public static async Task <EsentSession> CreateReadOnlySession(IEsentSession parentSession, IDisposeWaiters waiters)
{
var dispatcher = new SingleThreadDispatcher();
try
{
return(await dispatcher.QueueAction(() =>
{
var session = new Session(parentSession.Instance);
try
{
Api.JetAttachDatabase(session, parentSession.DatabaseFile, AttachDatabaseGrbit.None);
JET_DBID dbid;
Api.JetOpenDatabase(session, parentSession.DatabaseFile, string.Empty, out dbid, OpenDatabaseGrbit.None);
// ReSharper disable once AccessToDisposedClosure
return new EsentSession(parentSession.Instance, session, dbid, parentSession.DatabaseFile, waiters, dispatcher, true);
}
catch
{
session.Dispose();
throw;
}
}));
}
catch
{
dispatcher.Dispose();
throw;
}
}
private async Task CreateCachedInstance()
{
var dispatcher = new SingleThreadDispatcher();
try
{
// ReSharper disable once AccessToDisposedClosure
var mainSession = await dispatcher.QueueAction(() => CreateInstance(dispatcher));
var newSession = new MainSessionObj()
{
MainSession = mainSession,
Waiters = this
};
await newSession.CreateReservedSessions();
var old = Interlocked.Exchange(ref _cachedSession, newSession);
if (old != null)
{
await old.DisposeAsync();
}
}
catch
{
dispatcher.Dispose();
throw;
}
}