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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <drizzled/server_includes.h>
#include <drizzled/scheduling.h>
#include <drizzled/gettext.h>
#include "drizzled/plugin/registry.h"
#include "drizzled/registry.h"
using namespace std;
using namespace drizzled;
plugin::SchedulerFactory *scheduler_factory= NULL;
Registry<plugin::SchedulerFactory *> all_schedulers;
bool add_scheduler_factory(plugin::SchedulerFactory *factory)
{
if (all_schedulers.count(factory->getName()) != 0)
{
errmsg_printf(ERRMSG_LVL_ERROR,
_("Attempted to register a scheduler %s, but a scheduler "
"has already been registered with that name.\n"),
factory->getName().c_str());
return true;
}
all_schedulers.add(factory);
return false;
}
bool remove_scheduler_factory(plugin::SchedulerFactory *factory)
{
scheduler_factory= NULL;
all_schedulers.remove(factory);
return false;
}
bool set_scheduler_factory(const string& name)
{
plugin::SchedulerFactory *factory= all_schedulers.find(name);
if (factory == NULL)
{
errmsg_printf(ERRMSG_LVL_WARN,
_("Attempted to configure %s as the scheduler, which did "
"not exist.\n"), name.c_str());
return true;
}
scheduler_factory= factory;
return false;
}
plugin::Scheduler *get_thread_scheduler()
{
assert(scheduler_factory != NULL);
plugin::Scheduler *sched= (*scheduler_factory)();
if (sched == NULL)
{
errmsg_printf(ERRMSG_LVL_ERROR, _("Scheduler initialization failed.\n"));
exit(1);
}
return sched;
}
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