/// <summary> /// 设置超时时间 /// </summary> /// <param name="context"></param> /// <param name="id"></param> public override void ResetItemTimeout(HttpContext context, string id) { using (SessionStateEF db = new SessionStateEF()) { var session = db.ASPStateTempSessions.Find(id); if (session == null) { return; } session.Expires = DateTime.Now + _expiresTime; db.SaveChanges(); } }
/// <summary> /// 新建或者释放锁定的项并设置Session的值 /// </summary> /// <param name="context"></param> /// <param name="id"></param> /// <param name="item"></param> /// <param name="lockId"></param> /// <param name="newItem"></param> public override void SetAndReleaseItemExclusive(HttpContext context, string id, SessionStateStoreData item, object lockId, bool newItem) { using (SessionStateEF db = new SessionStateEF()) { // 判断是否是新建,如果是新建则和CreateUninitializedItem不同在于Timeout和有初始值。 if (newItem) { var session = new ASPStateTempSessions { Created = DateTime.Now, Expires = DateTime.Now.AddMinutes(item.Timeout), Flags = (int)SessionStateActions.None, LockDate = DateTime.Now, Locked = false, SessionId = id, LockId = 0, Timeout = item.Timeout, SessionItem = Serialize((SessionStateItemCollection)item.Items) }; db.ASPStateTempSessions.Add(session); db.SaveChanges(); } else// 释放锁定的项并设置Session的值 { var session = db.ASPStateTempSessions.FirstOrDefault(i => i.SessionId == id); if (session == null) { return; } session.Expires = DateTime.Now.AddMinutes(item.Timeout); session.Locked = false; session.LockId = Convert.ToInt32(lockId); session.SessionItem = Serialize((SessionStateItemCollection)item.Items); db.SaveChanges(); } } }
/// <summary> /// 删除Session,会在Session.Abandon()的时候调用 /// </summary> /// <param name="context"></param> /// <param name="id"></param> /// <param name="lockId"></param> /// <param name="item"></param> public override void RemoveItem(HttpContext context, string id, object lockId, SessionStateStoreData item) { using (SessionStateEF db = new SessionStateEF()) { var session = db.ASPStateTempSessions.Find(id); if (session == null) { return; } db.ASPStateTempSessions.Remove(session); db.SaveChanges(); } }
/// <summary> /// 释放锁定的项,就是把锁定的Session的锁的状态清除掉 /// </summary> /// <param name="context"></param> /// <param name="id"></param> /// <param name="lockId"></param> public override void ReleaseItemExclusive(HttpContext context, string id, object lockId) { using (SessionStateEF db = new SessionStateEF()) { var session = db.ASPStateTempSessions.Find(id); if (session == null) { return; } // 把locked设置为false session.Locked = false; session.Expires = DateTime.Now + _expiresTime; db.SaveChanges(); } }
/// <summary> /// 创建未初始化的项,就是初始化Session数据 /// </summary> /// <param name="context"></param> /// <param name="id"></param> /// <param name="timeout"></param> public override void CreateUninitializedItem(HttpContext context, string id, int timeout) { using (SessionStateEF db = new SessionStateEF()) { var session = new ASPStateTempSessions { Created = DateTime.Now, Expires = DateTime.Now.AddMinutes(timeout), Flags = (int)SessionStateActions.InitializeItem, LockDate = DateTime.Now, Locked = false, SessionId = id, LockId = 0, Timeout = timeout }; db.ASPStateTempSessions.Add(session); db.SaveChanges(); } }