it.unibz.inf.ontop.model.term.functionsymbol.impl.NonStrictEqSPARQLFunctionSymbolImpl Maven / Gradle / Ivy

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package it.unibz.inf.ontop.model.term.functionsymbol.impl;

import com.google.common.collect.ImmutableList;
import it.unibz.inf.ontop.model.term.ImmutableExpression;
import it.unibz.inf.ontop.model.term.ImmutableTerm;
import it.unibz.inf.ontop.model.term.TermFactory;
import it.unibz.inf.ontop.model.type.DBTermType;
import it.unibz.inf.ontop.model.type.RDFDatatype;
import it.unibz.inf.ontop.model.type.RDFTermType;
import it.unibz.inf.ontop.model.vocabulary.SPARQL;

import javax.annotation.Nonnull;

public class NonStrictEqSPARQLFunctionSymbolImpl extends AbstractBinaryComparisonSPARQLFunctionSymbol {


    private final RDFDatatype xsdBooleanType;
    private final DBTermType dbBooleanType;

    protected NonStrictEqSPARQLFunctionSymbolImpl(@Nonnull RDFTermType rdfRootType, RDFDatatype xsdBooleanType,
                                                  DBTermType dbBooleanType) {
        super("SP_NON_STRICT_EQ", SPARQL.EQ, rdfRootType, xsdBooleanType);
        this.xsdBooleanType = xsdBooleanType;
        this.dbBooleanType = dbBooleanType;
    }

    @Override
    protected ImmutableTerm computeLexicalTerm(ImmutableList subLexicalTerms,
                                               ImmutableList typeTerms, TermFactory termFactory) {
        ImmutableExpression expression = termFactory.getLexicalNonStrictEquality(subLexicalTerms.get(0), typeTerms.get(0),
                subLexicalTerms.get(1), typeTerms.get(1));
        return termFactory.getConversion2RDFLexical(dbBooleanType, expression, xsdBooleanType);
    }
}