diff options
Diffstat (limited to 'src/uk/ac/ox/cs/pagoda/reasoner/HermiTReasoner.java')
| -rw-r--r-- | src/uk/ac/ox/cs/pagoda/reasoner/HermiTReasoner.java | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/src/uk/ac/ox/cs/pagoda/reasoner/HermiTReasoner.java b/src/uk/ac/ox/cs/pagoda/reasoner/HermiTReasoner.java deleted file mode 100644 index ac62488..0000000 --- a/src/uk/ac/ox/cs/pagoda/reasoner/HermiTReasoner.java +++ /dev/null | |||
| @@ -1,122 +0,0 @@ | |||
| 1 | package uk.ac.ox.cs.pagoda.reasoner; | ||
| 2 | |||
| 3 | import org.semanticweb.HermiT.Reasoner; | ||
| 4 | import org.semanticweb.owlapi.model.*; | ||
| 5 | import uk.ac.ox.cs.JRDFox.model.Individual; | ||
| 6 | import uk.ac.ox.cs.pagoda.multistage.MultiStageQueryEngine; | ||
| 7 | import uk.ac.ox.cs.pagoda.owl.OWLHelper; | ||
| 8 | import uk.ac.ox.cs.pagoda.owl.QueryRoller; | ||
| 9 | import uk.ac.ox.cs.pagoda.query.*; | ||
| 10 | import uk.ac.ox.cs.pagoda.reasoner.light.BasicQueryEngine; | ||
| 11 | import uk.ac.ox.cs.pagoda.rules.DatalogProgram; | ||
| 12 | import uk.ac.ox.cs.pagoda.util.Utility; | ||
| 13 | import uk.ac.ox.cs.pagoda.util.disposable.DisposedException; | ||
| 14 | |||
| 15 | import java.io.File; | ||
| 16 | import java.io.IOException; | ||
| 17 | import java.util.HashSet; | ||
| 18 | import java.util.Set; | ||
| 19 | |||
| 20 | class HermiTReasoner extends QueryReasoner { | ||
| 21 | |||
| 22 | Reasoner hermit; | ||
| 23 | |||
| 24 | BasicQueryEngine upperStore = null; | ||
| 25 | |||
| 26 | OWLOntology onto; | ||
| 27 | OWLDataFactory factory; | ||
| 28 | |||
| 29 | String importedOntologyPath = null; | ||
| 30 | |||
| 31 | QueryRoller roller; | ||
| 32 | boolean toCheckSatisfiability; | ||
| 33 | |||
| 34 | public HermiTReasoner(boolean toCheckSatisfiability) { | ||
| 35 | this.toCheckSatisfiability = toCheckSatisfiability; | ||
| 36 | } | ||
| 37 | |||
| 38 | @Override | ||
| 39 | public void loadOntology(OWLOntology ontology) { | ||
| 40 | if(isDisposed()) throw new DisposedException(); | ||
| 41 | onto = ontology; | ||
| 42 | } | ||
| 43 | |||
| 44 | @Override | ||
| 45 | public boolean preprocess() { | ||
| 46 | if(isDisposed()) throw new DisposedException(); | ||
| 47 | OWLOntology tbox = onto; | ||
| 48 | try { | ||
| 49 | onto = OWLHelper.getImportedOntology(tbox, getImportedData().split(ImportDataFileSeparator)); | ||
| 50 | importedOntologyPath = OWLHelper.getOntologyPath(onto); | ||
| 51 | } catch(OWLOntologyCreationException | OWLOntologyStorageException | IOException e) { | ||
| 52 | e.printStackTrace(); | ||
| 53 | } | ||
| 54 | |||
| 55 | DatalogProgram datalogProgram = new DatalogProgram(tbox); | ||
| 56 | importData(datalogProgram.getAdditionalDataFile()); | ||
| 57 | upperStore = new MultiStageQueryEngine("rl-upper", false); | ||
| 58 | upperStore.importRDFData("data", getImportedData()); | ||
| 59 | GapByStore4ID gap = new GapByStore4ID(upperStore); | ||
| 60 | upperStore.materialiseFoldedly(datalogProgram, gap); | ||
| 61 | gap.clear(); | ||
| 62 | |||
| 63 | factory = onto.getOWLOntologyManager().getOWLDataFactory(); | ||
| 64 | roller = new QueryRoller(factory); | ||
| 65 | |||
| 66 | hermit = new Reasoner(onto); | ||
| 67 | return isConsistent(); | ||
| 68 | } | ||
| 69 | |||
| 70 | @Override | ||
| 71 | public boolean isConsistent() { | ||
| 72 | if(isDisposed()) throw new DisposedException(); | ||
| 73 | if(toCheckSatisfiability) | ||
| 74 | return hermit.isConsistent(); | ||
| 75 | return true; | ||
| 76 | } | ||
| 77 | |||
| 78 | @Override | ||
| 79 | public void evaluate(QueryRecord record) { | ||
| 80 | if(isDisposed()) throw new DisposedException(); | ||
| 81 | String[] disVars = record.getDistinguishedVariables(); | ||
| 82 | Set<OWLNamedIndividual> individuals = onto.getIndividualsInSignature(true); | ||
| 83 | if(disVars.length == 1) { | ||
| 84 | OWLClassExpression clsExp = roller.rollUp(record.getClause(), record.getAnswerVariables()[0]); | ||
| 85 | Set<AnswerTuple> answers = new HashSet<AnswerTuple>(); | ||
| 86 | for(OWLNamedIndividual individual : individuals) { | ||
| 87 | Utility.logDebug("checking ... " + individual); | ||
| 88 | if(hermit.isEntailed(factory.getOWLClassAssertionAxiom(clsExp, individual))) { | ||
| 89 | answers.add(new AnswerTuple(new Individual[]{Individual.create(individual.toStringID())})); | ||
| 90 | } | ||
| 91 | } | ||
| 92 | record.updateLowerBoundAnswers(new AnswerTuplesImp(record.getAnswerVariables(), answers)); | ||
| 93 | record.markAsProcessed(); | ||
| 94 | } | ||
| 95 | else { | ||
| 96 | // FIXME join here | ||
| 97 | record.markAsProcessed(); | ||
| 98 | } | ||
| 99 | } | ||
| 100 | |||
| 101 | @Override | ||
| 102 | public void evaluateUpper(QueryRecord record) { | ||
| 103 | if(isDisposed()) throw new DisposedException(); | ||
| 104 | AnswerTuples rlAnswer = null; | ||
| 105 | try { | ||
| 106 | rlAnswer = upperStore.evaluate(record.getQueryText(), record.getAnswerVariables()); | ||
| 107 | record.updateUpperBoundAnswers(rlAnswer, true); | ||
| 108 | } finally { | ||
| 109 | if(rlAnswer != null) rlAnswer.dispose(); | ||
| 110 | } | ||
| 111 | } | ||
| 112 | |||
| 113 | @Override | ||
| 114 | public void dispose() { | ||
| 115 | super.dispose(); | ||
| 116 | if(importedOntologyPath != null) { | ||
| 117 | File tmp = new File(importedOntologyPath); | ||
| 118 | if(tmp.exists()) tmp.delete(); | ||
| 119 | } | ||
| 120 | } | ||
| 121 | |||
| 122 | } | ||
