DoubleTypeSerializer.java

package me.prettyprint.cassandra.serializers;

import java.nio.ByteBuffer;
/**
 * Serialization class to use with Cassandras DoubleType.
 * 
 * @author Felix Obenauer 
 */
public class DoubleTypeSerializer extends AbstractSerializer<Double> {
	
	private static final DoubleTypeSerializer instance = new DoubleTypeSerializer();

	public static DoubleTypeSerializer get() {
		return instance;
	
	}
	@Override
	public ByteBuffer toByteBuffer(Double obj) {
		if (obj == null) {
		      return null;
		    }
		byte[] bytes = new byte[8];
	    ByteBuffer result = ByteBuffer.wrap(bytes).putDouble(obj);
	    result.rewind();
	    return result;
	}

	@Override
	public Double fromByteBuffer(ByteBuffer byteBuffer) {
		double result = byteBuffer.getDouble();
		return result;
	}

}