org.semanticweb.owlapi.model.AsOWLNamedIndividual Maven / Gradle / Ivy

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package org.semanticweb.owlapi.model;

/** Convert to OWLNamedIndividual interface. */
public interface AsOWLNamedIndividual {

    /**
     * A convenience method that determines if this entity is an
     * OWLNamedIndividual.
     * 
     * @return {@code true} if this entity is an OWLNamedIndividual, otherwise
     *         {@code false}
     */
    default boolean isOWLNamedIndividual() {
        return false;
    }

    /**
     * A convenience method that obtains this entity as an OWLNamedIndividual
     * (in order to avoid explicit casting).
     * 
     * @return The entity as an OWLNamedIndividual.
     * @throws OWLRuntimeException
     *         if this entity is not an OWLIndividual (check with the
     *         isOWLIndividual method first).
     */
    default OWLNamedIndividual asOWLNamedIndividual() {
        if (isOWLNamedIndividual()) {
            return (OWLNamedIndividual) this;
        }
        throw new ClassCastException(getClass().getName() + "is not an OWLNamedIndividual");
    }
}