icinga2/lib/ido/dbtype.cpp

123 lines
3.5 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* 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; either version 2 *
* of the License, or (at your option) any later version. *
* *
* 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 "ido/dbtype.h"
#include "ido/dbconnection.h"
#include "base/objectlock.h"
#include "base/utility.h"
#include <boost/thread/once.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/foreach.hpp>
using namespace icinga;
boost::mutex DbType::m_StaticMutex;
DbType::DbType(const String& name, const String& table, long tid, const DbType::ObjectFactory& factory)
: m_Name(name), m_Table(table), m_TypeID(tid), m_ObjectFactory(factory)
{
static boost::once_flag initializeOnce = BOOST_ONCE_INIT;
boost::call_once(initializeOnce, &DbType::StaticInitialize);
}
void DbType::StaticInitialize(void)
{
DbConnection::StaticInitialize();
DbObject::StaticInitialize();
}
String DbType::GetName(void) const
{
return m_Name;
}
String DbType::GetTable(void) const
{
return m_Table;
}
long DbType::GetTypeID(void) const
{
return m_TypeID;
}
void DbType::RegisterType(const DbType::Ptr& type)
{
boost::mutex::scoped_lock lock(m_StaticMutex);
GetTypes()[type->GetName()] = type;
}
DbType::Ptr DbType::GetByName(const String& name)
{
boost::mutex::scoped_lock lock(m_StaticMutex);
DbType::TypeMap::const_iterator it = GetTypes().find(name);
if (it == GetTypes().end())
return DbType::Ptr();
return it->second;
}
DbType::Ptr DbType::GetByID(long tid)
{
String name;
DbType::Ptr type;
BOOST_FOREACH(boost::tie(name, type), GetTypes()) {
if (type->GetTypeID() == tid)
return type;
}
return DbType::Ptr();
}
DbObject::Ptr DbType::GetOrCreateObjectByName(const String& name1, const String& name2)
{
ASSERT(!OwnsLock());
ObjectLock olock(this);
DbType::ObjectMap::const_iterator it = GetObjects().find(std::make_pair(name1, name2));
if (it != GetObjects().end())
return it->second;
DbObject::Ptr dbobj = m_ObjectFactory(name1, name2);
GetObjects()[std::make_pair(name1, name2)] = dbobj;
return dbobj;
}
/**
* Caller must hold m_StaticMutex.
*/
DbType::TypeMap& DbType::GetTypes(void)
{
static DbType::TypeMap tm;
return tm;
}
/**
* Caller must hold object mutex.
*/
DbType::ObjectMap& DbType::GetObjects(void)
{
static DbType::ObjectMap om;
return om;
}