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Declarative Machine Learning

There is a newer version: 1.2.0

/*
 * 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;

/**
 * Class to represent a scalar input/output.
 * 
 * 
 * 
 */
public class Scalar extends FunctionParameter 
{
	

	private static final long serialVersionUID = 55239661026793046L;

	public enum ScalarValueType {
		Integer, Double, Boolean, Text
	};

	protected String _value;
	protected ScalarValueType _sType;

	/**
	 * Constructor to setup a scalar object.
	 * 
	 * @param t
	 * @param val
	 */
	public Scalar(ScalarValueType t, String val) {
		super(FunctionParameterType.Scalar);
		_sType = t;
		_value = val;
	}

	/**
	 * Method to get type of scalar.
	 * 
	 * @return
	 */
	public ScalarValueType getScalarType() {
		return _sType;
	}

	/**
	 * Method to get value for scalar.
	 * 
	 * @return
	 */
	public String getValue() {
		return _value;
	}

}