/*** * extract all the mappings from a datasource * * @return a new OBDA Model containing all the extracted mappings */ private SQLPPMapping extractPPMapping(Optional<SQLPPMapping> ppMapping) throws MappingException, SQLException { SQLPPMapping mapping; if (!ppMapping.isPresent()) { it.unibz.inf.ontop.spec.mapping.PrefixManager prefixManager = specificationFactory.createPrefixManager(ImmutableMap.of()); MappingMetadata mappingMetadata = specificationFactory.createMetadata(prefixManager, UriTemplateMatcher.create(Stream.empty())); mapping = ppMappingFactory.createSQLPreProcessedMapping(ImmutableList.of(), mappingMetadata); } else mapping = ppMapping.get(); currentMappingIndex = mapping.getTripleMaps().size() + 1; return bootstrapMappings(mapping); }
private SQLPPMapping bootstrapMappings(RDBMetadata metadata, SQLPPMapping ppMapping) throws DuplicateMappingException { if (baseIRI == null || baseIRI.isEmpty()) this.baseIRI = ppMapping.getMetadata().getPrefixManager().getDefaultPrefix(); Collection<DatabaseRelationDefinition> tables = metadata.getDatabaseRelations(); List<SQLPPTriplesMap> mappingAxioms = new ArrayList<>(); for (DatabaseRelationDefinition td : tables) { mappingAxioms.addAll(getMapping(td, baseIRI)); } List<SQLPPTriplesMap> mappings = new ArrayList<>(); mappings.addAll(ppMapping.getTripleMaps()); mappings.addAll(mappingAxioms); return ppMappingFactory.createSQLPreProcessedMapping(ImmutableList.copyOf(mappings), ppMapping.getMetadata()); }
private SQLPPMapping bootstrapMappings(RDBMetadata metadata, SQLPPMapping ppMapping) throws DuplicateMappingException { if (baseIRI == null || baseIRI.isEmpty()) this.baseIRI = ppMapping.getMetadata().getPrefixManager().getDefaultPrefix(); Collection<DatabaseRelationDefinition> tables = metadata.getDatabaseRelations(); List<SQLPPTriplesMap> mappingAxioms = new ArrayList<>(); for (DatabaseRelationDefinition td : tables) { mappingAxioms.addAll(getMapping(td, baseIRI)); } List<SQLPPTriplesMap> mappings = new ArrayList<>(); mappings.addAll(ppMapping.getTripleMaps()); mappings.addAll(mappingAxioms); return ppMappingFactory.createSQLPreProcessedMapping(ImmutableList.copyOf(mappings), ppMapping.getMetadata()); }
/*** * extract all the mappings from a datasource * * @return a new OBDA Model containing all the extracted mappings */ private SQLPPMapping extractPPMapping(Optional<SQLPPMapping> ppMapping) throws MappingException, SQLException { SQLPPMapping mapping; if (!ppMapping.isPresent()) { it.unibz.inf.ontop.spec.mapping.PrefixManager prefixManager = specificationFactory.createPrefixManager(ImmutableMap.of()); MappingMetadata mappingMetadata = specificationFactory.createMetadata(prefixManager, UriTemplateMatcher.create(Stream.empty(), termFactory)); mapping = ppMappingFactory.createSQLPreProcessedMapping(ImmutableList.of(), mappingMetadata); } else mapping = ppMapping.get(); currentMappingIndex = mapping.getTripleMaps().size() + 1; return bootstrapMappings(mapping); }
public SQLPPMapping generatePPMapping() { ImmutableList<SQLPPTriplesMap> triplesMaps = ImmutableList.copyOf(triplesMapMap.values()); try { UriTemplateMatcher uriTemplateMatcher = UriTemplateMatcher.create( triplesMaps.stream() .flatMap(ax -> ax.getTargetAtoms().stream()) .flatMap(targetAtom -> targetAtom.getSubstitution().getImmutableMap().values().stream()) .filter(t -> t instanceof ImmutableFunctionalTerm) .map(t -> (ImmutableFunctionalTerm) t), termFactory); return ppMappingFactory.createSQLPreProcessedMapping(triplesMaps, // TODO: give an immutable prefix manager!! specificationFactory.createMetadata(prefixManager, uriTemplateMatcher)); /** * No mapping so should never happen */ } catch(DuplicateMappingException e) { throw new RuntimeException("A DuplicateMappingException has been thrown while no mapping has been given." + "What is going on? Message: " + e.getMessage()); } }
private SQLPPMapping parse(R2RMLManager manager) throws DuplicateMappingException, InvalidMappingException { try { //TODO: make the R2RMLManager simpler. ImmutableList<SQLPPTriplesMap> sourceMappings = manager.getMappings(manager.getModel()); UriTemplateMatcher uriTemplateMatcher = UriTemplateMatcher.create( sourceMappings.stream() .flatMap(ax -> ax.getTargetAtoms().stream()) .flatMap(atom -> atom.getSubstitution().getImmutableMap().values().stream()) .filter(t -> t instanceof ImmutableFunctionalTerm) .map(t -> (ImmutableFunctionalTerm) t), termFactory); //TODO: try to extract prefixes from the R2RML mappings PrefixManager prefixManager = specificationFactory.createPrefixManager(ImmutableMap.of()); MappingMetadata mappingMetadata = specificationFactory.createMetadata(prefixManager, uriTemplateMatcher); return ppMappingFactory.createSQLPreProcessedMapping(sourceMappings, mappingMetadata); } catch (InvalidR2RMLMappingException e) { throw new InvalidMappingException(e.getMessage()); } }
return ppMappingFactory.createSQLPreProcessedMapping(mappingAxioms, metadata);