resource, in support of uri

previouslyUsed

public boolean previouslyUsed(String uri)

Given uri, determine if a resource graph or config graph exists (further testing could be done)

Parameters:

uri -

Returns:

true if found an old config graph

query

public void query(OutputStream outStream,
                  String queryString)

Specified by:

query in interface GraphStore

query

public void query(OutputStream outStream,
                  String queryString,
                  String resultsFormat)

Specified by:

query in interface GraphStore

construct

public org.apache.jena.rdf.model.Model construct(String queryString)

Specified by:

construct in interface GraphStore

appendURISegment

public static String appendURISegment(String base,
                                      String append)