/// <summary> /// /// </summary> public static ADOPersistenceHelper CreatePersistenceHelper(PlatformSettings settings) { ADOPersistenceHelper helper = new ADOPersistenceHelper(); if (helper.Initialize(settings.GetMappedFolder("PersistencePath")) == false) { return(null); } helper.SetupTypeMapping(typeof(Platform), "Platforms", null); helper.SetupTypeMapping(typeof(PlatformComponent), "PlatformComponents", null); return(helper); }
/// <summary> /// /// </summary> public void Initialize(Platform platform) { SystemMonitor.CheckWarning(NewsSourcesUnsafe.Count == 0, "Manager already has assigned sources."); _platform = platform; _persistenceHelper = Platform.CreatePersistenceHelper(platform.Settings); _persistenceHelper.SetupTypeMapping(typeof(RssNewsItem), "RssNewsItems", null); _persistenceHelper.SetupTypeMapping(typeof(NewsSource), "NewsSources", null); _persistenceHelper.SetupTypeMapping(typeof(RssNewsSource), "NewsSources", null); _persistenceHelper.SetupTypeMapping(typeof(ForexNewsItem), "ForexNewsItems", null); _persistenceHelper.SetupTypeMapping(typeof(ForexNewsSource), "ForexNewsSources", null); // Make sure this load is before the accept events, so that they do not cause adding failure. List <NewsSource> sources = _persistenceHelper.SelectDynamicType <NewsSource>(null, "Type", null); base.SourceAddedEvent += new NewsSourceUpdateDelegate(PlatformNewsManager_SourceAddedEvent); base.SourceRemovedEvent += new NewsSourceUpdateDelegate(PlatformNewsManager_SourceRemovedEvent); foreach (NewsSource source in sources) { if (source.Enabled) { List <RssNewsItem> items = _persistenceHelper.Select <RssNewsItem>(new MatchExpression("NewsSourceId", source.Id), null); foreach (RssNewsItem item in items) { item.Source = source; } // Handle the relation to persistence. source.AddItems(items.ToArray()); } base.AddSource(source); } GeneralHelper.FireAndForget(UpdateFeeds); }
/// <summary> /// /// </summary> public void Initialize(Platform platform) { SystemMonitor.CheckWarning(NewsSourcesUnsafe.Count == 0, "Manager already has assigned sources."); _platform = platform; _persistenceHelper = Platform.CreatePersistenceHelper(platform.Settings); _persistenceHelper.SetupTypeMapping(typeof(RssNewsItem), "RssNewsItems", null); _persistenceHelper.SetupTypeMapping(typeof(NewsSource), "NewsSources", null); _persistenceHelper.SetupTypeMapping(typeof(RssNewsSource), "NewsSources", null); _persistenceHelper.SetupTypeMapping(typeof(ForexNewsItem), "ForexNewsItems", null); _persistenceHelper.SetupTypeMapping(typeof(ForexNewsSource), "ForexNewsSources", null); // Make sure this load is before the accept events, so that they do not cause adding failure. List<NewsSource> sources = _persistenceHelper.SelectDynamicType<NewsSource>(null, "Type", null); base.SourceAddedEvent += new NewsSourceUpdateDelegate(PlatformNewsManager_SourceAddedEvent); base.SourceRemovedEvent += new NewsSourceUpdateDelegate(PlatformNewsManager_SourceRemovedEvent); foreach (NewsSource source in sources) { if (source.Enabled) { List<RssNewsItem> items = _persistenceHelper.Select<RssNewsItem>(new MatchExpression("NewsSourceId", source.Id), null); foreach (RssNewsItem item in items) { item.Source = source; } // Handle the relation to persistence. source.AddItems(items.ToArray()); } base.AddSource(source); } GeneralHelper.FireAndForget(UpdateFeeds); }
/// <summary> /// /// </summary> public bool Initialize(PlatformSettings settings) { lock (this) { _persistenceHelper = Platform.CreatePersistenceHelper(settings); _persistenceHelper.SetupTypeMapping(typeof(DataStoreEntry), "DataStoreEntries", null); _dataStoreFilesFolder = settings.GetMappedFolder("DataStoreFolder"); } GeneralHelper.FireAndForget( delegate() { try { // Download online dataDelivery source entries. WebRequest request = WebRequest.Create(settings.DataStoreOnlineSourcesXml); request.Timeout = (int)TimeSpan.FromSeconds(15).TotalMilliseconds; TextReader reader = new StreamReader(request.GetResponse().GetResponseStream()); // If you get an error here in DEBUG MODE, just ignore it, it is a bug in VS 2008. XmlSerializer serializer = new XmlSerializer(typeof(OnlineEntrySource[])); OnlineEntrySource[] sources = (OnlineEntrySource[])serializer.Deserialize(reader); lock (_onlineEntrySources) { // _onlineEntrySources contains serialized existing sources. _onlineEntrySources.AddRange(sources); sources = _onlineEntrySources.ToArray(); } foreach (OnlineEntrySource source in sources) { if (OnlineEntrySourceAddedEvent != null) { OnlineEntrySourceAddedEvent(this, source); } } } catch (Exception ex) { SystemMonitor.OperationError("Failed to obtain online data souces [" + ex.Message + "].", TracerItem.PriorityEnum.Low); } } ); if (Directory.Exists(_dataStoreFilesFolder) == false) { if (Directory.CreateDirectory(_dataStoreFilesFolder) == null) { SystemMonitor.OperationError("Failed to create Data Store folder [" + settings.GetMappedFolder("DataStoreFolder") + "]"); return(false); } } List <DataStoreEntry> entries = _persistenceHelper.Select <DataStoreEntry>(null, null); foreach (DataStoreEntry entry in entries) { DoAddEntry(entry); } ChangeOperationalState(OperationalStateEnum.Operational); return(true); }
/// <summary> /// /// </summary> public bool Initialize(PlatformSettings settings) { lock (this) { _persistenceHelper = Platform.CreatePersistenceHelper(settings); _persistenceHelper.SetupTypeMapping(typeof(DataStoreEntry), "DataStoreEntries", null); _dataStoreFilesFolder = settings.GetMappedFolder("DataStoreFolder"); } GeneralHelper.FireAndForget( delegate() { try {// Download online dataDelivery source entries. WebRequest request = WebRequest.Create(settings.DataStoreOnlineSourcesXml); request.Timeout = (int)TimeSpan.FromSeconds(15).TotalMilliseconds; TextReader reader = new StreamReader(request.GetResponse().GetResponseStream()); // If you get an error here in DEBUG MODE, just ignore it, it is a bug in VS 2008. XmlSerializer serializer = new XmlSerializer(typeof(OnlineEntrySource[])); OnlineEntrySource[] sources = (OnlineEntrySource[])serializer.Deserialize(reader); lock (_onlineEntrySources) {// _onlineEntrySources contains serialized existing sources. _onlineEntrySources.AddRange(sources); sources = _onlineEntrySources.ToArray(); } foreach (OnlineEntrySource source in sources) { if (OnlineEntrySourceAddedEvent != null) { OnlineEntrySourceAddedEvent(this, source); } } } catch (Exception ex) { SystemMonitor.OperationError("Failed to obtain online data souces [" + ex.Message + "].", TracerItem.PriorityEnum.Low); } } ); if (Directory.Exists(_dataStoreFilesFolder) == false) { if (Directory.CreateDirectory(_dataStoreFilesFolder) == null) { SystemMonitor.OperationError("Failed to create Data Store folder [" + settings.GetMappedFolder("DataStoreFolder") + "]"); return false; } } List<DataStoreEntry> entries = _persistenceHelper.Select<DataStoreEntry>(null, null); foreach (DataStoreEntry entry in entries) { DoAddEntry(entry); } ChangeOperationalState(OperationalStateEnum.Operational); return true; }
/// <summary> /// The initialization of a platform consumes 2 main dataDelivery sources. /// The settings is used for primary, startup information (like where /// is the persistence DB file etc.) and the information inside the /// persistence is than on used to create components etc. /// </summary> public bool Initialize(PlatformSettings platformSettings) { TracerHelper.TraceEntry(); SystemMonitor.CheckThrow(_settings == null, "Platform already initialized."); lock (this) { _settings = platformSettings; if (_persistenceHelper == null) { _persistenceHelper = CreatePersistenceHelper(platformSettings); } } if (_persistenceHelper == null) { return(false); } LoadModules(_settings); if (_persistenceHelper.Count <Platform>(new MatchExpression("Name", this.Name)) == 0) {// This is a new platform. lock (this) { _guid = Guid.NewGuid(); } if (_persistenceHelper.Insert <Platform>(this, null) == false) { SystemMonitor.Error("Failed to persist new platform [" + this.Name + "]"); return(false); } } else {// This is existing. // Now try to load self from persistance storage. bool selectionResult = _persistenceHelper.SelectScalar <Platform>(this, new MatchExpression("Name", this.Name)); if (selectionResult == false) {// Failed to load self from DB. return(false); } } lock (this) { if (_serializationData.ContainsValue("diagnosticsMode")) { _settings.DiagnosticsMode = _serializationData.GetBoolean("diagnosticsMode"); } if (_serializationData.ContainsValue("uiSerializationInfo")) { // The main serialization dataDelivery stores the UI orderInfo. _uiSerializationInfo = _serializationData.GetValue <SerializationInfoEx>("uiSerializationInfo"); } if (_serializationData.ContainsValue("componentSpecificSerializationInfo")) { // The main serialization dataDelivery stores the UI orderInfo. _componentSpecificSerializationInfo = _serializationData.GetValue <SerializationInfoEx>("componentSpecificSerializationInfo"); } } //_server = new Arbiter.TransportIntegrationServer(_platformUri); //Arbiter.AddClient(_server); GeneralHelper.FireAndForget(delegate() {// LoadFromFile components. // Registering of components is better done outside the lock, // since components may launch requests to platform at initializations. _isLoading = true; // Components are stored in the PlatformComponents database, they are being serialized and the entire object is // persisted in the DB, as well as the type information for it and a reference to the platform instance it belongs to. List <long> failedSerializationsIds = new List <long>(); List <PlatformComponent> components = PersistenceHelper.SelectSerializedType <PlatformComponent>( new MatchExpression("PlatformId", this.Id), "Data", null, failedSerializationsIds); SortedList <int, List <PlatformComponent> > componentsByLevel = GetComponentsByLevel(components); GatherMandatoryComponents(componentsByLevel); foreach (int level in componentsByLevel.Keys) {// Register lower level components first. foreach (PlatformComponent component in componentsByLevel[level]) { if (DoRegisterComponent(component, true) == false && component.Id.HasValue && ComponentDeserializationFailedEvent != null) { ComponentDeserializationFailedEvent(component.Id.Value, component.GetType().Name); } } } // Handle failed deserializations. foreach (int id in failedSerializationsIds) { string typeName = "Unknown"; try {// Extract the type of this entry. List <object[]> result = _persistenceHelper.SelectColumns <PlatformComponent>( new MatchExpression("Id", id), new string[] { "Type" }, 1); Type type = Type.GetType(result[0][0].ToString()); if (type != null) { typeName = type.Name; } } catch (Exception ex) { SystemMonitor.Error("Failed to extract type information [" + ex.Message + "]."); } if (ComponentDeserializationFailedEvent != null) { ComponentDeserializationFailedEvent(id, typeName); } } _isLoading = false; }); return(true); }
/// <summary> /// The initialization of a platform consumes 2 main dataDelivery sources. /// The settings is used for primary, startup information (like where /// is the persistence DB file etc.) and the information inside the /// persistence is than on used to create components etc. /// </summary> public bool Initialize(PlatformSettings platformSettings) { TracerHelper.TraceEntry(); SystemMonitor.CheckThrow(_settings == null, "Platform already initialized."); lock (this) { _settings = platformSettings; if (_persistenceHelper == null) { _persistenceHelper = CreatePersistenceHelper(platformSettings); } } if (_persistenceHelper == null) { return false; } LoadModules(_settings); if (_persistenceHelper.Count<Platform>(new MatchExpression("Name", this.Name)) == 0) {// This is a new platform. lock (this) { _guid = Guid.NewGuid(); } if (_persistenceHelper.Insert<Platform>(this, null) == false) { SystemMonitor.Error("Failed to persist new platform [" + this.Name + "]"); return false; } } else {// This is existing. // Now try to load self from persistance storage. bool selectionResult = _persistenceHelper.SelectScalar<Platform>(this, new MatchExpression("Name", this.Name)); if (selectionResult == false) {// Failed to load self from DB. return false; } } lock (this) { if (_serializationData.ContainsValue("diagnosticsMode")) { _settings.DiagnosticsMode = _serializationData.GetBoolean("diagnosticsMode"); } if (_serializationData.ContainsValue("uiSerializationInfo")) { // The main serialization dataDelivery stores the UI orderInfo. _uiSerializationInfo = _serializationData.GetValue<SerializationInfoEx>("uiSerializationInfo"); } if (_serializationData.ContainsValue("componentSpecificSerializationInfo")) { // The main serialization dataDelivery stores the UI orderInfo. _componentSpecificSerializationInfo = _serializationData.GetValue<SerializationInfoEx>("componentSpecificSerializationInfo"); } } //_server = new Arbiter.TransportIntegrationServer(_platformUri); //Arbiter.AddClient(_server); GeneralHelper.FireAndForget(delegate() {// LoadFromFile components. // Registering of components is better done outside the lock, // since components may launch requests to platform at initializations. _isLoading = true; // Components are stored in the PlatformComponents database, they are being serialized and the entire object is // persisted in the DB, as well as the type information for it and a reference to the platform instance it belongs to. List<long> failedSerializationsIds = new List<long>(); List<PlatformComponent> components = PersistenceHelper.SelectSerializedType<PlatformComponent>( new MatchExpression("PlatformId", this.Id), "Data", null, failedSerializationsIds); SortedList<int, List<PlatformComponent>> componentsByLevel = GetComponentsByLevel(components); GatherMandatoryComponents(componentsByLevel); foreach (int level in componentsByLevel.Keys) {// Register lower level components first. foreach (PlatformComponent component in componentsByLevel[level]) { if (DoRegisterComponent(component, true) == false && component.Id.HasValue && ComponentDeserializationFailedEvent != null) { ComponentDeserializationFailedEvent(component.Id.Value, component.GetType().Name); } } } // Handle failed deserializations. foreach (int id in failedSerializationsIds) { string typeName = "Unknown"; try {// Extract the type of this entry. List<object[]> result = _persistenceHelper.SelectColumns<PlatformComponent>( new MatchExpression("Id", id), new string[] { "Type" }, 1 ); Type type = Type.GetType(result[0][0].ToString()); if (type != null) { typeName = type.Name; } } catch(Exception ex) { SystemMonitor.Error("Failed to extract type information [" + ex.Message + "]."); } if (ComponentDeserializationFailedEvent != null) { ComponentDeserializationFailedEvent(id, typeName); } } _isLoading = false; }); return true; }
/// <summary> /// /// </summary> public static ADOPersistenceHelper CreatePersistenceHelper(PlatformSettings settings) { ADOPersistenceHelper helper = new ADOPersistenceHelper(); if (helper.Initialize(settings.GetMappedFolder("PersistencePath")) == false) { return null; } helper.SetupTypeMapping(typeof(Platform), "Platforms", null); helper.SetupTypeMapping(typeof(PlatformComponent), "PlatformComponents", null); return helper; }