/**
 * Copyright (c) 2017-2018, the Alpha Team.
 * All rights reserved.
 * 
 * Additional changes made by Siemens.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1) Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 
 * 2) Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package at.ac.tuwien.kr.alpha.api.common.fixedinterpretations;

import java.util.List;
import java.util.Set;

import at.ac.tuwien.kr.alpha.api.programs.terms.ConstantTerm;
import at.ac.tuwien.kr.alpha.api.programs.terms.Term;

import static java.util.Collections.*;

@FunctionalInterface
public interface PredicateInterpretation {
	Set<List<ConstantTerm<?>>> TRUE = singleton(emptyList());
	Set<List<ConstantTerm<?>>> FALSE = emptySet();

	String EVALUATE_RETURN_TYPE_NAME_PREFIX = Set.class.getName() + "<" + List.class.getName() + "<" + ConstantTerm.class.getName();

	Set<List<ConstantTerm<?>>> evaluate(List<Term> terms);
}
