package edu.emory.cci.aiw.cvrg.eureka.common.comm;

/*
 * #%L
 * Eureka Common
 * %%
 * Copyright (C) 2012 - 2014 Emory University
 * %%
 * This program is dual licensed under the Apache 2 and GPLv3 licenses.
 * 
 * Apache License, Version 2.0:
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * GNU General Public License version 3:
 * 
 * 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%
 */

import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
import org.codehaus.jackson.annotate.JsonProperty;
import org.protempa.proposition.Proposition;

/**
 *
 * @author Andrew Post
 */
public class UnaryOperator extends Node {

	public static enum Op {
		NOT
	};
	
	private Op op;
	
	@JsonProperty("the_node")
	private Node node;

	public Op getOp() {
		return op;
	}

	public void setOp(Op op) {
		this.op = op;
	}

	public Node getNode() {
		return node;
	}

	public void setNode(Node node) {
		this.node = node;
	}
	
	@Override
	boolean evaluate(Map<String, List<Proposition>> propMap) {
		switch (this.op) {
			case NOT:
				return !this.node.evaluate(propMap);
			default:
				throw new AssertionError("Invalid op " + this.op);
		}
	}
	
	@Override
	public void accept(NodeVisitor nodeVisitor) {
		nodeVisitor.visit(this);
	}
	
	@Override
	public String toString() {
		return ReflectionToStringBuilder.reflectionToString(this);
	}
	
}
