void LockConflict(SessionBase sharedReadSession)
{
string host = null;
Random r = new Random(5);
SessionPool sessionPool = new SessionPool(3, () => new ServerClientSession(systemDir, host, 2000, false));
try
{
int iCounter = 0;
int sessionId1 = -1;
SessionBase session1 = null;
for (int i = 0; i < 50; i++)
{
try
{
session1 = sessionPool.GetSession(out sessionId1);
session1.BeginUpdate();
Dokument Doc_A = new Dokument();
Doc_A.Name = "Test A";
session1.Persist(Doc_A);
Console.WriteLine(Doc_A.ToString());
int sessionId2 = -1;
SessionBase session2 = null;
try
{
session2 = sessionPool.GetSession(out sessionId2);
session2.BeginUpdate();
Dokument Doc_B = new Dokument();
Doc_B.Name = "Test_B";
session2.Persist(Doc_B);
Console.WriteLine(Doc_B.ToString());
session2.Commit();
}
finally
{
sessionPool.FreeSession(sessionId2, session2);
}
session1.Commit();
sharedReadSession.ForceDatabaseCacheValidation();
session1.BeginRead();
ulong ct = session1.AllObjects <Dokument>(false).Count;
Console.WriteLine("Number of Dokument found by normal session: " + ct);
session1.Commit();
ct = sharedReadSession.AllObjects <Dokument>(false).Count;
Console.WriteLine("Number of Dokument found by shared read session: " + ct);
}
finally
{
sessionPool.FreeSession(sessionId1, session1);
}
iCounter++;
Console.WriteLine(" -> " + iCounter.ToString());
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
}
public void sessionPoolTest()
{
const int numberOfSessions = 5;
using (SessionPool pool = new SessionPool(numberOfSessions, () => new SessionNoServer(systemDir)))
{
{
int sessionId = -1;
SessionBase session = null;
try
{
session = pool.GetSession(out sessionId);
using (SessionBase.Transaction transaction = session.BeginUpdate())
{
for (int i = 0; i < 1000; i++)
{
Man man = new Man();
session.Persist(man);
}
session.Commit();
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
throw e;
}
finally
{
pool.FreeSession(sessionId, session);
}
}
Parallel.ForEach(Enumerable.Range(0, numberOfSessions * 5),
x =>
{
int sessionId = -1;
SessionBase session = null;
try
{
session = pool.GetSession(out sessionId);
if (session.InTransaction == false)
{
session.BeginRead();
}
var allMen = session.AllObjects <Man>();
ulong allMenCt = allMen.Count();
foreach (Man man in allMen)
{
double lat = man.Latitude;
}
Console.WriteLine("Man Count is: " + allMenCt + " Session Id is: " + sessionId + " Current task id is: " + (Task.CurrentId.HasValue ? Task.CurrentId.Value.ToString() : "unknown"));
}
catch (Exception e)
{
session?.Abort();
Console.WriteLine(e.Message);
throw e;
}
finally
{
pool.FreeSession(sessionId, session);
}
});
}
}
void LockConflict(SessionBase sharedReadSession)
{
string host = null;
Random r = new Random(5);
SessionPool sessionPool = new SessionPool(3, () => new ServerClientSession(systemDir, host, 2000, false));
try
{
int iCounter = 0;
int sessionId1 = -1;
SessionBase session1 = null;
for (int i = 0; i < 50; i++)
{
try
{
session1 = sessionPool.GetSession(out sessionId1);
session1.BeginUpdate();
Dokument Doc_A = new Dokument();
Doc_A.Name = "Test A";
session1.Persist(Doc_A);
Console.WriteLine(Doc_A.ToString());
int sessionId2 = -1;
SessionBase session2 = null;
try
{
session2 = sessionPool.GetSession(out sessionId2);
session2.BeginUpdate();
Dokument Doc_B = new Dokument();
Doc_B.Name = "Test_B";
session2.Persist(Doc_B);
Console.WriteLine(Doc_B.ToString());
session2.Commit();
}
finally
{
sessionPool.FreeSession(sessionId2, session2);
}
session1.Commit();
sharedReadSession.ForceDatabaseCacheValidation();
session1.BeginRead();
ulong ct = session1.AllObjects<Dokument>(false).Count;
Console.WriteLine("Number of Dokument found by normal session: " + ct);
session1.Commit();
ct = sharedReadSession.AllObjects<Dokument>(false).Count;
Console.WriteLine("Number of Dokument found by shared read session: " + ct);
}
finally
{
sessionPool.FreeSession(sessionId1, session1);
}
iCounter++;
Console.WriteLine(" -> " + iCounter.ToString());
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
}
