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HermiT is reasoner for ontologies written using the Web Ontology Language (OWL). Given an OWL file, HermiT can determine whether or not the ontology is consistent, identify subsumption relationships between classes, and much more. This is the maven build of HermiT and is designed for people who wish to use HermiT from within the OWL API. It is now versioned in the main HermiT version repository, although not officially supported by the HermiT developers. The version number of this package is a composite of the HermiT version and a value representing the OWLAPI release it is compatible with. Note that the group id for the upstream HermiT is com.hermit-reasoner, while this fork is released under net.sourceforge.owlapi. This fork exists to allow HermiT users to use newer OWLAPI versions than the ones supported by the original HermiT codebase. This package includes the Jautomata library (http://jautomata.sourceforge.net/), and builds with it directly. This library appears to be no longer under active development, and so a "fork" seems appropriate. No development is intended or anticipated on this code base.

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package org.semanticweb.HermiT;

import org.protege.editor.owl.model.inference.AbstractProtegeOWLReasonerInfo;
import org.protege.editor.owl.model.inference.ReasonerPreferences;
import org.semanticweb.HermiT.Configuration.PrepareReasonerInferences;
import org.semanticweb.owlapi.reasoner.BufferingMode;
import org.semanticweb.owlapi.reasoner.OWLReasonerConfiguration;
import org.semanticweb.owlapi.reasoner.OWLReasonerFactory;
import org.semanticweb.owlapi.reasoner.ReasonerProgressMonitor;

/**
 * Protege reasoner factory.
 */
public class ProtegeReasonerFactory extends AbstractProtegeOWLReasonerInfo {
    protected final ReasonerFactory factory=new ReasonerFactory();

    @Override
    public BufferingMode getRecommendedBuffering() {
        return BufferingMode.BUFFERING;
    }
    @Override
    public OWLReasonerFactory getReasonerFactory() {
        return factory;
    }

    @Override
    public OWLReasonerConfiguration getConfiguration(ReasonerProgressMonitor monitor) {
        Configuration configuration = new Configuration();
        configuration.ignoreUnsupportedDatatypes = true;
        configuration.reasonerProgressMonitor = monitor;
        try {
            // see whether the Protege version of the user already has the reasoner preferences tab
            AbstractProtegeOWLReasonerInfo.class.getMethod("getOWLModelManager",(Class[])null);
            // if we are not thrown into the catch block, we can initialise the reasoner preferences
            ReasonerPreferences preferences=this.getOWLModelManager().getReasonerPreferences();
            PrepareReasonerInferences prepareReasonerInferences=new PrepareReasonerInferences();

            // class classification
            prepareReasonerInferences.classClassificationRequired=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_CLASS_UNSATISFIABILITY) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_EQUIVALENT_CLASSES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_DISJOINT_CLASSES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_SUPER_CLASSES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_OBJECT_PROPERTY_DOMAINS) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_OBJECT_PROPERTY_RANGES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_DATATYPE_PROPERTY_DOMAINS
            );

            // object property classification
            prepareReasonerInferences.objectPropertyClassificationRequired=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_EQUIVALENT_OBJECT_PROPERTIES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_INVERSE_PROPERTIES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_SUPER_OBJECT_PROPERTIES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_OBJECT_PROPERTY_UNSATISFIABILITY
            );

            // data property classification
            prepareReasonerInferences.dataPropertyClassificationRequired=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_EQUIVALENT_DATATYPE_PROPERTIES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_SUPER_DATATYPE_PROPERTIES) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_DATA_PROPERTY_ASSERTIONS
            );

            // realisation
            prepareReasonerInferences.realisationRequired=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_INFERED_CLASS_MEMBERS) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_TYPES
            );

            // object property realisation
            prepareReasonerInferences.objectPropertyRealisationRequired=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_OBJECT_PROPERTY_ASSERTIONS
            );

            // data property realisation
            prepareReasonerInferences.dataPropertyRealisationRequired=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_DATA_PROPERTY_ASSERTIONS
            ); // cannot be switched off, but is usually fast since we only compute obvious assertions by syntactic analysis

            // object property domain & range
            prepareReasonerInferences.objectPropertyDomainsRequired=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_OBJECT_PROPERTY_DOMAINS
            );
            prepareReasonerInferences.objectPropertyRangesRequired=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_OBJECT_PROPERTY_RANGES
            );

            // sameAs
            prepareReasonerInferences.sameAs=preferences.isEnabled(
                ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_DATA_PROPERTY_ASSERTIONS) ||
                preferences.isEnabled(ReasonerPreferences.OptionalInferenceTask.SHOW_INFERRED_SAMEAS_INDIVIDUAL_ASSERTIONS
            ); // we also substitute same individuals now

            configuration.prepareReasonerInferences=prepareReasonerInferences;
        }
        catch (@SuppressWarnings("unused") NoSuchMethodException e) {
            // do nothing, prepareReasoner() will just execute all methods because the user's Protege
            // version does not yet have the reasoner preferences tab that we can use to customize
            // prepareReasoner()
        }
        return configuration;
    }
}