1 /*
2 * #%L
3 * prolobjectlink-jpi-jtrolog
4 * %%
5 * Copyright (C) 2019 Prolobjectlink Project
6 * %%
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation, either version 2.1 of the
10 * License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Lesser Public License for more details.
16 *
17 * You should have received a copy of the GNU General Lesser Public
18 * License along with this program. If not, see
19 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
20 * #L%
21 */
22 package io.github.prolobjectlink.prolog.jtrolog;
23
24 import static io.github.prolobjectlink.prolog.PrologTermType.NIL_TYPE;
25
26 import io.github.prolobjectlink.prolog.PrologProvider;
27 import io.github.prolobjectlink.prolog.PrologTerm;
28 import jTrolog.terms.StructAtom;
29
30 /**
31 *
32 * @author Jose Zalacain
33 * @since 1.0
34 */
35 final class JTrologNil extends JTrologTerm implements PrologTerm {
36
37 JTrologNil(PrologProvider provider) {
38 super(NIL_TYPE, provider, new StructAtom("nil"));
39 }
40
41 public PrologTerm[] getArguments() {
42 return new PrologTerm[0];
43 }
44
45 public int getArity() {
46 return 0;
47 }
48
49 public String getFunctor() {
50 return "" + value + "";
51 }
52
53 }