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/*******************************************************************************
 * Copyright (c) 2015-2018 Skymind, Inc.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://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.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

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());
    }
}