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 io.github.prolobjectlink.prolog.PrologList;
25 import io.github.prolobjectlink.prolog.PrologProvider;
26 import io.github.prolobjectlink.prolog.PrologTerm;
27 import jTrolog.terms.Struct;
28
29 /**
30 *
31 * @author Jose Zalacain
32 * @since 1.0
33 */
34 final class JTrologEmpty extends JTrologList implements PrologList {
35
36 JTrologEmpty(PrologProvider provider) {
37 super(provider);
38 }
39
40 @Override
41 public PrologTerm[] getArguments() {
42 return new PrologTerm[0];
43 }
44
45 @Override
46 public int getArity() {
47 return ((Struct) value).arity;
48 }
49
50 @Override
51 public String getFunctor() {
52 return ((Struct) value).name;
53 }
54
55 }