org.openrdf.sesame.sailimpl.sync
Class SyncRdfSchemaRepository

java.lang.Object
  org.openrdf.sesame.sailimpl.sync.SyncRdfRepository
      org.openrdf.sesame.sailimpl.sync.SyncRdfSchemaRepository

All Implemented Interfaces:

RdfRepository, RdfSchemaRepository, RdfSchemaSource, RdfSource, Sail, StackedSail

public class SyncRdfSchemaRepository

extends SyncRdfRepository

implements RdfSchemaRepository, StackedSail

Version:

$Revision: 1.4.4.2 $

Author:

Arjohn Kampman

Constructor Summary

SyncRdfSchemaRepository()

Method Summary

StatementIterator	getClasses() Gets all defined classes.
StatementIterator	getDirectSubClassOf(Resource subClass, Resource superClass) Gets all direct subClassOf relations with a specific sub- and/or superclass.
StatementIterator	getDirectSubPropertyOf(Resource subProperty, Resource superProperty) Gets all direct subPropertyOf relations with a specific sub- and/or superproperty.
StatementIterator	getDirectType(Resource anInstance, Resource aClass) Gets all direct type relations with a specific instance and/or class.
StatementIterator	getDomain(Resource prop, Resource domain) Gets all domain relations with a specific property and/or domain class.
StatementIterator	getExplicitStatements(Resource subj, URI pred, Value obj) Gets all explicitly added statements with a specific subject, predicate and/or object.
LiteralIterator	getLiterals(String label, String language, URI datatype) Gets all literals with a specific label, language and/or datatype.
StatementIterator	getProperties() Gets all defined properties.
StatementIterator	getRange(Resource prop, Resource range) Gets all range relations with a specific property and/or range class.
StatementIterator	getSubClassOf(Resource subClass, Resource superClass) Gets all subClassOf relations with a specific sub- and/or superclass.
StatementIterator	getSubPropertyOf(Resource subProperty, Resource superProperty) Gets all subPropertyOf relations with a specific sub- and/or superproperty.
StatementIterator	getType(Resource anInstance, Resource aClass) Gets all type relations with a specific instance and/or class.
boolean	hasExplicitStatement(Resource subj, URI pred, Value obj) Checks if an explicitly added statement with a specific subject, predicate and/or object is present in the repository.
boolean	isClass(Resource resource) Checks whether the supplied resource represents a class.
boolean	isDirectSubClassOf(Resource subClass, Resource superClass) Checks whether one resource is a direct subclass of another.
boolean	isDirectSubPropertyOf(Resource subProperty, Resource superProperty) Checks whether one resource is a direct subproperty of another.
boolean	isDirectType(Resource anInstance, Resource aClass) Checks whether one resource is a direct instance of another.
boolean	isProperty(Resource resource) Checks whether the supplied resource represents a property.
boolean	isSubClassOf(Resource subClass, Resource superClass) Checks whether one resource is a subclass of another.
boolean	isSubPropertyOf(Resource subProperty, Resource superProperty) Checks whether one resource is a subproperty of another.
boolean	isType(Resource anInstance, Resource aClass) Checks whether one resource is an instance of another.
void	setBaseSail(Sail sail) Sets the base Sail that this Sail will work on top of.

Methods inherited from class org.openrdf.sesame.sailimpl.sync.SyncRdfRepository

addListener, addStatement, changeNamespacePrefix, clearRepository, commitTransaction, getBaseSail, getNamespaces, getStatements, getValueFactory, hasStatement, initialize, optimizeQuery, removeListener, removeStatements, shutDown, startTransaction, transactionStarted

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrdf.sesame.sail.RdfSource

getNamespaces, getStatements, getValueFactory, hasStatement, optimizeQuery

Methods inherited from interface org.openrdf.sesame.sail.Sail

initialize, shutDown

Methods inherited from interface org.openrdf.sesame.sail.RdfRepository

addListener, addStatement, changeNamespacePrefix, clearRepository, commitTransaction, removeListener, removeStatements, startTransaction, transactionStarted

Methods inherited from interface org.openrdf.sesame.sail.StackedSail

getBaseSail

Constructor Detail

SyncRdfSchemaRepository

public SyncRdfSchemaRepository()

Method Detail

setBaseSail

public void setBaseSail(Sail sail)

Description copied from interface: StackedSail

Sets the base Sail that this Sail will work on top of. This method will be called before the initialize() method is called.

Specified by:

setBaseSail in interface StackedSail

Overrides:

setBaseSail in class SyncRdfRepository

getExplicitStatements

public StatementIterator getExplicitStatements(Resource subj,
                                               URI pred,
                                               Value obj)

Description copied from interface: RdfSchemaSource

Gets all explicitly added statements with a specific subject, predicate and/or object. All of these parameters may be null to indicate wildcards.

Specified by:

getExplicitStatements in interface RdfSchemaSource

Parameters:

subj - subject of pattern

pred - predicate of pattern

obj - object of pattern

Returns:

iterator over statements

See Also:

RdfSource.getStatements(org.openrdf.model.Resource, org.openrdf.model.URI, org.openrdf.model.Value)

hasExplicitStatement

public boolean hasExplicitStatement(Resource subj,
                                    URI pred,
                                    Value obj)

Description copied from interface: RdfSchemaSource

Checks if an explicitly added statement with a specific subject, predicate and/or object is present in the repository. All of these parameters may be null to indicate wildcards.

Specified by:

hasExplicitStatement in interface RdfSchemaSource

Parameters:

subj - subject of statement

pred - predicate of statement

obj - object of statement

Returns:

boolean indicating if the specified statement is present.

See Also:

RdfSource.hasStatement(org.openrdf.model.Resource, org.openrdf.model.URI, org.openrdf.model.Value)

getClasses

public StatementIterator getClasses()

Description copied from interface: RdfSchemaSource

Gets all defined classes.

Specified by:

getClasses in interface RdfSchemaSource

Returns:

A StatementIterator containing statements of the form (someClass, rdf:type, rdfs:Class).

isClass

public boolean isClass(Resource resource)

Description copied from interface: RdfSchemaSource

Checks whether the supplied resource represents a class.

Specified by:

isClass in interface RdfSchemaSource

Parameters:

resource - A resource

Returns:

true if resource is a class, false otherwise.

getProperties

public StatementIterator getProperties()

Description copied from interface: RdfSchemaSource

Gets all defined properties.

Specified by:

getProperties in interface RdfSchemaSource

Returns:

A StatementIterator containing statements of the form (someProperty, rdf:type, rdf:Property).

isProperty

public boolean isProperty(Resource resource)

Description copied from interface: RdfSchemaSource

Checks whether the supplied resource represents a property.

Specified by:

isProperty in interface RdfSchemaSource

Parameters:

resource - A resource

Returns:

true if resource is a property, false otherwise.

getSubClassOf

public StatementIterator getSubClassOf(Resource subClass,
                                       Resource superClass)

Description copied from interface: RdfSchemaSource

Gets all subClassOf relations with a specific sub- and/or superclass. Note that the subClassOf relation is reflexive: a class is implicitly always a subclass of itself.

Specified by:

getSubClassOf in interface RdfSchemaSource

Parameters:

subClass - The subclass of the relations that should be returned, or null if relations with any subclass should be returned.

superClass - The superclass of the relations that should be returned, or null if relations with any superclass should be returned.

Returns:

A StatementIterator containing statements of the form (someSubClass, rdfs:subClassOf, someSuperClass).

getDirectSubClassOf

public StatementIterator getDirectSubClassOf(Resource subClass,
                                             Resource superClass)

Description copied from interface: RdfSchemaSource

Gets all direct subClassOf relations with a specific sub- and/or superclass. A class A is a direct subclass of class B if there is no class C such that A is a subclass of C and C is a subclass of B.

Specified by:

getDirectSubClassOf in interface RdfSchemaSource

Parameters:

subClass - The subclass of the relations that should be returned, or null if relations with any subclass should be returned.

superClass - The superclass of the relations that should be returned, or null if relations with any superclass should be returned.

Returns:

A StatementIterator containing statements of the form (someSubClass, rdfs:subClassOf, someSuperClass).

isSubClassOf

public boolean isSubClassOf(Resource subClass,
                            Resource superClass)

Description copied from interface: RdfSchemaSource

Checks whether one resource is a subclass of another.

Specified by:

isSubClassOf in interface RdfSchemaSource

Parameters:

subClass - A class

superClass - A class

Returns:

true if subClass is a subclass of superClass, false otherwise.

isDirectSubClassOf

public boolean isDirectSubClassOf(Resource subClass,
                                  Resource superClass)

Description copied from interface: RdfSchemaSource

Checks whether one resource is a direct subclass of another.

Specified by:

isDirectSubClassOf in interface RdfSchemaSource

Parameters:

subClass - A class

superClass - A class

Returns:

true if subClass is a direct subclass of superClass, false otherwise.

getSubPropertyOf

public StatementIterator getSubPropertyOf(Resource subProperty,
                                          Resource superProperty)

Description copied from interface: RdfSchemaSource

Gets all subPropertyOf relations with a specific sub- and/or superproperty. Note that the subPropertyOf relation is reflexive: a property is implicitly always a subproperty of itself.

Specified by:

getSubPropertyOf in interface RdfSchemaSource

Parameters:

subProperty - The subproperty of the relations that should be returned, or null if relations with any subproperty should be returned.

superProperty - The superproperty of the relations that should be returned, or null if relations with any superproperty should be returned.

Returns:

A StatementIterator containing statements of the form (someSubProperty, rdfs:subPropertyOf, someSuperProperty).

getDirectSubPropertyOf

public StatementIterator getDirectSubPropertyOf(Resource subProperty,
                                                Resource superProperty)

Description copied from interface: RdfSchemaSource

Gets all direct subPropertyOf relations with a specific sub- and/or superproperty. A property A is a direct subproperty of property B if there is no property C such that A is a subproperty of C and C is a subproperty of B.

Specified by:

getDirectSubPropertyOf in interface RdfSchemaSource

Parameters:

subProperty - The subproperty of the relations that should be returned, or null if relations with any subproperty should be returned.

superProperty - The superproperty of the relations that should be returned, or null if relations with any superproperty should be returned.

Returns:

A StatementIterator containing statements of the form (someSubProperty, rdfs:subPropertyOf, someSuperProperty).

isSubPropertyOf

public boolean isSubPropertyOf(Resource subProperty,
                               Resource superProperty)

Description copied from interface: RdfSchemaSource

Checks whether one resource is a subproperty of another.

Specified by:

isSubPropertyOf in interface RdfSchemaSource

Parameters:

subProperty - A property

superProperty - A property

Returns:

true if subProperty is a subproperty of superProperty, false otherwise.

isDirectSubPropertyOf

public boolean isDirectSubPropertyOf(Resource subProperty,
                                     Resource superProperty)

Description copied from interface: RdfSchemaSource

Checks whether one resource is a direct subproperty of another.

Specified by:

isDirectSubPropertyOf in interface RdfSchemaSource

Parameters:

subProperty - A property

superProperty - A property

Returns:

true if subProperty is a direct subproperty of superProperty, false otherwise.

getDomain

public StatementIterator getDomain(Resource prop,
                                   Resource domain)

Description copied from interface: RdfSchemaSource

Gets all domain relations with a specific property and/or domain class.

Specified by:

getDomain in interface RdfSchemaSource

Parameters:

prop - The property of the relations that should be returned, or null if relations with any property should be returned.

domain - The domain of the relations that should be returned, or null if relations with any domain should be returned.

Returns:

A StatementIterator containing statements of the form (someProperty, rdfs:domain, someClass).

getRange

public StatementIterator getRange(Resource prop,
                                  Resource range)

Description copied from interface: RdfSchemaSource

Gets all range relations with a specific property and/or range class.

Specified by:

getRange in interface RdfSchemaSource

Parameters:

prop - The property of the relations that should be returned, or null if relations with any property should be returned.

range - The range of the relations that should be returned, or null if relations with any range should be returned.

Returns:

A StatementIterator containing statements of the form (someProperty, rdfs:range, someClass).

getType

public StatementIterator getType(Resource anInstance,
                                 Resource aClass)

Description copied from interface: RdfSchemaSource

Gets all type relations with a specific instance and/or class.

Specified by:

getType in interface RdfSchemaSource

Parameters:

anInstance - The instance of the relations that should be returned, or null if relations with any instance should be returned.

aClass - The class of the relations that should be returned, or null if relations with any class should be returned.

Returns:

A StatementIterator containing statements of the form (someInstance, rdf:type, someClass).

getDirectType

public StatementIterator getDirectType(Resource anInstance,
                                       Resource aClass)

Description copied from interface: RdfSchemaSource

Gets all direct type relations with a specific instance and/or class.

Specified by:

getDirectType in interface RdfSchemaSource

Parameters:

anInstance - The instance of the relations that should be returned, or null if relations with any instance should be returned.

aClass - The class of the relations that should be returned, or null if relations with any class should be returned.

Returns:

A StatementIterator containing statements of the form (someInstance, rdf:type, someClass).

isType

public boolean isType(Resource anInstance,
                      Resource aClass)

Description copied from interface: RdfSchemaSource

Checks whether one resource is an instance of another.

Specified by:

isType in interface RdfSchemaSource

Parameters:

anInstance - An instance

aClass - A class

Returns:

true if anInstance is a instance of aClass, false otherwise.

isDirectType

public boolean isDirectType(Resource anInstance,
                            Resource aClass)

Description copied from interface: RdfSchemaSource

Checks whether one resource is a direct instance of another.

Specified by:

isDirectType in interface RdfSchemaSource

Parameters:

anInstance - An instance

aClass - A class

Returns:

true if anInstance is a direct instance of aClass, false otherwise.

getLiterals

public LiteralIterator getLiterals(String label,
                                   String language,
                                   URI datatype)

Description copied from interface: RdfSchemaSource

Gets all literals with a specific label, language and/or datatype.

Specified by:

getLiterals in interface RdfSchemaSource

Parameters:

label - The label of the literals that should be returned, or null if literals with any label should be returned.

language - The language of the literals that should be returned, or null if literals with any language should be returned.

datatype - The datatype of the literals that should be returned, or null if literals with any datatype should be returned.

Returns:

A LiteralIterator containing literals that match the specified pattern.