org.fcrepo.kernel.utils

Class JcrRdfTools

java.lang.Object

org.fcrepo.kernel.utils.JcrRdfTools

public class JcrRdfTools
extends Object

A set of helpful tools for converting JCR properties to RDF

Author:

Chris Beer

Field Summary

Fields

Modifier and Type	Field and Description
static com.google.common.collect.BiMap<String,String>	jcrNamespacesToRDFNamespaces A map of JCR namespaces to Fedora's RDF namespaces
static com.google.common.collect.BiMap<String,String>	rdfNamespacesToJcrNamespaces A map of Fedora's RDF namespaces to the JCR equivalent

Constructor Summary

Constructors

Constructor and Description
JcrRdfTools(GraphSubjects graphSubjects) Factory method to create a new JcrRdfTools utility with a graph subjects converter
JcrRdfTools(GraphSubjects graphSubjects, javax.jcr.Session session) Factory method to create a new JcrRdfTools utility with a graph subjects converter

Method Summary

Methods

Modifier and Type	Method and Description
static String	getJcrNamespaceForRDFNamespace(String rdfNamespaceUri) Convert a Fedora RDF Namespace into its JCR equivalent
com.hp.hpl.jena.rdf.model.Model	getJcrNamespaceModel() Get an RDF model of the registered JCR namespaces
com.hp.hpl.jena.rdf.model.Model	getJcrPropertiesModel() Create a default Jena Model populated with the registered JCR namespaces
com.hp.hpl.jena.rdf.model.Model	getJcrPropertiesModel(Iterator<javax.jcr.Node> nodeIterator, com.hp.hpl.jena.rdf.model.Resource iteratorSubject) Get an RDF model for the given JCR NodeIterator
com.hp.hpl.jena.rdf.model.Model	getJcrPropertiesModel(javax.jcr.Node node) Get an RDF Model for a node that includes all its own JCR properties, as well as the properties of its immediate children.
com.hp.hpl.jena.rdf.model.Model	getJcrPropertiesModel(javax.jcr.Node node, Iterable<FixityResult> blobs) Serialize the JCR fixity information in a Jena Model
com.hp.hpl.jena.rdf.model.Model	getJcrPropertiesModel(javax.jcr.version.VersionHistory versionHistory, com.hp.hpl.jena.rdf.model.Resource subject) Get a Jena RDF model for the JCR version history information for a node
com.hp.hpl.jena.rdf.model.Model	getJcrTreeModel(javax.jcr.Node node, long offset, int limit) Add the properties of a Node's parent and immediate children (as well as the jcr:content of children) to the given RDF model
static com.hp.hpl.jena.rdf.model.Model	getProblemsModel() Get a model in which to collect statements of RDF extraction problems
static String	getRDFNamespaceForJcrNamespace(String jcrNamespaceUri) Convert a JCR namespace into an RDF namespace fit for downstream consumption.
boolean	isInternalProperty(javax.jcr.Node subjectNode, com.hp.hpl.jena.rdf.model.Resource predicate) Determine if a predicate is an internal property of a node (and should not be modified from external sources)
static void	setGetClusterConfiguration(GetClusterConfiguration newClusterConfiguration) Set the function used to get the cluster configuration for Infinispan
static void	setLlstore(LowLevelStorageService lowLevelStorageService) Set the Low-level storage server implementation
static JcrRdfTools	withContext(GraphSubjects graphSubjects) Factory method to create a new JcrRdfTools instance
static JcrRdfTools	withContext(GraphSubjects graphSubjects, javax.jcr.Session session) Factory method to create a new JcrRdfTools instance
JcrRdfTools	withSession(javax.jcr.Session session) Using the same graph subjects, create a new JcrRdfTools with the given session

Methods inherited from class java.lang.Object

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

Field Detail

jcrNamespacesToRDFNamespaces

public static com.google.common.collect.BiMap<String,String> jcrNamespacesToRDFNamespaces

A map of JCR namespaces to Fedora's RDF namespaces

rdfNamespacesToJcrNamespaces

public static com.google.common.collect.BiMap<String,String> rdfNamespacesToJcrNamespaces

A map of Fedora's RDF namespaces to the JCR equivalent

Constructor Detail

JcrRdfTools

public JcrRdfTools(GraphSubjects graphSubjects)

Factory method to create a new JcrRdfTools utility with a graph subjects converter

Parameters:

graphSubjects -

JcrRdfTools

public JcrRdfTools(GraphSubjects graphSubjects,
           javax.jcr.Session session)

Factory method to create a new JcrRdfTools utility with a graph subjects converter

Parameters:

graphSubjects -

session -

Method Detail

withContext

public static JcrRdfTools withContext(GraphSubjects graphSubjects)

Factory method to create a new JcrRdfTools instance

Parameters:

graphSubjects -

Returns:

withContext

public static JcrRdfTools withContext(GraphSubjects graphSubjects,
                      javax.jcr.Session session)

Factory method to create a new JcrRdfTools instance

Parameters:

graphSubjects -

session -

Returns:

getJcrNamespaceForRDFNamespace

public static String getJcrNamespaceForRDFNamespace(String rdfNamespaceUri)

Convert a Fedora RDF Namespace into its JCR equivalent

Parameters:

rdfNamespaceUri - a namespace from an RDF document

Returns:

the JCR namespace, or the RDF namespace if no matching JCR namespace is found

getRDFNamespaceForJcrNamespace

public static String getRDFNamespaceForJcrNamespace(String jcrNamespaceUri)

Convert a JCR namespace into an RDF namespace fit for downstream consumption.

Parameters:

jcrNamespaceUri - a namespace from the JCR NamespaceRegistry

Returns:

an RDF namespace for downstream consumption.

getProblemsModel

public static com.hp.hpl.jena.rdf.model.Model getProblemsModel()

Get a model in which to collect statements of RDF extraction problems

Returns:

withSession

public JcrRdfTools withSession(javax.jcr.Session session)

Using the same graph subjects, create a new JcrRdfTools with the given session

Parameters:

session -

Returns:

getJcrPropertiesModel

public com.hp.hpl.jena.rdf.model.Model getJcrPropertiesModel()
                                                      throws javax.jcr.RepositoryException

Create a default Jena Model populated with the registered JCR namespaces

Returns:

Throws:

javax.jcr.RepositoryException

getJcrPropertiesModel

public com.hp.hpl.jena.rdf.model.Model getJcrPropertiesModel(Iterator<javax.jcr.Node> nodeIterator,
                                                    com.hp.hpl.jena.rdf.model.Resource iteratorSubject)
                                                      throws javax.jcr.RepositoryException

Get an RDF model for the given JCR NodeIterator

Parameters:

nodeIterator -

iteratorSubject -

Returns:

Throws:

javax.jcr.RepositoryException

getJcrPropertiesModel

public com.hp.hpl.jena.rdf.model.Model getJcrPropertiesModel(javax.jcr.Node node)
                                                      throws javax.jcr.RepositoryException

Get an RDF Model for a node that includes all its own JCR properties, as well as the properties of its immediate children.

Parameters:

node -

Returns:

Throws:

javax.jcr.RepositoryException

getJcrPropertiesModel

public com.hp.hpl.jena.rdf.model.Model getJcrPropertiesModel(javax.jcr.version.VersionHistory versionHistory,
                                                    com.hp.hpl.jena.rdf.model.Resource subject)
                                                      throws javax.jcr.RepositoryException

Get a Jena RDF model for the JCR version history information for a node

Parameters:

versionHistory -

Returns:

Throws:

javax.jcr.RepositoryException

getJcrPropertiesModel

public com.hp.hpl.jena.rdf.model.Model getJcrPropertiesModel(javax.jcr.Node node,
                                                    Iterable<FixityResult> blobs)
                                                      throws javax.jcr.RepositoryException

Serialize the JCR fixity information in a Jena Model

Parameters:

node -

blobs -

Returns:

Throws:

javax.jcr.RepositoryException

getJcrNamespaceModel

public com.hp.hpl.jena.rdf.model.Model getJcrNamespaceModel()
                                                     throws javax.jcr.RepositoryException

Get an RDF model of the registered JCR namespaces

Returns:

Throws:

javax.jcr.RepositoryException

getJcrTreeModel

public com.hp.hpl.jena.rdf.model.Model getJcrTreeModel(javax.jcr.Node node,
                                              long offset,
                                              int limit)
                                                throws javax.jcr.RepositoryException

Add the properties of a Node's parent and immediate children (as well as the jcr:content of children) to the given RDF model

Parameters:

node -

offset -

limit - @throws RepositoryException

Throws:

javax.jcr.RepositoryException

isInternalProperty

public boolean isInternalProperty(javax.jcr.Node subjectNode,
                         com.hp.hpl.jena.rdf.model.Resource predicate)

Determine if a predicate is an internal property of a node (and should not be modified from external sources)

Parameters:

subjectNode -

predicate -

Returns:

setGetClusterConfiguration

public static void setGetClusterConfiguration(GetClusterConfiguration newClusterConfiguration)

Set the function used to get the cluster configuration for Infinispan

setLlstore

public static void setLlstore(LowLevelStorageService lowLevelStorageService)

Set the Low-level storage server implementation