org.openrdf.sesame.sailimpl.rdbms
Class RdfMTDependencyInferencer

java.lang.Object
  org.openrdf.sesame.sailimpl.rdbms.RdfMTDependencyInferencer

All Implemented Interfaces:

TableNames

public class RdfMTDependencyInferencer

extends Object

implements TableNames

Dependency inferencer that infers the depencies between statements based on the rules from the RDF Model Theory Recommendation (10 February 2004). See http://www.w3.org/TR/2004/REC-rdf-mt-20040210/. The dependencies are stored in the DEPEND_TABLE. This inferencer operates directly on the database used by the RdfSchemaRepository.

Field Summary

Fields inherited from interface org.openrdf.sesame.sailimpl.rdbms.TableNames

ADDED_TRIPLES_TABLE, ALL_INFERRED_TABLE, ALL_NEW_TRIPLES_TABLE, CLASS_TABLE, DEPEND_TABLE, DIRECT_SUBCLASSOF_TABLE, DIRECT_SUBPROPERTYOF_TABLE, DOMAIN_TABLE, EXPIRED_LITERALS_TABLE, EXPIRED_RESOURCES_TABLE, EXPIRED_TRIPLES_TABLE, EXPIRED_VALUES_TABLE, GROUNDED_TRIPLES_TABLE, INFERRED_TABLE, INSTANCEOF_TABLE, LITERALS_TABLE, NAMESPACES_TABLE, NEW_GROUNDED_TRIPLES_TABLE, NEW_TRIPLES_TABLE, PROPER_INSTANCEOF_TABLE, PROPERTY_TABLE, RANGE_TABLE, RAW_TRIPLES_TABLE, REP_INFO_TABLE, RESOURCES_TABLE, SUBCLASSOF_TABLE, SUBPROPERTYOF_TABLE, TRIPLES_TABLE

Constructor Summary

RdfMTDependencyInferencer(RdfSchemaRepository sail, RDBMS rdbms)

Method Summary

void	markAxioms() Marks all statements that are in ALL_NEW_TRIPLES_TABLE as axioms.
void	processNewStatements() Processes the new statements that are in ALL_NEW_TRIPLES_TABLE and records there dependencies in the DEPEND_TABLE.

Methods inherited from class java.lang.Object

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

Constructor Detail

RdfMTDependencyInferencer

public RdfMTDependencyInferencer(RdfSchemaRepository sail,
                                 RDBMS rdbms)

Method Detail

markAxioms

public void markAxioms()
                throws SQLException

Marks all statements that are in ALL_NEW_TRIPLES_TABLE as axioms.

Throws:

SQLException

processNewStatements

public void processNewStatements()
                          throws SQLException

Processes the new statements that are in ALL_NEW_TRIPLES_TABLE and records there dependencies in the DEPEND_TABLE.

Throws:

SQLException