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// file : odb/vector-traits.hxx
// copyright : Copyright (c) 2009-2019 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_VECTOR_TRAITS_HXX
#define ODB_VECTOR_TRAITS_HXX
#include <odb/pre.hxx>
#include <odb/vector.hxx>
#include <odb/vector-impl.hxx>
#include <odb/container-traits.hxx>
#include <odb/transaction.hxx>
namespace odb
{
template <typename V, typename A LIBODB_VECTOR_ARG_DECL>
class access::container_traits<vector<V, A LIBODB_VECTOR_ARG_USE> >
{
public:
static const container_kind kind = ck_ordered;
static const bool smart = true;
typedef vector<V, A> container_type;
typedef V value_type;
typedef typename container_type::size_type index_type;
typedef smart_ordered_functions<index_type, value_type> functions;
typedef ordered_functions<index_type, value_type> dumb_functions;
public:
static void
persist (const container_type& c, const functions& f)
{
for (index_type i (0), n (c.size ()); i < n; ++i)
f.insert (i, c[i]);
// Now that this container is persistent, start tracking changes.
//
c._start ();
}
static void
load (container_type& c, bool more, const functions& f)
{
// Stop tracking changes.
//
c._stop ();
// Load.
//
c.clear ();
while (more)
{
index_type dummy;
c.push_back (value_type ());
more = f.select (dummy, c.modify_back ());
}
// Start tracking changes.
//
c._start ();
}
static bool
changed (const container_type&);
static void
update (const container_type&, const functions&);
static void
erase (const container_type* c, const functions& f)
{
f.delete_ (0);
// Stop tracking changes.
//
if (c != 0)
c->_stop ();
}
// Version of load() for dumb functions. Used to support
// inverse members of the container type. The implementation
// is identical to the smart one except we don't turn off/on
// change tracking.
//
static void
load (container_type& c, bool more, const dumb_functions& f)
{
c.clear ();
while (more)
{
index_type dummy;
c.push_back (value_type ());
more = f.select (dummy, c.modify_back ());
}
}
};
}
#include <odb/vector-traits.txx>
#include <odb/post.hxx>
#endif // ODB_VECTOR_TRAITS_HXX
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