CacheableKeys.hpp

#ifndef _GEMFIRE_CACHEABLEKEYS_HPP_
#define _GEMFIRE_CACHEABLEKEYS_HPP_

/*=========================================================================
 * Copyright (c) 2002-2014 Pivotal Software, Inc. All Rights Reserved.
 * This product is protected by U.S. and international copyright
 * and intellectual property laws. Pivotal products are covered by
 * more patents listed at http://www.pivotal.io/patents.
 *=========================================================================
 */

#include "gfcpp_globals.hpp"


namespace gemfire
{
  namespace serializer
  {

    template <typename TObj>
    inline bool equals( const TObj& x, const TObj& y )
    {
      return ( x == y );
    }



    inline uint32_t hashcode( const bool value )
    {
      if (value) return 1231;
      else return 1237;
    }

    inline uint32_t hashcode( const uint8_t value )
    {
      return (uint32_t)value;
    }

    inline uint32_t hashcode( const int8_t value )
    {
      return (uint32_t)value;
    }

    inline uint32_t hashcode( const uint16_t value )
    {
      return (uint32_t)value;
    }

    inline uint32_t hashcode( const int16_t value )
    {
      return (uint32_t)value;
    }

    inline uint32_t hashcode( const uint32_t value )
    {
      return value;
    }

    inline uint32_t hashcode( const int32_t value )
    {
      return (uint32_t)value;
    }

    inline uint32_t hashcode( const uint64_t value )
    {
      uint32_t hash = (uint32_t)value;
      hash = hash ^ (uint32_t)(value >> 32);
      return hash;
    }

    inline uint32_t hashcode( const int64_t value )
    {
      uint32_t hash = (uint32_t)value;
      hash = hash ^ (uint32_t)(value >> 32);
      return hash;
    }

    inline uint32_t hashcode( const float value )
    {
      union float_uint32_t
      {
          float f;
          uint32_t u;
      } v;
      v.f = value;
      return v.u;
    }

    inline uint32_t hashcode( const double value )
    {
      union double_uint64_t
      {
          double d;
          uint64_t u;
      } v;
      v.d = value;
      return hashcode(v.u);
    }

  }
}


#endif // _GEMFIRE_CACHEABLEKEYS_HPP_