org.ontoware.rdf2go.model.impl
Class DelegatingModel

java.lang.Object
  org.ontoware.rdf2go.model.impl.AbstractModelWriter
      org.ontoware.rdf2go.model.impl.AbstractModelAddRemove
          org.ontoware.rdf2go.model.impl.AbstractModelRemovePatterns
              org.ontoware.rdf2go.model.impl.AbstractModel
                  org.ontoware.rdf2go.model.impl.DelegatingModel

All Implemented Interfaces:

java.lang.Iterable<Statement>, ClosableIterable<Statement>, Commitable, FindableModel, Lockable, Model, ModelAddRemove, ModelIO, ModelRemovePatterns, ModelValueFactory, ModelWriter, NamespaceSupport, QueryableModel, ReificationSupport, Sparqlable

Direct Known Subclasses:

NotifyingModelLayer

public class DelegatingModel
extends AbstractModel
implements Model

Delegates all calls to underlying model. This class is meant to be subclassed and have some methods overriden. This was inspired by Sesame's SAIL API.

Author:

voelkel

Field Summary

Fields inherited from class org.ontoware.rdf2go.model.impl.AbstractModel

model

Constructor Summary

protected	DelegatingModel() Please set model!
	DelegatingModel(Model model)

Method Summary

void	addAll(java.util.Iterator<? extends Statement> other)
void	addModel(Model model) subclasses should overwrite this for performance reasons
void	addStatement(Resource subject, URI predicate, Node object)
void	addStatement(Resource subject, URI predicate, java.lang.String literal)
void	addStatement(Resource subject, URI predicate, java.lang.String literal, java.lang.String languageTag)
void	addStatement(Resource subject, URI predicate, java.lang.String literal, URI datatypeURI)
void	addStatement(Statement statement)
void	addStatement(java.lang.String subjectURIString, URI predicate, java.lang.String literal)
void	addStatement(java.lang.String subjectURIString, URI predicate, java.lang.String literal, java.lang.String languageTag)
void	addStatement(java.lang.String subjectURIString, URI predicate, java.lang.String literal, URI datatypeURI)
void	close() Close connection to defined, unterlying implementation
void	commit() OVERWRITE ME
boolean	contains(ResourceOrVariable subject, UriOrVariable predicate, NodeOrVariable object) Convenience method.
BlankNode	createBlankNode()
BlankNode	createBlankNode(java.lang.String internalID)
URI	createURI(java.lang.String uriString)
void	dump()
ClosableIterator<Statement>	findStatements(ResourceOrVariable subject, UriOrVariable predicate, NodeOrVariable object)
ClosableIterator<Statement>	findStatements(TriplePattern pattern) Convenience method.
URI	getContextURI()
Model	getDelegatedModel()
Diff	getDiff(java.util.Iterator<? extends Statement> other) Computes a Diff by using HashSets.
java.lang.String	getNamespace(java.lang.String prefix)
java.util.Map<java.lang.String,java.lang.String>	getNamespaces()
java.lang.Object	getProperty(URI propertyURI) Note: This is a property of the model, not an RDF property
java.lang.Object	getUnderlyingModelImplementation()
boolean	isEmpty() sublcasses should override this method for performance
boolean	isIsomorphicWith(Model other)
boolean	isLocked()
boolean	isOpen()
boolean	isValidURI(java.lang.String uriString)
ClosableIterator<Statement>	iterator()
void	lock()
URI	newRandomUniqueURI()
void	open() Open connection to defined, unterlying implementation.
ClosableIterable<Statement>	queryConstruct(java.lang.String query, java.lang.String querylanguage) Throws an exception if the syntax is not SPARQL
QueryResultTable	querySelect(java.lang.String query, java.lang.String querylanguage) Throws an exception if the syntax is not SPARQL
void	readFrom(java.io.InputStream in)
void	readFrom(java.io.InputStream reader, Syntax syntax) Throws an exception if the syntax is not RDF/XML.
void	readFrom(java.io.InputStream reader, Syntax syntax, java.lang.String baseURI) Throws an exception if the syntax is not RDF/XML.
void	readFrom(java.io.Reader r)
void	readFrom(java.io.Reader reader, Syntax syntax)
void	readFrom(java.io.Reader in, Syntax syntax, java.lang.String baseURI) Throws an exception if the syntax is not RDF/XML.
void	removeAll()
void	removeAll(java.util.Iterator<? extends Statement> other)
void	removeNamespace(java.lang.String prefix)
void	removeStatement(Resource subject, URI predicate, Node object)
void	removeStatement(Resource subject, URI predicate, java.lang.String literal)
void	removeStatement(Resource subject, URI predicate, java.lang.String literal, java.lang.String languageTag)
void	removeStatement(Resource subject, URI predicate, java.lang.String literal, URI datatypeURI)
void	removeStatement(Statement statement)
void	removeStatement(java.lang.String subjectURIString, URI predicate, java.lang.String literal)
void	removeStatement(java.lang.String subjectURIString, URI predicate, java.lang.String literal, java.lang.String languageTag)
void	removeStatement(java.lang.String subjectURIString, URI predicate, java.lang.String literal, URI datatypeURI)
void	removeStatements(ResourceOrVariable subject, UriOrVariable predicate, NodeOrVariable object)
void	setAutocommit(boolean autocommit) OVERWRITE ME
protected void	setDelegatedModel(Model model)
void	setNamespace(java.lang.String prefix, java.lang.String namespaceURI)
void	setProperty(URI propertyURI, java.lang.Object value) Add an arbitrary property, this will not be persisted and is only available at runtime.
long	size() This is a really slow implementation, please override.
boolean	sparqlAsk(java.lang.String query)
ClosableIterable<Statement>	sparqlConstruct(java.lang.String query)
ClosableIterable<Statement>	sparqlDescribe(java.lang.String query)
QueryResultTable	sparqlSelect(java.lang.String queryString)
void	unlock()
void	update(DiffReader diff) Implementations with support for transactions should use them instead of this implementation.
void	writeTo(java.io.OutputStream out)
void	writeTo(java.io.OutputStream out, Syntax syntax) Throws an exception if the syntax is not known
void	writeTo(java.io.Writer w)
void	writeTo(java.io.Writer writer, Syntax syntax)

Methods inherited from class org.ontoware.rdf2go.model.impl.AbstractModel

addReificationOf, addReificationOf, assertModel, contains, contains, countStatements, createDatatypeLiteral, createLanguageTagLiteral, createPlainLiteral, createStatement, createTriplePattern, deleteReification, getAllReificationsOf, hasReifications, removeStatements, serialize

Methods inherited from class org.ontoware.rdf2go.model.impl.AbstractModelAddRemove

update

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ontoware.rdf2go.model.ModelValueFactory

createDatatypeLiteral, createLanguageTagLiteral, createPlainLiteral, createStatement

Methods inherited from interface org.ontoware.rdf2go.model.ModelRemovePatterns

removeStatements

Methods inherited from interface org.ontoware.rdf2go.model.FindableModel

contains, contains, countStatements, createTriplePattern

Methods inherited from interface org.ontoware.rdf2go.model.FindableModel

contains, contains, countStatements, createTriplePattern

Methods inherited from interface org.ontoware.rdf2go.model.ModelIO

serialize

Methods inherited from interface org.ontoware.rdf2go.model.ReificationSupport

addReificationOf, addReificationOf, deleteReification, getAllReificationsOf, hasReifications

Constructor Detail

DelegatingModel

protected DelegatingModel()

Please set model!

DelegatingModel

public DelegatingModel(Model model)

Method Detail

addAll

public void addAll(java.util.Iterator<? extends Statement> other)
            throws ModelRuntimeException

Specified by:

addAll in interface ModelWriter

Overrides:

addAll in class AbstractModel

Throws:

ModelRuntimeException

addStatement

public void addStatement(Resource subject,
                         URI predicate,
                         Node object)
                  throws ModelRuntimeException

Specified by:

addStatement in interface ModelWriter

Specified by:

addStatement in class AbstractModelAddRemove

Throws:

ModelRuntimeException

addStatement

public void addStatement(Resource subject,
                         URI predicate,
                         java.lang.String literal)
                  throws ModelRuntimeException

Specified by:

addStatement in interface ModelWriter

Overrides:

addStatement in class AbstractModel

Throws:

ModelRuntimeException

addStatement

public void addStatement(Resource subject,
                         URI predicate,
                         java.lang.String literal,
                         java.lang.String languageTag)
                  throws ModelRuntimeException

Specified by:

addStatement in interface ModelWriter

Overrides:

addStatement in class AbstractModel

Throws:

ModelRuntimeException

addStatement

public void addStatement(Resource subject,
                         URI predicate,
                         java.lang.String literal,
                         URI datatypeURI)
                  throws ModelRuntimeException

Specified by:

addStatement in interface ModelWriter

Overrides:

addStatement in class AbstractModel

Throws:

ModelRuntimeException

addStatement

public void addStatement(Statement statement)
                  throws ModelRuntimeException

Specified by:

addStatement in interface ModelWriter

Overrides:

addStatement in class AbstractModel

Throws:

ModelRuntimeException

addStatement

public void addStatement(java.lang.String subjectURIString,
                         URI predicate,
                         java.lang.String literal)
                  throws ModelRuntimeException

Specified by:

addStatement in interface ModelWriter

Overrides:

addStatement in class AbstractModel

Throws:

ModelRuntimeException

addStatement

public void addStatement(java.lang.String subjectURIString,
                         URI predicate,
                         java.lang.String literal,
                         java.lang.String languageTag)
                  throws ModelRuntimeException

Specified by:

addStatement in interface ModelWriter

Overrides:

addStatement in class AbstractModel

Throws:

ModelRuntimeException

addStatement

public void addStatement(java.lang.String subjectURIString,
                         URI predicate,
                         java.lang.String literal,
                         URI datatypeURI)
                  throws ModelRuntimeException

Specified by:

addStatement in interface ModelWriter

Overrides:

addStatement in class AbstractModel

Throws:

ModelRuntimeException

close

public void close()

Description copied from class: AbstractModel

Close connection to defined, unterlying implementation

Specified by:

close in interface Model

Overrides:

close in class AbstractModel

commit

public void commit()

Description copied from class: AbstractModel

OVERWRITE ME

Specified by:

commit in interface Commitable

Overrides:

commit in class AbstractModel

contains

public boolean contains(ResourceOrVariable subject,
                        UriOrVariable predicate,
                        NodeOrVariable object)
                 throws ModelRuntimeException

Description copied from class: AbstractModel

Convenience method. Might have faster implementations. Overwrite me!

Specified by:

contains in interface FindableModel

Overrides:

contains in class AbstractModel

Throws:

ModelRuntimeException

createBlankNode

public BlankNode createBlankNode()

Specified by:

createBlankNode in interface ModelValueFactory

createBlankNode

public BlankNode createBlankNode(java.lang.String internalID)

Specified by:

createBlankNode in interface ModelValueFactory

createURI

public URI createURI(java.lang.String uriString)
              throws ModelRuntimeException

Specified by:

createURI in interface ModelValueFactory

Overrides:

createURI in class AbstractModel

Throws:

ModelRuntimeException

dump

public void dump()

Specified by:

dump in interface Model

findStatements

public ClosableIterator<Statement> findStatements(ResourceOrVariable subject,
                                                  UriOrVariable predicate,
                                                  NodeOrVariable object)
                                           throws ModelRuntimeException

Specified by:

findStatements in interface FindableModel

Throws:

ModelRuntimeException

findStatements

public ClosableIterator<Statement> findStatements(TriplePattern pattern)
                                           throws ModelRuntimeException

Description copied from class: AbstractModel

Convenience method.

Specified by:

findStatements in interface FindableModel

Overrides:

findStatements in class AbstractModel

Throws:

ModelRuntimeException

getContextURI

public URI getContextURI()

Specified by:

getContextURI in interface Model

getDelegatedModel

public Model getDelegatedModel()

getDiff

public Diff getDiff(java.util.Iterator<? extends Statement> other)
             throws ModelRuntimeException

Description copied from class: AbstractModel

Computes a Diff by using HashSets.

Specified by:

getDiff in interface ModelAddRemove

Overrides:

getDiff in class AbstractModel

Throws:

ModelRuntimeException

getProperty

public java.lang.Object getProperty(URI propertyURI)

Description copied from class: AbstractModel

Note: This is a property of the model, not an RDF property

Specified by:

getProperty in interface Model

Overrides:

getProperty in class AbstractModel

Returns:

stored property value for this model or null

getUnderlyingModelImplementation

public java.lang.Object getUnderlyingModelImplementation()

Specified by:

getUnderlyingModelImplementation in interface Model

Overrides:

getUnderlyingModelImplementation in class AbstractModel

isEmpty

public boolean isEmpty()

Description copied from class: AbstractModel

sublcasses should override this method for performance

Specified by:

isEmpty in interface Model

Overrides:

isEmpty in class AbstractModel

isIsomorphicWith

public boolean isIsomorphicWith(Model other)

Specified by:

isIsomorphicWith in interface Model

isLocked

public boolean isLocked()

Specified by:

isLocked in interface Lockable

isOpen

public boolean isOpen()

Specified by:

isOpen in interface Model

Overrides:

isOpen in class AbstractModel

isValidURI

public boolean isValidURI(java.lang.String uriString)

Specified by:

isValidURI in interface ModelValueFactory

iterator

public ClosableIterator<Statement> iterator()

Specified by:

iterator in interface java.lang.Iterable<Statement>

Specified by:

iterator in interface ClosableIterable<Statement>

lock

public void lock()
          throws LockException

Specified by:

lock in interface Lockable

Throws:

LockException

newRandomUniqueURI

public URI newRandomUniqueURI()

Specified by:

newRandomUniqueURI in interface ModelValueFactory

Overrides:

newRandomUniqueURI in class AbstractModel

open

public void open()

Description copied from class: AbstractModel

Open connection to defined, unterlying implementation.

Specified by:

open in interface Model

Overrides:

open in class AbstractModel

queryConstruct

public ClosableIterable<Statement> queryConstruct(java.lang.String query,
                                                  java.lang.String querylanguage)
                                           throws QueryLanguageNotSupportedException,
                                                  ModelRuntimeException

Description copied from class: AbstractModel

Throws an exception if the syntax is not SPARQL

Specified by:

queryConstruct in interface Sparqlable

Overrides:

queryConstruct in class AbstractModel

Throws:

QueryLanguageNotSupportedException

ModelRuntimeException

querySelect

public QueryResultTable querySelect(java.lang.String query,
                                    java.lang.String querylanguage)
                             throws QueryLanguageNotSupportedException,
                                    ModelRuntimeException

Description copied from class: AbstractModel

Throws an exception if the syntax is not SPARQL

Specified by:

querySelect in interface Sparqlable

Overrides:

querySelect in class AbstractModel

Throws:

QueryLanguageNotSupportedException

ModelRuntimeException

readFrom

public void readFrom(java.io.InputStream in)
              throws java.io.IOException,
                     ModelRuntimeException

Specified by:

readFrom in interface ModelIO

Throws:

java.io.IOException

ModelRuntimeException

readFrom

public void readFrom(java.io.InputStream reader,
                     Syntax syntax)
              throws java.io.IOException,
                     ModelRuntimeException

Description copied from class: AbstractModel

Throws an exception if the syntax is not RDF/XML. Subclasses are encouraged to overwrite this.

Specified by:

readFrom in interface ModelIO

Overrides:

readFrom in class AbstractModel

Throws:

java.io.IOException

ModelRuntimeException

readFrom

public void readFrom(java.io.Reader r)
              throws java.io.IOException,
                     ModelRuntimeException

Specified by:

readFrom in interface ModelIO

Throws:

java.io.IOException

ModelRuntimeException

readFrom

public void readFrom(java.io.Reader reader,
                     Syntax syntax)
              throws ModelRuntimeException,
                     java.io.IOException

Specified by:

readFrom in interface ModelIO

Throws:

ModelRuntimeException

java.io.IOException

removeAll

public void removeAll()
               throws ModelRuntimeException

Specified by:

removeAll in interface ModelAddRemove

Overrides:

removeAll in class AbstractModel

Throws:

ModelRuntimeException

removeAll

public void removeAll(java.util.Iterator<? extends Statement> other)
               throws ModelRuntimeException

Specified by:

removeAll in interface ModelAddRemove

Overrides:

removeAll in class AbstractModel

Throws:

ModelRuntimeException

removeStatement

public void removeStatement(Resource subject,
                            URI predicate,
                            Node object)
                     throws ModelRuntimeException

Specified by:

removeStatement in interface ModelAddRemove

Specified by:

removeStatement in class AbstractModelAddRemove

Throws:

ModelRuntimeException

removeStatement

public void removeStatement(Resource subject,
                            URI predicate,
                            java.lang.String literal)
                     throws ModelRuntimeException

Specified by:

removeStatement in interface ModelAddRemove

Overrides:

removeStatement in class AbstractModel

Throws:

ModelRuntimeException

removeStatement

public void removeStatement(Resource subject,
                            URI predicate,
                            java.lang.String literal,
                            java.lang.String languageTag)
                     throws ModelRuntimeException

Specified by:

removeStatement in interface ModelAddRemove

Overrides:

removeStatement in class AbstractModel

Throws:

ModelRuntimeException

removeStatement

public void removeStatement(Resource subject,
                            URI predicate,
                            java.lang.String literal,
                            URI datatypeURI)
                     throws ModelRuntimeException

Specified by:

removeStatement in interface ModelAddRemove

Overrides:

removeStatement in class AbstractModel

Throws:

ModelRuntimeException

removeStatement

public void removeStatement(Statement statement)
                     throws ModelRuntimeException

Specified by:

removeStatement in interface ModelAddRemove

Overrides:

removeStatement in class AbstractModel

Throws:

ModelRuntimeException

removeStatement

public void removeStatement(java.lang.String subjectURIString,
                            URI predicate,
                            java.lang.String literal)
                     throws ModelRuntimeException

Specified by:

removeStatement in interface ModelAddRemove

Overrides:

removeStatement in class AbstractModel

Throws:

ModelRuntimeException

removeStatement

public void removeStatement(java.lang.String subjectURIString,
                            URI predicate,
                            java.lang.String literal,
                            java.lang.String languageTag)
                     throws ModelRuntimeException

Specified by:

removeStatement in interface ModelAddRemove

Overrides:

removeStatement in class AbstractModel

Throws:

ModelRuntimeException

removeStatement

public void removeStatement(java.lang.String subjectURIString,
                            URI predicate,
                            java.lang.String literal,
                            URI datatypeURI)
                     throws ModelRuntimeException

Specified by:

removeStatement in interface ModelAddRemove

Overrides:

removeStatement in class AbstractModel

Throws:

ModelRuntimeException

removeStatements

public void removeStatements(ResourceOrVariable subject,
                             UriOrVariable predicate,
                             NodeOrVariable object)
                      throws ModelRuntimeException

Specified by:

removeStatements in interface ModelRemovePatterns

Overrides:

removeStatements in class AbstractModel

Throws:

ModelRuntimeException

setAutocommit

public void setAutocommit(boolean autocommit)

Description copied from class: AbstractModel

OVERWRITE ME

Specified by:

setAutocommit in interface Commitable

Overrides:

setAutocommit in class AbstractModel

setDelegatedModel

protected void setDelegatedModel(Model model)

setProperty

public void setProperty(URI propertyURI,
                        java.lang.Object value)

Description copied from class: AbstractModel

Add an arbitrary property, this will not be persisted and is only available at runtime. This allows Model to serve as a central data model in larger applications (like SemVersion.ontoware.org)

Specified by:

setProperty in interface Model

Overrides:

setProperty in class AbstractModel

size

public long size()
          throws ModelRuntimeException

Description copied from class: AbstractModel

This is a really slow implementation, please override.

Specified by:

size in interface Model

Overrides:

size in class AbstractModel

Throws:

ModelRuntimeException

sparqlAsk

public boolean sparqlAsk(java.lang.String query)
                  throws ModelRuntimeException

Specified by:

sparqlAsk in interface Sparqlable

Overrides:

sparqlAsk in class AbstractModel

Throws:

ModelRuntimeException

sparqlConstruct

public ClosableIterable<Statement> sparqlConstruct(java.lang.String query)
                                            throws ModelRuntimeException

Specified by:

sparqlConstruct in interface Sparqlable

Throws:

ModelRuntimeException

sparqlDescribe

public ClosableIterable<Statement> sparqlDescribe(java.lang.String query)
                                           throws ModelRuntimeException

Specified by:

sparqlDescribe in interface Sparqlable

Throws:

ModelRuntimeException

sparqlSelect

public QueryResultTable sparqlSelect(java.lang.String queryString)
                              throws ModelRuntimeException

Specified by:

sparqlSelect in interface Sparqlable

Throws:

ModelRuntimeException

unlock

public void unlock()

Specified by:

unlock in interface Lockable

update

public void update(DiffReader diff)
            throws ModelRuntimeException

Description copied from class: AbstractModel

Implementations with support for transactions should use them instead of this implementation.

Specified by:

update in interface ModelAddRemove

Overrides:

update in class AbstractModel

Throws:

ModelRuntimeException

writeTo

public void writeTo(java.io.OutputStream out)
             throws java.io.IOException,
                    ModelRuntimeException

Specified by:

writeTo in interface ModelIO

Throws:

java.io.IOException

ModelRuntimeException

writeTo

public void writeTo(java.io.OutputStream out,
                    Syntax syntax)
             throws java.io.IOException,
                    ModelRuntimeException

Description copied from class: AbstractModel

Throws an exception if the syntax is not known

Specified by:

writeTo in interface ModelIO

Overrides:

writeTo in class AbstractModel

Throws:

java.io.IOException

ModelRuntimeException

writeTo

public void writeTo(java.io.Writer w)
             throws java.io.IOException,
                    ModelRuntimeException

Specified by:

writeTo in interface ModelIO

Throws:

java.io.IOException

ModelRuntimeException

writeTo

public void writeTo(java.io.Writer writer,
                    Syntax syntax)
             throws ModelRuntimeException,
                    java.io.IOException

Specified by:

writeTo in interface ModelIO

Throws:

ModelRuntimeException

java.io.IOException

readFrom

public void readFrom(java.io.Reader in,
                     Syntax syntax,
                     java.lang.String baseURI)
              throws java.io.IOException,
                     ModelRuntimeException

Description copied from class: AbstractModel

Throws an exception if the syntax is not RDF/XML. Sets base URI to the empty string (default). Subclasses are encouraged to overwrite this.

Specified by:

readFrom in interface ModelIO

Overrides:

readFrom in class AbstractModel

Throws:

java.io.IOException

ModelRuntimeException

readFrom

public void readFrom(java.io.InputStream reader,
                     Syntax syntax,
                     java.lang.String baseURI)
              throws java.io.IOException,
                     ModelRuntimeException

Description copied from class: AbstractModel

Throws an exception if the syntax is not RDF/XML. Set baseURI to the empty string. Subclasses are encouraged to overwrite this.

Specified by:

readFrom in interface ModelIO

Overrides:

readFrom in class AbstractModel

Throws:

java.io.IOException

ModelRuntimeException

getNamespace

public java.lang.String getNamespace(java.lang.String prefix)

Specified by:

getNamespace in interface NamespaceSupport

getNamespaces

public java.util.Map<java.lang.String,java.lang.String> getNamespaces()

Specified by:

getNamespaces in interface NamespaceSupport

removeNamespace

public void removeNamespace(java.lang.String prefix)

Specified by:

removeNamespace in interface NamespaceSupport

setNamespace

public void setNamespace(java.lang.String prefix,
                         java.lang.String namespaceURI)
                  throws java.lang.IllegalArgumentException

Specified by:

setNamespace in interface NamespaceSupport

Throws:

java.lang.IllegalArgumentException

addModel

public void addModel(Model model)
              throws ModelRuntimeException

Description copied from class: AbstractModel

subclasses should overwrite this for performance reasons

Specified by:

addModel in interface Model

Overrides:

addModel in class AbstractModel

Throws:

ModelRuntimeException