Пример #1
0
        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();
            }
        }