Commons Math example source code file (NumberTransformer.java)

This example Commons Math source code file (NumberTransformer.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Math tags/keywords

mathexception, mathexception, numbertransformer, numbertransformer

The Commons Math NumberTransformer.java source code

/*
 * 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.commons.math.util;

import org.apache.commons.math.MathException;

/**
 * Subclasses implementing this interface can transform Objects to doubles.
 * @version $Revision: 811685 $ $Date: 2009-09-05 13:36:48 -0400 (Sat, 05 Sep 2009) $
 *
 * No longer extends Serializable since 2.0
 *
 */
public interface NumberTransformer {

    /**
     * Implementing this interface provides a facility to transform
     * from Object to Double.
     *
     * @param o the Object to be transformed.
     * @return the double value of the Object.
     * @throws MathException if the Object can not be transformed into a Double.
     */
    double transform(Object o) throws MathException;
}