fr.lirmm.graphik.graal.store.triplestore.rdf4j

Class RDF4jStore

java.lang.Object

fr.lirmm.graphik.graal.core.atomset.AbstractAtomSet

fr.lirmm.graphik.graal.core.store.AbstractStore

fr.lirmm.graphik.graal.core.store.AbstractTripleStore

fr.lirmm.graphik.graal.store.triplestore.rdf4j.RDF4jStore

All Implemented Interfaces:

AtomSet, Store, TripleStore, CloseableIterable<Atom>

public class RDF4jStore
extends AbstractTripleStore

Author:

Clément Sipieter (INRIA) <clement@6pi.fr>

Field Summary

Fields inherited from class fr.lirmm.graphik.graal.core.store.AbstractTripleStore

DEFAULT_PREFIX, DEFAULT_PREFIX_VALUE, PREFIX, SELECT_ALL, SELECT_PREDICATES_QUERY, SELECT_QUERY, SELECT_TERMS_QUERY

Constructor Summary

Constructors

Constructor and Description
RDF4jStore(org.eclipse.rdf4j.repository.Repository repo) Construct a RDF4jStore around a RDF4J Repository

Method Summary

Modifier and Type	Method and Description
boolean	add(Atom atom) Add the specified atom to this atom set if is not already present.
boolean	addAll(CloseableIterator<? extends Atom> atom) Add the specified atom stream to this atom set.
CloseableIterator<Atom>	atomsByPredicate(Predicate p) Returns an iterator over all atoms with the specified predicate.
void	clear()
void	close()
boolean	contains(Atom atom) Returns true if this atom set contains the specified atom.
protected void	finalize()
TermGenerator	getFreshSymbolGenerator()
Set<Predicate>	getPredicates() Returns a Set of all predicates in this atom set.
Set<Term>	getTerms() Returns a Set of all terms in this atom set.
Set<Term>	getTerms(Term.Type type) Deprecated.
boolean	isWriteable()
CloseableIterator<Atom>	iterator() Returns an iterator over the atoms in this atom set.
CloseableIterator<Atom>	match(Atom atom) Returns an iterator over atoms that match predicate and constants from the specified atom.
CloseableIterator<Predicate>	predicatesIterator() Returns an iterator over all predicates in this atom set.
boolean	remove(Atom atom) Remove the specified atom from this this atom set.
boolean	removeAll(CloseableIterator<? extends Atom> atom) Remove the specified atom stream from this atom set.
CloseableIterator<Term>	termsByPredicatePosition(Predicate p, int position) Returns an iterator over terms which are in a specific position in at least one atom with the specified predicate.
CloseableIterator<Term>	termsIterator() Returns an iterator over all terms in this atom set.
CloseableIterator<Term>	termsIterator(Term.Type type) Deprecated.

Methods inherited from class fr.lirmm.graphik.graal.core.store.AbstractTripleStore

getDefaultPrefix

Methods inherited from class fr.lirmm.graphik.graal.core.store.AbstractStore

createBatchProcessor, getDomainSize, size

Methods inherited from class fr.lirmm.graphik.graal.core.atomset.AbstractAtomSet

addAll, constantsIterator, equals, equals, getConstants, getLiterals, getVariables, isEmpty, isSubSetOf, literalsIterator, removeAll, toString, variablesIterator

Methods inherited from class java.lang.Object

clone, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface fr.lirmm.graphik.graal.api.store.Store

createBatchProcessor, getDomainSize, size

Methods inherited from interface fr.lirmm.graphik.graal.api.core.AtomSet

addAll, constantsIterator, getConstants, getLiterals, getVariables, isEmpty, isSubSetOf, literalsIterator, removeAll, variablesIterator

Constructor Detail

RDF4jStore

public RDF4jStore(org.eclipse.rdf4j.repository.Repository repo)
           throws AtomSetException

Construct a RDF4jStore around a RDF4J Repository

Parameters:

repo -

Throws:

AtomSetException

Method Detail

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

isWriteable

public boolean isWriteable()

close

public void close()

add

public boolean add(Atom atom)
            throws AtomSetException

Description copied from interface: AtomSet

Add the specified atom to this atom set if is not already present.

Parameters:

atom - - atom to be added to this atom set

Returns:

true if this atom set did not already contain the specified atom

Throws:

AtomSetException

addAll

public boolean addAll(CloseableIterator<? extends Atom> atom)
               throws AtomSetException

Description copied from interface: AtomSet

Add the specified atom stream to this atom set.

Specified by:

addAll in interface AtomSet

Overrides:

addAll in class AbstractAtomSet

Returns:

true if this atomset changed as a result of the call.

Throws:

AtomSetException

remove

public boolean remove(Atom atom)
               throws AtomSetException

Description copied from interface: AtomSet

Remove the specified atom from this this atom set.

Parameters:

atom -

Returns:

always return true.

Throws:

AtomSetException

removeAll

public boolean removeAll(CloseableIterator<? extends Atom> atom)
                  throws AtomSetException

Description copied from interface: AtomSet

Remove the specified atom stream from this atom set.

Specified by:

removeAll in interface AtomSet

Overrides:

removeAll in class AbstractAtomSet

Parameters:

atom - - the atom stream to be removed.

Returns:

true if this atomset changed as a result of the call

Throws:

AtomSetException

contains

public boolean contains(Atom atom)
                 throws AtomSetException

Description copied from interface: AtomSet

Returns true if this atom set contains the specified atom.

Specified by:

contains in interface AtomSet

Overrides:

contains in class AbstractAtomSet

Returns:

true if this atom set contains the specified atom.

Throws:

AtomSetException

match

public CloseableIterator<Atom> match(Atom atom)
                              throws AtomSetException

Description copied from interface: AtomSet

Returns an iterator over atoms that match predicate and constants from the specified atom.

Returns:

an iterator over atoms.

Throws:

AtomSetException

atomsByPredicate

public CloseableIterator<Atom> atomsByPredicate(Predicate p)
                                         throws AtomSetException

Description copied from interface: AtomSet

Returns an iterator over all atoms with the specified predicate.

Returns:

an iterator over all atoms with the specified predicate.

Throws:

AtomSetException

termsByPredicatePosition

public CloseableIterator<Term> termsByPredicatePosition(Predicate p,
                                                        int position)
                                                 throws AtomSetException

Description copied from interface: AtomSet

Returns an iterator over terms which are in a specific position in at least one atom with the specified predicate.

position - the term position in atoms, positions starts from 0.

Returns:

an iterator over terms which appear in the specified position of the specified predicate.

Throws:

AtomSetException

predicatesIterator

public CloseableIterator<Predicate> predicatesIterator()
                                                throws AtomSetException

Description copied from interface: AtomSet

Returns an iterator over all predicates in this atom set. Each predicate is iterated only once time.

Returns:

an iterator over all predicates.

Throws:

AtomSetException

getPredicates

public Set<Predicate> getPredicates()
                             throws AtomSetException

Description copied from interface: AtomSet

Returns a Set of all predicates in this atom set.

Specified by:

getPredicates in interface AtomSet

Overrides:

getPredicates in class AbstractAtomSet

Returns:

a Set of all predicates.

Throws:

AtomSetException

termsIterator

public CloseableIterator<Term> termsIterator()
                                      throws AtomSetException

Description copied from interface: AtomSet

Returns an iterator over all terms in this atom set. Each term is iterated only once time.

Returns:

an iterator over all terms.

Throws:

AtomSetException

getTerms

public Set<Term> getTerms()
                   throws AtomSetException

Description copied from interface: AtomSet

Returns a Set of all terms in this atom set.

Specified by:

getTerms in interface AtomSet

Overrides:

getTerms in class AbstractAtomSet

Returns:

a Set of all terms.

Throws:

AtomSetException

termsIterator

@Deprecated
public CloseableIterator<Term> termsIterator(Term.Type type)
                                                  throws AtomSetException

Deprecated.

Description copied from interface: AtomSet

This method is deprecated since 1.3, use AtomSet.variablesIterator(), AtomSet.constantsIterator() or AtomSet.literalsIterator() instead.

Returns an iterator of all terms of the specified type in this atom set. Each term is iterated only once time.

Returns:

an iterator of all terms.

Throws:

AtomSetException

getTerms

@Deprecated
public Set<Term> getTerms(Term.Type type)
                               throws AtomSetException

Deprecated.

Description copied from interface: AtomSet

This method is deprecated since 1.3, use AtomSet.getVariables(), AtomSet.getConstants() or AtomSet.getLiterals() instead.

Returns a Set of all terms of the specified type in this atom set.

Specified by:

getTerms in interface AtomSet

Overrides:

getTerms in class AbstractAtomSet

Returns:

a collection of all terms of the specified type in this atom set.

Throws:

AtomSetException

getFreshSymbolGenerator

public TermGenerator getFreshSymbolGenerator()

Returns:

the SymbolGenerator used by this atomset.

clear

public void clear()
           throws AtomSetException

Throws:

AtomSetException

iterator

public CloseableIterator<Atom> iterator()

Description copied from interface: AtomSet

Returns an iterator over the atoms in this atom set.

Returns:

an iterator over the atoms in this atom set.