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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  }