JLogEmpty.java

/*
 * #%L
 * prolobjectlink-jpi-jlog
 * %%
 * Copyright (C) 2019 Prolobjectlink Project
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */
package io.github.prolobjectlink.prolog.jlog;

import io.github.prolobjectlink.prolog.PrologList;
import io.github.prolobjectlink.prolog.PrologProvider;
import io.github.prolobjectlink.prolog.PrologTerm;
import ubc.cs.JLog.Terms.jNullList;

/**
 * 
 * @author Jose Zalacain
 * @since 1.0
 */
class JLogEmpty extends JLogList implements PrologList {

	protected JLogEmpty(PrologProvider provider) {
		super(provider);
	}

	@Override
	public PrologTerm[] getArguments() {
		return new PrologTerm[0];
	}

	@Override
	public int getArity() {
		return 0;
	}

	@Override
	public String getFunctor() {
		return ((jNullList) value).getName();
	}

}