TriplesSameSubject.java

/*******************************************************************************
 * Copyright (c) 2018 Eclipse RDF4J contributors.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Distribution License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *******************************************************************************/

package org.eclipse.rdf4j.sparqlbuilder.graphpattern;

import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.sparqlbuilder.rdf.Rdf;
import org.eclipse.rdf4j.sparqlbuilder.rdf.RdfObject;
import org.eclipse.rdf4j.sparqlbuilder.rdf.RdfPredicate;
import org.eclipse.rdf4j.sparqlbuilder.rdf.RdfPredicateObjectList;
import org.eclipse.rdf4j.sparqlbuilder.rdf.RdfPredicateObjectListCollection;
import org.eclipse.rdf4j.sparqlbuilder.rdf.RdfSubject;

/**
 * A SPARQL Triple Pattern.
 *
 * @see <a href="http://www.w3.org/TR/2013/REC-sparql11-query-20130321/#QSynTriples"> Triple pattern syntax</a>
 */
class TriplesSameSubject implements TriplePattern {
	private final RdfSubject subject;
	private final RdfPredicateObjectListCollection predicateObjectLists = Rdf.predicateObjectListCollection();

	TriplesSameSubject(RdfSubject subject, RdfPredicate predicate, RdfObject... objects) {
		this.subject = subject;
		andHas(predicate, objects);
	}

	TriplesSameSubject(RdfSubject subject, IRI predicate, RdfObject... objects) {
		this(subject, Rdf.iri(predicate), objects);
	}

	TriplesSameSubject(RdfSubject subject, RdfPredicateObjectList... lists) {
		this.subject = subject;
		andHas(lists);
	}

	@Override
	public TriplesSameSubject andHas(RdfPredicateObjectList... lists) {
		predicateObjectLists.andHas(lists);

		return this;
	}

	@Override
	public String getQueryString() {
		return subject.getQueryString() + " " + predicateObjectLists.getQueryString() + SUFFIX;
	}
}