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/*-
 *  * Copyright 2016 Skymind, Inc.
 *  *
 *  *    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.
 */

package org.datavec.api.io.converters;

import org.datavec.api.io.WritableConverter;
import org.datavec.api.writable.*;

/**
 * Convert a writable to a
 * double
 * @author Adam Gibson
 */
public class DoubleWritableConverter implements WritableConverter {
    @Override
    public Writable convert(Writable writable) throws WritableConverterException {
        if (writable instanceof Text || writable instanceof FloatWritable || writable instanceof IntWritable
                        || writable instanceof DoubleWritable) {
            return new DoubleWritable(writable.toDouble());
        }

        throw new WritableConverterException("Unable to convert type " + writable.getClass());
    }
}