コード例 #1
0
 public void TwoUpdaters3()
 {
     Assert.Throws <OptimisticLockingFailed>(() =>
     {
         UInt64 id;
         try
         {
             using (SessionNoServer session = new SessionNoServer(systemDir))
             {
                 session.BeginUpdate();
                 Man man = new Man();
                 man.Persist(session, man);
                 id = man.Id;
                 session.Commit();
                 session.BeginUpdate();
                 man.Age = ++man.Age;
                 session.FlushUpdates(); // fStream set for updated databases will cause other write sessions to fail updating these databases
                 using (SessionNoServer session2 = new SessionNoServer(systemDir))
                 {
                     session2.BeginUpdate();
                     Man man2 = (Man)session2.Open(id);
                     Assert.Less(man2.Age, man.Age);
                     man2.Age = ++man.Age;
                     session2.Commit(); // OptimisticLockingFailed here
                 }
                 session.Commit();
                 session.Verify();
             }
         }
         finally
         {
             System.GC.Collect();
         }
     });
 }
コード例 #2
0
 public void TwoUpdaters1()
 {
     Assert.Throws <OptimisticLockingFailed>(() =>
     {
         UInt64 id;
         using (SessionNoServer session = new SessionNoServer(systemDir))
         {
             session.BeginUpdate();
             Man man = new Man();
             man.Persist(session, man);
             id = man.Id;
             session.Commit();
             session.BeginUpdate();
             man.Age     = ++man.Age;
             Database db = session.NewDatabase(3567);
             using (SessionNoServer session2 = new SessionNoServer(systemDir))
             {
                 session2.BeginUpdate();
                 Man man2 = (Man)session2.Open(id);
                 Assert.Less(man2.Age, man.Age);
                 man2.Age = ++man.Age;
                 session2.Commit();
             }
             session.DeleteDatabase(db);
             session.Commit(); // OptimisticLockingFailed here
             session.Verify();
         }
     });
 }
コード例 #3
0
 public void Verify(string dir)
 {
     using (SessionNoServer session = new SessionNoServer(dir))
     {
         session.BeginRead();
         session.Verify();
         session.Commit();
     }
 }
コード例 #4
0
 public void Verify(string dir)
 {
   using (SessionNoServer session = new SessionNoServer(dir))
   {
     session.BeginRead();
     session.Verify();
     session.Commit();
   }
 }
コード例 #5
0
        public void MultipleThreadsAdding()
        {
            bool doClearAll = SessionBase.ClearAllCachedObjectsWhenDetectingUpdatedDatabase;

            SessionBase.ClearAllCachedObjectsWhenDetectingUpdatedDatabase = false;
            try
            {
                using (var session = new SessionNoServer(systemDir))
                {
                    session.BeginUpdate();
                    session.RegisterClass(typeof(AutoPlacement)); // build in type but not yet registered as a one
                    session.RegisterClass(typeof(ObservableList <int>));
                    session.RegisterClass(typeof(Dokument));
                    UInt32   dbNum = session.DatabaseNumberOf(typeof(Dokument));
                    Database db    = session.OpenDatabase(dbNum, false, false);
                    if (db == null)
                    {
                        db = session.NewDatabase(dbNum, 0, typeof(Dokument).ToGenericTypeString());
                    }
                    Dokument doc = new Dokument();
                    session.Persist(doc);
                    session.Commit();
                }
                using (var sharedReadSession = new ServerClientSessionShared(systemDir))
                {
                    sharedReadSession.BeginRead();
                    Parallel.ForEach(Enumerable.Range(1, 3), (num) => LockConflict(sharedReadSession));
                }
                using (var session = new SessionNoServer(systemDir))
                {
                    session.Verify();
                }
            }
            finally
            {
                SessionBase.ClearAllCachedObjectsWhenDetectingUpdatedDatabase = doClearAll;
            }
        }
コード例 #6
0
        public void CreateDataAndIterateDb(int numObj)
        {
            using (SessionNoServer session = new SessionNoServer(systemDir))
            {
                session.Verify();
                session.Commit();
                session.BeginUpdate();
                UInt32   dbNum = session.DatabaseNumberOf(typeof(NotSharingPage));
                Database db    = session.OpenDatabase(dbNum, true, false);
                if (db != null)
                {
                    session.DeleteDatabase(db);
                }
                dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeA));
                db    = session.OpenDatabase(dbNum, true, false);
                if (db != null)
                {
                    session.DeleteDatabase(db);
                }
                dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeB));
                db    = session.OpenDatabase(dbNum, true, false);
                if (db != null)
                {
                    session.DeleteDatabase(db);
                }
                session.Commit();
            }

            using (SessionNoServer session = new SessionNoServer(systemDir))
            {
                session.Verify();
                session.Commit();
                session.BeginUpdate();
                UInt32    dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeB));
                Placement place = new Placement(dbNum, 100);
                for (int i = 0; i < numObj; i++)
                {
                    NotSharingPage ns = new NotSharingPage();
                    session.Persist(ns);
                    SharingPageTypeA sA = new SharingPageTypeA();
                    session.Persist(sA);
                    SharingPageTypeB sB = new SharingPageTypeB();
                    if (i % 5 == 0)
                    {
                        sB.Persist(session, place);
                    }
                    else if (i % 1001 == 0)
                    {
                        sB.Persist(session, sA);
                    }
                    else if (i % 3001 == 0)
                    {
                        sB.Persist(session, ns);
                    }
                    else
                    {
                        session.Persist(sB);
                    }
                }
                session.Commit();
            }

            using (SessionNoServer session = new SessionNoServer(systemDir))
            {
                session.Verify();
                UInt32   dbNum = session.DatabaseNumberOf(typeof(NotSharingPage));
                Database db    = session.OpenDatabase(dbNum);
                AllObjects <NotSharingPage> all = db.AllObjects <NotSharingPage>();
                int ct = all.Count();
                dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeA));
                OfType ofType = db.OfType(typeof(NotSharingPage));
                int    ct2    = (int)ofType.Count;
                Assert.AreEqual(ct, ct2);
                Database dbA = session.OpenDatabase(dbNum);
                dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeB));
                Database dbB = session.OpenDatabase(dbNum);
                AllObjects <SharingPageTypeA> allA = dbA.AllObjects <SharingPageTypeA>();
                AllObjects <SharingPageTypeB> allB = dbB.AllObjects <SharingPageTypeB>();
                OfType           allA2             = dbA.OfType(typeof(SharingPageTypeA));
                int              start             = numObj / 2;
                NotSharingPage   ns  = all.ElementAt(numObj);
                SharingPageTypeA sA  = allA.ElementAt(numObj);
                SharingPageTypeA sA2 = (SharingPageTypeA)allA2.ElementAt(numObj);
                Assert.AreEqual(sA, sA2);
                sA  = allA.ElementAt(10);
                sA2 = (SharingPageTypeA)allA2.ElementAt(10);
                Assert.AreEqual(sA, sA2);
                //MethodInfo method = typeof(Database).GetMethod("AllObjects");
                //MethodInfo generic = method.MakeGenericMethod(sA.GetType());
                //dynamic itr = generic.Invoke(dbA, new object[]{ true });
                //SharingPageTypeA sAb = itr.ElementAt(numObj);
                //Assert.AreEqual(sA, sAb);
                //SharingPageTypeA sAc = itr.ElementAt(numObj);
                SharingPageTypeB        sB = allB.ElementAt(numObj);
                List <NotSharingPage>   notSharingPageList = all.Skip(100).ToList();
                List <SharingPageTypeA> sharingPageTypeA   = allA.Take(5).Skip(100).ToList();
                for (int i = start; i < numObj; i++)
                {
                    sA = allA.ElementAt(i);
                }
                for (int i = start; i < numObj; i += 5)
                {
                    ns = all.ElementAt(i);
                }
                for (int i = start; i < numObj; i += 5)
                {
                    sB = allB.ElementAt(i);
                }
                for (int i = 0; i < numObj; i += 45000)
                {
                    ns = all.ElementAt(i);
                }
                int allB_count = allB.Count();
                for (int i = 0; i < allB_count - 1; i++)
                {
                    Assert.NotNull(allB.ElementAt(i));
                }
                session.Commit();
                session.BeginUpdate();
                session.DeleteDatabase(db);
                session.DeleteDatabase(dbA);
                session.DeleteDatabase(dbB);
                session.Commit();
            }
        }
コード例 #7
0
    public void CreateDataAndIterateDb(int numObj)
    {
      using (SessionNoServer session = new SessionNoServer(systemDir))
      {
        session.Verify();
        session.BeginUpdate();
        UInt32 dbNum = session.DatabaseNumberOf(typeof(NotSharingPage));
        Database db = session.OpenDatabase(dbNum, true, false);
        if (db != null)
          session.DeleteDatabase(db);
        dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeA));
        db = session.OpenDatabase(dbNum, true, false);
        if (db != null)
          session.DeleteDatabase(db);
        dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeB));
        db = session.OpenDatabase(dbNum, true, false);
        if (db != null)
          session.DeleteDatabase(db);
        session.Commit();
      }

      using (SessionNoServer session = new SessionNoServer(systemDir))
      {
        session.Verify();
        session.BeginUpdate();
        UInt32 dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeB));
        Placement place = new Placement(dbNum, 100);
        for (int i = 0; i < numObj; i++)
        {
          NotSharingPage ns = new NotSharingPage();
          session.Persist(ns);
          SharingPageTypeA sA = new SharingPageTypeA();
          session.Persist(sA);
          SharingPageTypeB sB = new SharingPageTypeB();
          if (i % 5 == 0)
            sB.Persist(session, place);
          else if (i % 1001 == 0)
            sB.Persist(session, sA);
          else if (i % 3001 == 0)
            sB.Persist(session, ns);
          else
            session.Persist(sB);
        }
        session.Commit();
      }

      using (SessionNoServer session = new SessionNoServer(systemDir))
      {
        session.BeginRead();
        session.Verify();
        UInt32 dbNum = session.DatabaseNumberOf(typeof(NotSharingPage));
        Database db = session.OpenDatabase(dbNum);
        AllObjects<NotSharingPage> all = db.AllObjects<NotSharingPage>();
        ulong ct = all.Count();
        dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeA));
        OfType ofType = db.OfType(typeof(NotSharingPage));
        ulong ct2 = ofType.Count();
        Assert.AreEqual(ct, ct2);
        Database dbA = session.OpenDatabase(dbNum);
        dbNum = session.DatabaseNumberOf(typeof(SharingPageTypeB));
        Database dbB = session.OpenDatabase(dbNum);
        AllObjects<SharingPageTypeA> allA = dbA.AllObjects<SharingPageTypeA>();
        AllObjects<SharingPageTypeB> allB = dbB.AllObjects<SharingPageTypeB>();
        OfType allA2 = dbA.OfType(typeof(SharingPageTypeA));
        int start = numObj / 2;
        NotSharingPage ns = all.ElementAt(numObj);
        SharingPageTypeA sA = allA.ElementAt(numObj);
        SharingPageTypeA sA2 = (SharingPageTypeA)allA2.ElementAt(numObj);
        Assert.AreEqual(sA, sA2);
        sA = allA.ElementAt(10);
        sA2 = (SharingPageTypeA)allA2.ElementAt(10);
        Assert.AreEqual(sA, sA2);
        //MethodInfo method = typeof(Database).GetMethod("AllObjects");
        //MethodInfo generic = method.MakeGenericMethod(sA.GetType());
        //dynamic itr = generic.Invoke(dbA, new object[]{ true });
        //SharingPageTypeA sAb = itr.ElementAt(numObj);
        //Assert.AreEqual(sA, sAb);
        //SharingPageTypeA sAc = itr.ElementAt(numObj);
        SharingPageTypeB sB = allB.ElementAt(numObj);
        List<NotSharingPage> notSharingPageList = all.Skip(100).ToList();
        List<SharingPageTypeA> sharingPageTypeA = allA.Take(5).Skip(100).ToList();
        for (int i = start; i < numObj; i++)
          sA = allA.ElementAt(i);
        for (int i = start; i < numObj; i += 5)
          ns = all.ElementAt(i);
        for (int i = start; i < numObj; i += 5)
          sB = allB.ElementAt(i);
        for (int i = 0; i < numObj; i += 45000)
          ns = all.ElementAt(i);
        int allB_count = (int) allB.Count();
        for (int i = 0; i < allB_count - 1; i++)
        {
          Assert.NotNull(allB.ElementAt(i));
        }
        session.Commit();
        session.BeginUpdate();
        session.DeleteDatabase(db);
        session.DeleteDatabase(dbA);
        session.DeleteDatabase(dbB);
        session.Commit();
      }
    }
コード例 #8
0
        [Repeat(3)] // remove when propagtion of optimistic locking flag is done to slave database locations TO DO (issue caused by CopyAllDatabasdesTo that uses pessimistic locking)
        public void multipleServersOK()
        {
            using (SessionNoServer session = new SessionNoServer(systemDir))
            {
                session.BeginRead();
                foreach (DatabaseLocation loc in session.DatabaseLocations)
                {
                    Console.WriteLine(loc.ToStringDetails(session, false));
                }
                session.Commit();
            }

            using (ServerClientSession session = new ServerClientSession(systemDir, systemHost))
            {
                session.SetTraceDbActivity(0);
                DatabaseLocation localLocation = new DatabaseLocation(systemHost, location2Dir, 10000, 20000, session, PageInfo.compressionKind.LZ4, 0);
                Placement        place         = new Placement(10000, 2);
                session.BeginUpdate();
                foreach (DatabaseLocation loc in session.DatabaseLocations)
                {
                    Console.WriteLine(loc.ToStringDetails(session, false));
                }
                Console.WriteLine();
                session.NewLocation(localLocation);
                foreach (DatabaseLocation loc in session.DatabaseLocations)
                {
                    Console.WriteLine(loc.ToStringDetails(session, false));
                }
                Man   aMan   = null;
                Woman aWoman = null;

                for (int j = 1; j <= 5; j++)
                {
                    aMan = new Man(null, aMan, DateTime.UtcNow);
                    aMan.Persist(place, session);
                    aWoman = new Woman(aMan, aWoman);
                    aWoman.Persist(place, session);
                    aMan.m_spouse = new WeakIOptimizedPersistableReference <VelocityDbSchema.Person>(aWoman);
                    if (j % 1000 == 0)
                    {
                        session.FlushUpdates();
                    }
                }
                localLocation = new DatabaseLocation(systemHost2, systemDir, 20001, 30000, session, PageInfo.compressionKind.LZ4, 0);
                session.NewLocation(localLocation);
                foreach (DatabaseLocation loc in session.DatabaseLocations)
                {
                    Console.WriteLine(loc.ToStringDetails(session, false));
                }
                place = new Placement(20001);
                //localDatabase = session.NewDatabase(20001, localLocation);
                for (int j = 1; j <= 5; j++)
                {
                    aMan = new Man(null, aMan, DateTime.UtcNow);
                    aMan.Persist(place, session);
                    aWoman = new Woman(aMan, aWoman);
                    aWoman.Persist(place, session);
                    aMan.m_spouse = new WeakIOptimizedPersistableReference <VelocityDbSchema.Person>(aWoman);
                    if (j % 1000 == 0)
                    {
                        session.FlushUpdates();
                    }
                }
                DatabaseLocation serverLocation = new DatabaseLocation(systemHost2, location2Dir, 30001, 40000, session, PageInfo.compressionKind.LZ4, 0);
                session.NewLocation(serverLocation);
                foreach (DatabaseLocation loc in session.DatabaseLocations)
                {
                    Console.WriteLine(loc.ToStringDetails(session, false));
                }
                place = new Placement(30001);
                for (int j = 1; j <= 5; j++)
                {
                    aMan = new Man(null, aMan, DateTime.UtcNow);
                    aMan.Persist(place, session);
                    aWoman = new Woman(aMan, aWoman);
                    aWoman.Persist(place, session);
                    aMan.m_spouse = new WeakIOptimizedPersistableReference <VelocityDbSchema.Person>(aWoman);
                    if (j % 1000 == 0)
                    {
                        session.FlushUpdates();
                    }
                }
                localLocation = new DatabaseLocation(systemHost3, systemDir, 40001, 50000, session, PageInfo.compressionKind.None, 0);
                session.NewLocation(localLocation);
                place = new Placement(40001);
                //localDatabase = session.NewDatabase(20001, localLocation);
                for (int j = 1; j <= 5; j++)
                {
                    aMan = new Man(null, aMan, DateTime.UtcNow);
                    aMan.Persist(place, session);
                    aWoman = new Woman(aMan, aWoman);
                    aWoman.Persist(place, session);
                    aMan.m_spouse = new WeakIOptimizedPersistableReference <VelocityDbSchema.Person>(aWoman);
                    if (j % 1000 == 0)
                    {
                        session.FlushUpdates();
                    }
                }
                session.Commit();
            }

            using (ServerClientSession session = new ServerClientSession(systemDir, systemHost))
            {
                session.CopyAllDatabasesTo(copyDir);
                using (SessionNoServer copySession = new SessionNoServer(copyDir))
                {
                    copySession.Verify();
                }
            }

            using (ServerClientSession session = new ServerClientSession(systemDir, systemHost, 2000, false)) // TO DO, change back to use optimistic locking
            {
                //session.SetTraceDbActivity(0);
                session.BeginUpdate();
                Database db = session.OpenDatabase(10000);
                session.DeleteDatabase(db);
                db = session.OpenDatabase(20001);
                session.DeleteDatabase(db);
                db = session.OpenDatabase(30001);
                session.DeleteDatabase(db);
                db = session.OpenDatabase(40001);
                session.DeleteDatabase(db);
                session.Commit();
                Directory.Delete(copyDir, true);
            }

            System.GC.Collect();
            System.GC.WaitForPendingFinalizers();

            using (ServerClientSession session = new ServerClientSession(systemDir, systemHost))
            {
                Assert.True(session.OptimisticLocking);
            }
        }
コード例 #9
0
ファイル: Replication.cs プロジェクト: springmin/VelocityDB
        public void HighAvalailabiltyByReplication()
        {
            var alternateSystemBoot = new List <ReplicaInfo> {
                new ReplicaInfo {
                    Path = "Replica1"
                }, new ReplicaInfo {
                    Path = "Replica2"
                }
            };
            var p1       = SessionBase.BaseDatabasePath + "/Replica1";
            var p2       = SessionBase.BaseDatabasePath + "/Replica2";
            var p3       = SessionBase.BaseDatabasePath + "/Replica3";
            var p3remote = $"\\{s_systemHost2}/databases/Replica3";

            if (Directory.Exists(p1))
            {
                Directory.Delete(p1, true);
            }
            if (Directory.Exists(p2))
            {
                Directory.Delete(p2, true);
            }
            if (Directory.Exists(p3))
            {
                Directory.Delete(p3, true);
            }
            if (Directory.Exists(p3remote))
            {
                Directory.Delete(p3remote, true);
            }

            using (var session = new ServerClientSession(alternateSystemBoot))
            {
                session.BeginUpdate();
                for (int i = 0; i < 100; i++)
                {
                    var s = i.ToString();
                    session.Persist(s);
                }
                session.Commit();
            }

            alternateSystemBoot = new List <ReplicaInfo> {
                new ReplicaInfo {
                    Path = "Replica1"
                }, new ReplicaInfo {
                    Path = "Replica2"
                }, new ReplicaInfo {
                    Path = "Replica3", Host = s_systemHost2
                }
            };
            using (var session = new ServerClientSession(alternateSystemBoot))
            {
                session.BeginUpdate();
                for (int i = 0; i < 100; i++)
                {
                    var s = i.ToString();
                    session.Persist(s);
                }
                session.Commit();
            }

            using (var session = new ServerClientSession(alternateSystemBoot))
            {
                session.BeginUpdate();
                for (int i = 0; i < 10; i++)
                {
                    var s = i.ToString();
                    session.Persist(s);
                }
                if (Directory.Exists(p2))
                {
                    Directory.Delete(p2, true);
                }
                session.Commit();
            }

            using (var session = new ServerClientSession(alternateSystemBoot))
            {
                session.BeginRead();
                foreach (var s in session.AllObjects <string>())
                {
                    Console.WriteLine(s);
                }
                session.Commit();
            }

            using (var session = new ServerClientSession(alternateSystemBoot))
            {
                session.BeginUpdate();
                for (int i = 0; i < 10; i++)
                {
                    var s = i.ToString();
                    session.Persist(s);
                    if (Directory.Exists(p2))
                    {
                        Directory.Delete(p2, true);
                    }
                }
                session.Commit();
            }

            using (var session = new ServerClientSession(alternateSystemBoot))
            {
                session.BeginRead();
                foreach (var s in session.AllObjects <string>())
                {
                    Console.WriteLine(s);
                }
                session.Commit();
            }

            using (var session = new SessionNoServer("Replica1"))
            {
                session.Verify();
            }
            using (var session = new SessionNoServer("Replica2"))
            {
                session.Verify();
            }
            using (var session = new ServerClientSession("Replica3", s_systemHost2))
            {
                session.Verify();
            }
        }
コード例 #10
0
    [Repeat(3)] // remove when propagation of optimistic locking flag is done to slave database locations TO DO (issue caused by CopyAllDatabasdesTo that uses pessimistic locking)
    public void multipleServersOK()
    {
      using (SessionNoServer session = new SessionNoServer(systemDir))
      {
        session.BeginRead();
        foreach (DatabaseLocation loc in session.DatabaseLocations)
          Console.WriteLine(loc.ToStringDetails(session, false));
        session.Commit();
      }

      using (ServerClientSession session = new ServerClientSession(systemDir, systemHost))
      {
        session.SetTraceDbActivity(0);
        DatabaseLocation localLocation = new DatabaseLocation(systemHost, location2Dir, 10000, 20000, session, PageInfo.compressionKind.LZ4, 0);
        Placement place = new Placement(10000, 2);
        session.BeginUpdate();
        foreach (DatabaseLocation loc in session.DatabaseLocations)
          Console.WriteLine(loc.ToStringDetails(session, false));
        Console.WriteLine();
        session.NewLocation(localLocation);
        foreach (DatabaseLocation loc in session.DatabaseLocations)
          Console.WriteLine(loc.ToStringDetails(session, false));
        Man aMan = null;
        Woman aWoman = null;

        for (int j = 1; j <= 5; j++)
        {
          aMan = new Man(null, aMan, DateTime.UtcNow);
          aMan.Persist(place, session);
          aWoman = new Woman(aMan, aWoman);
          aWoman.Persist(place, session);
          aMan.m_spouse = new WeakIOptimizedPersistableReference<VelocityDbSchema.Person>(aWoman);
          if (j % 1000 == 0)
          {
            session.FlushUpdates();
          }
        }
        localLocation = new DatabaseLocation(systemHost2, systemDir, 20001, 30000, session, PageInfo.compressionKind.LZ4, 0);
        session.NewLocation(localLocation);
        foreach (DatabaseLocation loc in session.DatabaseLocations)
          Console.WriteLine(loc.ToStringDetails(session, false));
        place = new Placement(20001);
        //localDatabase = session.NewDatabase(20001, localLocation);
        for (int j = 1; j <= 5; j++)
        {
          aMan = new Man(null, aMan, DateTime.UtcNow);
          aMan.Persist(place, session);
          aWoman = new Woman(aMan, aWoman);
          aWoman.Persist(place, session);
          aMan.m_spouse = new WeakIOptimizedPersistableReference<VelocityDbSchema.Person>(aWoman);
          if (j % 1000 == 0)
          {
            session.FlushUpdates();
          }
        }
        DatabaseLocation serverLocation = new DatabaseLocation(systemHost2, location2Dir, 30001, 40000, session, PageInfo.compressionKind.LZ4, 0);
        session.NewLocation(serverLocation);
        foreach (DatabaseLocation loc in session.DatabaseLocations)
          Console.WriteLine(loc.ToStringDetails(session, false));
        place = new Placement(30001);
        for (int j = 1; j <= 5; j++)
        {
          aMan = new Man(null, aMan, DateTime.UtcNow);
          aMan.Persist(place, session);
          aWoman = new Woman(aMan, aWoman);
          aWoman.Persist(place, session);
          aMan.m_spouse = new WeakIOptimizedPersistableReference<VelocityDbSchema.Person>(aWoman);
          if (j % 1000 == 0)
          {
            session.FlushUpdates();
          }
        }
        localLocation = new DatabaseLocation(systemHost3, systemDir, 40001, 50000, session, PageInfo.compressionKind.None, 0);
        session.NewLocation(localLocation);
        place = new Placement(40001);
        //localDatabase = session.NewDatabase(20001, localLocation);
        for (int j = 1; j <= 5; j++)
        {
          aMan = new Man(null, aMan, DateTime.UtcNow);
          aMan.Persist(place, session);
          aWoman = new Woman(aMan, aWoman);
          aWoman.Persist(place, session);
          aMan.m_spouse = new WeakIOptimizedPersistableReference<VelocityDbSchema.Person>(aWoman);
          if (j % 1000 == 0)
          {
            session.FlushUpdates();
          }
        }
        session.Commit();
      }

      using (ServerClientSession session = new ServerClientSession(systemDir, systemHost))
      {
        session.CopyAllDatabasesTo(copyDir);
        using (SessionNoServer copySession = new SessionNoServer(copyDir))
        {
          copySession.Verify();
        }
      }

      using (ServerClientSession session = new ServerClientSession(systemDir, systemHost, 2000, false)) // TO DO, change back to use optimistic locking
      {
        //session.SetTraceDbActivity(0);
        session.BeginUpdate();
        Database db = session.OpenDatabase(10000);
        session.DeleteDatabase(db);
        db = session.OpenDatabase(20001);
        session.DeleteDatabase(db);
        db = session.OpenDatabase(30001);
        session.DeleteDatabase(db);
        db = session.OpenDatabase(40001);
        session.DeleteDatabase(db);
        session.Commit();
        Directory.Delete(copyDir, true);
      }

      System.GC.Collect();
      System.GC.WaitForPendingFinalizers();

      using (ServerClientSession session = new ServerClientSession(systemDir, systemHost))
      {
        Assert.True(session.OptimisticLocking);
      }
    }
コード例 #11
0
ファイル: UpdateClass.cs プロジェクト: springmin/VelocityDB
        static int MoveToDifferentFullClassName()
        {
            try
            {
                using (SessionNoServer session = new SessionNoServer(s_systemDir))
                {
                    session.SetTraceDbActivity(Schema.SchemaDB);
                    session.BeginUpdate();
                    session.ReplacePersistedType(typeof(VelocityDbSchema.Samples.UpdateClass.UpdatedClass), typeof(UpdateClass.UpdatedClass));
                    session.Commit();
                }
                using (SessionNoServer session = new SessionNoServer(s_systemDir))
                {
                    session.Verify();
                    session.BeginRead();
                    foreach (var obj in session.AllObjects <UpdateClass.UpdatedClass>())
                    {
                        Console.Write(obj.ToString() + " has members: ");
                        foreach (DataMember member in obj.GetDataMembers())
                        {
                            Console.Write(member.ToString() + " ");
                        }
                    }
                    foreach (var obj in session.AllObjects <VelocityDbSchema.Samples.UpdateClass.UpdatedClass>())
                    {
                        throw new Exception("not expected");
                    }
                    session.Commit();
                }

                // change it back to original
                using (SessionNoServer session = new SessionNoServer(s_systemDir))
                {
                    session.SetTraceDbActivity(Schema.SchemaDB);
                    session.BeginUpdate();
                    session.ReplacePersistedType(typeof(UpdateClass.UpdatedClass).AssemblyQualifiedName, typeof(VelocityDbSchema.Samples.UpdateClass.UpdatedClass));
                    session.Commit();
                }
                using (SessionNoServer session = new SessionNoServer(s_systemDir))
                {
                    session.Verify();
                    session.BeginRead();
                    foreach (var obj in session.AllObjects <VelocityDbSchema.Samples.UpdateClass.UpdatedClass>())
                    {
                        Console.Write(obj.ToString() + " has members: ");
                        foreach (DataMember member in obj.GetDataMembers())
                        {
                            Console.Write(member.ToString() + " ");
                        }
                    }
                    foreach (var obj in session.AllObjects <UpdateClass.UpdatedClass>())
                    {
                        throw new Exception("not expected");
                    }
                    session.Commit();
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
                return(1);
            }
            return(0);
        }