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// file : odb/sqlite/transaction-impl.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#include <odb/sqlite/database.hxx>
#include <odb/sqlite/connection.hxx>
#include <odb/sqlite/statement.hxx>
#include <odb/sqlite/statement-cache.hxx>
#include <odb/sqlite/transaction-impl.hxx>
namespace odb
{
namespace sqlite
{
transaction_impl::
transaction_impl (connection_ptr c, lock l)
: odb::transaction_impl (c->database (), *c), connection_ (c)
{
statement_cache& sc (connection_->statement_cache ());
switch (l)
{
case deferred:
{
sc.begin_statement ().execute ();
break;
}
case immediate:
{
sc.begin_immediate_statement ().execute ();
break;
}
case exclusive:
{
sc.begin_exclusive_statement ().execute ();
break;
}
}
}
transaction_impl::
~transaction_impl ()
{
}
void transaction_impl::
commit ()
{
// Reset active and finilize uncached statements. Active statements
// will prevent COMMIT from completing (write statements) or releasing
// the locks (read statements). Finilization of uncached statements is
// needed to release the connection.
//
connection_->clear ();
connection_->statement_cache ().commit_statement ().execute ();
// Release the connection.
//
connection_.reset ();
}
void transaction_impl::
rollback ()
{
// Reset active and finilize uncached statements. Active statements
// will prevent ROLLBACK from completing. Finilization of uncached
// statements is needed to release the connection.
//
connection_->clear ();
connection_->statement_cache ().rollback_statement ().execute ();
// Release the connection.
//
connection_.reset ();
}
}
}
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