private IPhysicalConnection _OpenCore(IPhysicalConnectionFactory fact, bool keepAlive, bool incref, bool open)
{
if (fact == null)
{
return(null);
}
string key = fact.GetConnectionKey();
IPhysicalConnection res;
lock (m_connCache)
{
if (!m_connCache.ContainsKey(key))
{
var item = new CacheItem();
item.Connection = fact.CreateConnection();
if (Cache != null)
{
// use shared cache
item.Connection.Cache = Cache.Connection(key);
}
item.Connection.Owner = this;
m_connCache[key] = item;
}
if (incref)
{
m_connCache[key].RefCount++;
}
if (keepAlive)
{
m_connCache[key].KeepAlive = true;
}
res = m_connCache[key].Connection;
}
if (open)
{
Async.SafeOpen(res);
}
return(res);
}
// constructor 3'
public DbDefSource(IPhysicalConnectionFactory fact, ReadOnly flag)
{
m_conn = (DbDefConnection)fact.CreateConnection();
m_openedReadOnly = true;
}