// file      : odb/database.ixx
// author    : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file

#include <cstring> // std::string

namespace odb
{
  inline database::
  database ()
  {
  }

  template <typename T>
  inline typename object_traits<T>::id_type database::
  persist (T* p)
  {
    typedef typename object_traits<T>::pointer_type object_pointer;

    // The passed pointer should be the same or implicit-convertible
    // to the object pointer. This way we make sure the object pointer
    // does not assume ownership of the passed object.
    //
    const object_pointer& pobj (p);

    return persist_<T> (pobj);
  }

  template <typename T, template <typename> class P>
  inline typename object_traits<T>::id_type database::
  persist (const P<T>& p)
  {
    typedef typename object_traits<T>::pointer_type object_pointer;

    // The passed pointer should be the same or implicit-convertible
    // to the object pointer. This way we make sure the object pointer
    // does not assume ownership of the passed object.
    //
    const object_pointer& pobj (p);

    return persist_<T> (pobj);
  }

  template <typename T, template <typename> class P>
  inline typename object_traits<T>::id_type database::
  persist (P<T>& p)
  {
    const P<T>& cr (p);
    return persist<T, P> (cr);
  }

  template <typename T>
  inline typename object_traits<T>::id_type database::
  persist (const typename object_traits<T>::pointer_type& pobj)
  {
    return persist_<T> (pobj);
  }

  template <typename T>
  inline void database::
  update (T* p)
  {
    typedef typename object_traits<T>::pointer_type object_pointer;

    // The passed pointer should be the same or implicit-convertible
    // to the object pointer. This way we make sure the object pointer
    // does not assume ownership of the passed object.
    //
    const object_pointer& pobj (p);

    update_<T> (pobj);
  }

  template <typename T, template <typename> class P>
  inline void database::
  update (const P<T>& p)
  {
    typedef typename object_traits<T>::pointer_type object_pointer;

    // The passed pointer should be the same or implicit-convertible
    // to the object pointer. This way we make sure the object pointer
    // does not assume ownership of the passed object.
    //
    const object_pointer& pobj (p);

    update_<T> (pobj);
  }

  template <typename T, template <typename> class P>
  inline void database::
  update (P<T>& p)
  {
    const P<T>& cr (p);
    update<T, P> (cr);
  }

  template <typename T>
  inline void database::
  update (const typename object_traits<T>::pointer_type& pobj)
  {
    update_<T> (pobj);
  }

  template <typename T>
  inline void database::
  erase (T& obj)
  {
    // T can be const T while object_type will always be T.
    //
    typedef typename odb::object_traits<T>::object_type object_type;
    typedef odb::object_traits<object_type> object_traits;

    erase<T> (object_traits::id (obj));
  }

  template <typename T>
  inline void database::
  erase (T* p)
  {
    typedef typename object_traits<T>::pointer_type object_pointer;

    // The passed pointer should be the same or implicit-convertible
    // to the object pointer. This way we make sure the object pointer
    // does not assume ownership of the passed object.
    //
    const object_pointer& pobj (p);

    erase_<T> (pobj);
  }

  template <typename T, template <typename> class P>
  inline void database::
  erase (const P<T>& p)
  {
    typedef typename object_traits<T>::pointer_type object_pointer;

    // The passed pointer should be the same or implicit-convertible
    // to the object pointer. This way we make sure the object pointer
    // does not assume ownership of the passed object.
    //
    const object_pointer& pobj (p);

    erase_<T> (pobj);
  }

  template <typename T, template <typename> class P>
  inline void database::
  erase (P<T>& p)
  {
    const P<T>& cr (p);
    erase<T, P> (cr);
  }

  template <typename T>
  inline void database::
  erase (const typename object_traits<T>::pointer_type& pobj)
  {
    erase_<T> (pobj);
  }

  template <typename T>
  inline void database::
  erase_ (const typename object_traits<T>::pointer_type& pobj)
  {
    // T can be const T while object_type will always be T.
    //
    typedef typename odb::object_traits<T>::object_type object_type;
    typedef odb::object_traits<object_type> object_traits;

    typedef typename odb::object_traits<T>::pointer_type pointer_type;
    typedef odb::pointer_traits<pointer_type> pointer_traits;

    erase<T> (object_traits::id (pointer_traits::get_ref (pobj)));
  }

  template <typename T>
  inline result<T> database::
  query (bool cache)
  {
    // T can be const T while object_type will always be T.
    //
    typedef typename odb::object_traits<T>::object_type object_type;

    return query<T> (odb::query<object_type> (), cache);
  }

  template <typename T>
  inline result<T> database::
  query (const char* q, bool cache)
  {
    // T can be const T while object_type will always be T.
    //
    typedef typename odb::object_traits<T>::object_type object_type;

    return query<T> (odb::query<object_type> (q), cache);
  }

  template <typename T>
  inline result<T> database::
  query (const std::string& q, bool cache)
  {
    // T can be const T while object_type will always be T.
    //
    typedef typename odb::object_traits<T>::object_type object_type;

    return query<T> (odb::query<object_type> (q), cache);
  }

  inline unsigned long long database::
  execute (const char* statement)
  {
    return execute (statement, std::strlen (statement));
  }

  inline unsigned long long database::
  execute (const std::string& statement)
  {
    return execute (statement.c_str (), statement.size ());
  }
}