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A driver for DataStax Enterprise (DSE) and Apache Cassandra 1.2+ clusters that works exclusively with the Cassandra Query Language version 3 (CQL3) and Cassandra's binary protocol, supporting DSE-specific features such as geospatial types, DSE Graph and DSE authentication.

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/*
 * Copyright DataStax, Inc.
 *
 * This software can be used solely with DataStax Enterprise. Please consult the license at
 * http://www.datastax.com/terms/datastax-dse-driver-license-terms
 */
package com.datastax.driver.dse.geometry;

import java.io.Serializable;

/**
 * A thin wrapper around {@link Distance}, that gets substituted during the serialization /
 * deserialization process. This allows {@link Distance} to be immutable and reference centers' OGC
 * counterpart.
 */
class DistanceSerializationProxy implements Serializable {

  private static final long serialVersionUID = 1L;

  private final Point center;

  private final double radius;

  DistanceSerializationProxy(Distance distance) {
    this.center = distance.getCenter();
    this.radius = distance.getRadius();
  }

  private Object readResolve() {
    return new Distance(center, radius);
  }
}