Package org.eclipse.rdf4j.model.impl

Class EmptyModel

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<Statement>

org.eclipse.rdf4j.model.impl.AbstractModel

org.eclipse.rdf4j.model.impl.EmptyModel

All Implemented Interfaces:

Serializable, Iterable<Statement>, Collection<Statement>, Set<Statement>, Model, NamespaceAware

public class EmptyModel
extends AbstractModel

Blocks access to the statements of the model, allowing only changes to the model's namespaces.

Author:

James Leigh

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
EmptyModel(Model model)

Method Summary

Modifier and Type	Method	Description
boolean	add(Resource subj, IRI pred, Value obj, Resource... contexts)
boolean	contains(Resource subj, IRI pred, Value obj, Resource... contexts)
Model	filter(Resource subj, IRI pred, Value obj, Resource... contexts)
Optional<Namespace>	getNamespace(String prefix)
Set<Namespace>	getNamespaces()
Iterator<Statement>	iterator()
boolean	remove(Resource subj, IRI pred, Value obj, Resource... contexts)
Optional<Namespace>	removeNamespace(String prefix)
void	removeTermIteration(Iterator<Statement> iter, Resource subj, IRI pred, Value obj, Resource... contexts)	Called by aggregate sets when a term has been removed from a term iterator.
Namespace	setNamespace(String prefix, String name)
void	setNamespace(Namespace namespace)
int	size()

Methods inherited from class org.eclipse.rdf4j.model.impl.AbstractModel

add, addAll, clear, clear, closeIterator, contains, containsAll, contexts, isEmpty, objects, predicates, remove, removeAll, retainAll, subjects, toArray, toArray, unmodifiable

Methods inherited from class java.util.AbstractSet

equals, hashCode

Methods inherited from class java.util.AbstractCollection

toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface org.eclipse.rdf4j.model.Model

getStatements

Methods inherited from interface java.util.Set

equals, hashCode, spliterator

Constructor Detail

EmptyModel

public EmptyModel(Model model)

Method Detail

getNamespace

public Optional<Namespace> getNamespace(String prefix)

getNamespaces

public Set<Namespace> getNamespaces()

setNamespace

public Namespace setNamespace(String prefix,
                              String name)

setNamespace

public void setNamespace(Namespace namespace)

removeNamespace

public Optional<Namespace> removeNamespace(String prefix)

iterator

public Iterator<Statement> iterator()

Specified by:

iterator in interface Collection<Statement>

Specified by:

iterator in interface Iterable<Statement>

Specified by:

iterator in interface Set<Statement>

Specified by:

iterator in class AbstractCollection<Statement>

size

public int size()

Specified by:

size in interface Collection<Statement>

Specified by:

size in interface Set<Statement>

Specified by:

size in class AbstractCollection<Statement>

add

public boolean add(Resource subj,
                   IRI pred,
                   Value obj,
                   Resource... contexts)

contains

public boolean contains(Resource subj,
                        IRI pred,
                        Value obj,
                        Resource... contexts)

filter

public Model filter(Resource subj,
                    IRI pred,
                    Value obj,
                    Resource... contexts)

remove

public boolean remove(Resource subj,
                      IRI pred,
                      Value obj,
                      Resource... contexts)

removeTermIteration

public void removeTermIteration(Iterator<Statement> iter,
                                Resource subj,
                                IRI pred,
                                Value obj,
                                Resource... contexts)

Description copied from class: AbstractModel

Called by aggregate sets when a term has been removed from a term iterator. Exactly one of the last four terms will be non-empty.

Specified by:

removeTermIteration in class AbstractModel

Parameters:

iter - The iterator used to navigate the live set (never null)

subj - the subject term to be removed or null

pred - the predicate term to be removed or null

obj - the object term to be removed or null

contexts - an array of one context term to be removed or an empty array