/// <summary>
/// Returns a session to the cache.To be sure we have no transactiona ctive we abort in case
/// the caller of this method did not commit or abort
/// </summary>
void ReturnSessionToCache(ServerClientSession pSession)
{
pSession.Abort();
lock (sessions)
{
sessions.Add(pSession);
}
}
/// <summary>
/// Returns a session to the cache.To be sure we have no transactiona ctive we abort in case
/// the caller of this method did not commit or abort
/// </summary>
void ReturnSessionToCache(ServerClientSession pSession)
{
pSession.Abort();
lock (sessions)
{
sessions.Add(pSession);
}
}
public void AppendFile()
{
Placement place = new Placement(798, 1, 1, 1, UInt16.MaxValue);
using (ServerClientSession session = new ServerClientSession(systemDir))
{
session.BeginUpdate();
ObjWithArray a = new ObjWithArray(10);
a.Persist(place, session);
session.Commit(); // commit Database 798
}
place = new Placement(798, 2, 1, 100, UInt16.MaxValue);
for (int i = 0; i < 25; i++)
{
using (ServerClientSession session = new ServerClientSession(systemDir))
{
//session.SetTraceAllDbActivity();
session.BeginUpdate();
for (int j = 0; j < 1000; j++)
{
ObjWithArray a = new ObjWithArray(j * 10);
a.Persist(place, session);
}
session.FlushUpdates();
session.FlushUpdatesServers(); // check if this will cause file to be appended
Database db = session.NewDatabase(3567);
using (ServerClientSession session2 = new ServerClientSession(systemDir))
{
session2.BeginUpdate();
ObjWithArray a = new ObjWithArray(10);
a.Persist(place, session2);
session2.Commit();
}
session.Abort(); // appended page space now unused? Need tidy?
}
}
}
public void AppendFile()
{
Placement place = new Placement(798, 1, 1, 1, UInt16.MaxValue);
using (ServerClientSession session = new ServerClientSession(systemDir))
{
session.BeginUpdate();
ObjWithArray a = new ObjWithArray(10);
a.Persist(place, session);
session.Commit(); // commit Database 798
}
place = new Placement(798, 2, 1, 100, UInt16.MaxValue);
for (int i = 0; i < 25; i++)
{
using (ServerClientSession session = new ServerClientSession(systemDir))
{
//session.SetTraceAllDbActivity();
session.BeginUpdate();
for (int j = 0; j < 1000; j++)
{
ObjWithArray a = new ObjWithArray(j * 10);
a.Persist(place, session);
}
session.FlushUpdates();
session.FlushUpdatesServers(); // check if this will cause file to be appended
Database db = session.NewDatabase(3567);
using (ServerClientSession session2 = new ServerClientSession(systemDir))
{
session2.BeginUpdate();
ObjWithArray a = new ObjWithArray(10);
a.Persist(place, session2);
session2.Commit();
}
session.Abort(); // appended page space now unused? Need tidy?
}
}
}
public void CachedSessionTest()
{
ServerClientSession lSession = GetCachedSession();
//lets simulate that we did some prior work, return the session and get it again
ReturnSessionToCache(lSession);
lSession = GetCachedSession();
TestClass lTestClass = new TestClass();
lTestClass.SomeIntVar = 123;
lTestClass.SomeStringVar = "test";
UInt64 id = lTestClass.Persist(lSession, lTestClass);
var c = new Class_A();
UInt64 id2 = lSession.Persist(c);
Class_B class_b = new Class_B();
class_b.IntField = 11;
class_b.StringField = "sss";
Class_A class_a = new Class_A();
class_a.string_field = "xxx";
class_a.b_field = class_b;
UInt64 id3 = lSession.Persist(class_a);
lSession.Commit();
//return to cache, get it again and query the object
//as this test is to verify it does not hang we do it in separate thread and kill after timeout
ReturnSessionToCache(lSession);
lSession = GetCachedSession();
lSession.Abort();
lSession.BeginUpdate();
Class_A cA = lSession.Open <Class_A>(id2);
cA = lSession.Open <Class_A>(id3);
lTestClass = lSession.Open <TestClass>(id);
Assert.NotNull(lTestClass.GeoCord);
Assert.NotNull(lTestClass.StoredStructInObjectField);
lTestClass.SomeIntVar = 1234;
lTestClass.SomeStringVar = "test2";
lTestClass.Persist(lSession, lTestClass);
lSession.Commit();
//return to cache, get it again and query the object
//as this test is to verify it does not hang we do it in separate thread and kill after timeout
ReturnSessionToCache(lSession);
lSession = GetCachedSession();
counter = (int)lSession.AllObjects <TestClass>(true, false).Count();
ReturnSessionToCache(lSession);
Thread lThread = new Thread(new ThreadStart(() =>
{
lSession = GetCachedSession();
counter = (int)lSession.AllObjects <TestClass>(true, false).Count();
ReturnSessionToCache(lSession);
}));
lThread.Start();
lEvent.WaitOne(5000);
if (lThread.IsAlive)
{
lThread.Abort();
}
Assert.AreNotEqual(0, counter, "Invalid number of objects retrieved");
}