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    • org.redisson.spring.data.connection.PointDecoder Maven / Gradle / Ivy

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    /**
 * Copyright (c) 2013-2022 Nikita Koksharov
 *
 * 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.redisson.spring.data.connection;

import java.util.List;

import org.redisson.client.codec.Codec;
import org.redisson.client.codec.DoubleCodec;
import org.redisson.client.handler.State;
import org.redisson.client.protocol.Decoder;
import org.redisson.client.protocol.decoder.MultiDecoder;
import org.springframework.data.geo.Point;

/**
 * 
 * @author Nikita Koksharov
 *
 */
public class PointDecoder implements MultiDecoder {

    @Override
    public Decoder getDecoder(Codec codec, int paramNum, State state) {
        return DoubleCodec.INSTANCE.getValueDecoder();
    }
    
    @Override
    public Point decode(List parts, State state) {
        if (parts.isEmpty()) {
            return null;
        }

        Double longitude = (Double)parts.get(0);
        Double latitude = (Double)parts.get(1);
        return new Point(longitude, latitude);
    }

}
    
    
    
    

    




    
    
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