/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

package org.apache.sysml.udf;

import java.io.Serializable;

/**
 * abstract class to represent all input and output objects for package
 * functions.
 * 
 * 
 * 
 */

public abstract class FunctionParameter implements Serializable
{
	

	private static final long serialVersionUID = 1189133371204708466L;
	
	public enum FunctionParameterType{
		Matrix, 
		Scalar, 
		Object,
	}
	
	private FunctionParameterType _type;

	/**
	 * Constructor to set type
	 * 
	 * @param type function parameter type
	 */
	public FunctionParameter(FunctionParameterType type) {
		_type = type;
	}

	/**
	 * Method to get type
	 * 
	 * @return function parameter type
	 */
	public FunctionParameterType getType() {
		return _type;
	}

}