private IQueryable <T> BuildQueryFromProviders <T>(IEnumerable <string> providerNames) where T : class, IData
{
if (providerNames == null)
{
providerNames = DataProviderRegistry.GetDataProviderNamesByInterfaceType(typeof(T));
}
var queries = new List <IQueryable <T> >();
foreach (string providerName in providerNames)
{
IQueryable <T> query = DataProviderPluginFacade.GetData <T>(providerName);
queries.Add(query);
}
bool resultIsCached = queries.Count == 1 && queries[0] is ICachedQuery;
if (resultIsCached)
{
return(queries[0]);
}
return(new DataFacadeQueryable <T>(queries));
}
/// <summary>
/// Copies all the data from the source data provider to the target data provider.
/// </summary>
public void FullCopy()
{
var allTypes = from type in DataFacade.GetAllInterfaces()
where DataProviderRegistry.GetDataProviderNamesByInterfaceType(type).Contains(this.SourceProviderName)
select type;
Copy(allTypes);
}
private static bool DataProvidersSupportDataWrapping(Type T)
{
var providerNames = DataProviderRegistry.GetDataProviderNamesByInterfaceType(T);
Verify.IsNotNull(providerNames, "Failed to get data provider names list");
return(providerNames.All(DataProviderPluginFacade.AllowsResultsWrapping));
}
private List <string> GetWritableDataProviders(Type type)
{
var dataProviders = DataProviderRegistry.GetWriteableDataProviderNamesByInterfaceType(type);
if (dataProviders.Count > 1 && dataProviders.Contains(DataProviderRegistry.DefaultDynamicTypeDataProviderName))
{
dataProviders = new List <string> {
DataProviderRegistry.DefaultDynamicTypeDataProviderName
};
}
return(dataProviders);
}
/// <summary>
/// </summary>
/// <param name="oldDataTypeDescriptor"></param>
/// <param name="newDataTypeDescriptor"></param>
/// <param name="originalTypeHasData"></param>
public UpdateDataTypeDescriptor(DataTypeDescriptor oldDataTypeDescriptor, DataTypeDescriptor newDataTypeDescriptor, bool originalTypeHasData = true)
{
OldDataTypeDescriptor = oldDataTypeDescriptor;
NewDataTypeDescriptor = newDataTypeDescriptor;
var interfaceType = oldDataTypeDescriptor.GetInterfaceType();
ProviderName = interfaceType != null
? DataProviderRegistry.GetWriteableDataProviderNamesByInterfaceType(interfaceType)
.SingleOrException("Failed to get data provider by type '{0}'",
"Multiple data providers for type '{0}'", interfaceType.FullName)
: DataProviderRegistry.DefaultDynamicTypeDataProviderName;
}
private void AddDataTypeStore(DataTypeDescriptor dataTypeDescriptor, Type interfaceType, XmlDataTypeStore xmlDateTypeStore)
{
bool interfaceValidated = DataTypeValidationRegistry.Validate(interfaceType, dataTypeDescriptor);
if (xmlDateTypeStore != null && interfaceValidated)
{
_xmlDataTypeStoresContainer.AddSupportedDataTypeStore(interfaceType, xmlDateTypeStore);
DataProviderRegistry.AddNewDataType(interfaceType, _dataProviderContext.ProviderName);
}
else
{
_xmlDataTypeStoresContainer.AddKnownInterface(interfaceType);
}
}
internal static void DropStore(string providerName, DataTypeDescriptor typeDescriptor, bool makeAFlush)
{
if (providerName == null)
{
providerName = DataProviderRegistry.DefaultDynamicTypeDataProviderName;
}
_dynamicTypeManager.DropStore(providerName, typeDescriptor, makeAFlush);
var interfaceType = typeDescriptor.GetInterfaceType();
if (interfaceType != null)
{
DataProviderRegistry.UnregisterDataType(interfaceType, providerName);
}
}
public IQueryable <T> GetData <T>(bool useCaching, IEnumerable <string> providerNames)
where T : class, IData
{
IQueryable <T> resultQueryable;
if (DataProviderRegistry.AllInterfaces.Contains(typeof(T)))
{
if (useCaching &&
providerNames == null &&
DataCachingFacade.IsDataAccessCacheEnabled(typeof(T)))
{
resultQueryable = DataCachingFacade.GetDataFromCache <T>(
() => BuildQueryFromProviders <T>(null));
}
else
{
resultQueryable = BuildQueryFromProviders <T>(providerNames);
}
}
else
{
DataProviderRegistry.CheckInitializationErrors(typeof(T));
if (!typeof(T).GetCustomInterfaceAttributes <AutoUpdatebleAttribute>().Any())
{
throw new ArgumentException($"The given interface type ({typeof (T)}) is not supported by any data providers");
}
resultQueryable = new List <T>().AsQueryable();
}
foreach (var dataInterceptor in GetDataInterceptors(typeof(T)))
{
try
{
resultQueryable = dataInterceptor.InterceptGetData <T>(resultQueryable);
}
catch (Exception ex)
{
Log.LogError(LogTitle, ex);
}
}
return(resultQueryable);
}
private void EnsureInterfaces(IEnumerable <Type> allInterfaces)
{
var dataTypeDescriptors = new List <DataTypeDescriptor>();
foreach (Type interfaceType in allInterfaces)
{
if (!DataProviderRegistry.GetDataProviderNamesByInterfaceType(interfaceType).Contains(this.TargetProviderName))
{
var dataTypeDescriptor = DynamicTypeManager.BuildNewDataTypeDescriptor(interfaceType);
dataTypeDescriptor.Validate();
dataTypeDescriptors.Add(dataTypeDescriptor);
}
}
DataProviderPluginFacade.CreateStores(this.TargetProviderName, dataTypeDescriptors);
}
private void AddDataTypeStore(InitializeStoreResult initializeStoreResult, bool doValidate = true, bool isInitialization = false)
{
if (initializeStoreResult.InterfaceType == null)
{
return;
}
bool isValid = initializeStoreResult.SqlDataTypeStore != null;
if (isValid && doValidate)
{
isValid = ValidateTables(initializeStoreResult, isInitialization);
}
if (!isValid)
{
_sqlDataTypeStoresContainer.AddKnownInterface(initializeStoreResult.InterfaceType);
return;
}
_sqlDataTypeStoresContainer.AddSupportedDataTypeStore(initializeStoreResult.InterfaceType, initializeStoreResult.SqlDataTypeStore);
DataProviderRegistry.AddNewDataType(initializeStoreResult.InterfaceType, _dataProviderContext.ProviderName);
}
private InterfaceGeneratedClassesInfo InitializeStoreTypes(InterfaceConfigurationElement element,
Dictionary <DataTypeDescriptor, IEnumerable <SqlDataTypeStoreDataScope> > allSqlDataTypeStoreDataScopes,
Type dataContextClass,
Dictionary <Guid, Type> dataTypes,
bool forceCompile,
ref bool dataContextRecompilationNeeded,
ref HelperClassesGenerationInfo helperClassesGenerationInfo)
{
var result = new InterfaceGeneratedClassesInfo();
var dataScopes = new List <SqlDataTypeStoreDataScope>();
foreach (StorageInformation storageInformation in element.Stores)
{
var sqlDataTypeStoreDataScope = new SqlDataTypeStoreDataScope
{
DataScopeName = storageInformation.DataScope,
CultureName = storageInformation.CultureName,
TableName = storageInformation.TableName
};
dataScopes.Add(sqlDataTypeStoreDataScope);
}
result.DataScopes = dataScopes;
Guid dataTypeId = element.DataTypeId;
var dataTypeDescriptor = DataMetaDataFacade.GetDataTypeDescriptor(dataTypeId, true);
if (dataTypeDescriptor == null)
{
throw NewConfigurationException(element, "Failed to get a DataTypeDescriptor by id '{0}'".FormatWith(dataTypeId));
}
result.DataTypeDescriptor = dataTypeDescriptor;
Type interfaceType = null;
try
{
if (dataTypes == null ||
!dataTypes.TryGetValue(dataTypeId, out interfaceType) ||
interfaceType == null)
{
interfaceType = DataTypeTypesManager.GetDataType(dataTypeDescriptor);
}
if (interfaceType == null)
{
Log.LogWarning(LogTitle, "The data interface type '{0}' does not exists and is not code generated. It will not be unusable", dataTypeDescriptor.TypeManagerTypeName);
return(result);
}
result.InterfaceType = interfaceType;
string validationMessage;
bool isValid = DataTypeValidationRegistry.Validate(interfaceType, dataTypeDescriptor, out validationMessage);
if (!isValid)
{
Log.LogCritical(LogTitle, validationMessage);
throw new InvalidOperationException(validationMessage);
}
Dictionary <SqlDataTypeStoreTableKey, StoreTypeInfo> fields;
helperClassesGenerationInfo = EnsureNeededTypes(dataTypeDescriptor,
dataScopes, allSqlDataTypeStoreDataScopes, dataContextClass,
out fields, ref dataContextRecompilationNeeded, forceCompile);
result.Fields = fields;
return(result);
}
catch (Exception ex)
{
if (interfaceType != null)
{
DataProviderRegistry.RegisterDataTypeInitializationError(interfaceType, ex);
DataProviderRegistry.AddKnownDataType(interfaceType, _dataProviderContext.ProviderName);
Log.LogError(LogTitle, "Failed initialization for the datatype {0}", dataTypeDescriptor.TypeManagerTypeName);
}
Log.LogError(LogTitle, ex);
result.Fields = new Dictionary <SqlDataTypeStoreTableKey, StoreTypeInfo>();
return(result);
}
}
private static void DoInitialize()
{
int startTime = Environment.TickCount;
Guid installationId = InstallationInformationFacade.InstallationId;
Log.LogVerbose(LogTitle, "Initializing the system core - installation id = " + installationId);
using (new LogExecutionTime(LogTitle, "Initialization of the static data types"))
{
DataProviderRegistry.InitializeDataTypes();
}
using (new LogExecutionTime(LogTitle, "Auto update of static data types"))
{
bool typesUpdated = AutoUpdateStaticDataTypes();
if (typesUpdated)
{
using (new LogExecutionTime(LogTitle, "Reinitialization of the static data types"))
{
SqlTableInformationStore.Flush();
DataProviderRegistry.Flush();
DataProviderPluginFacade.Flush();
DataProviderRegistry.InitializeDataTypes();
}
CodeGenerationManager.GenerateCompositeGeneratedAssembly(true);
}
}
using (new LogExecutionTime(LogTitle, "Ensure data stores"))
{
bool dataStoresCreated = DataStoreExistenceVerifier.EnsureDataStores();
if (dataStoresCreated)
{
Log.LogVerbose(LogTitle, "Initialization of the system was halted, performing a flush");
_initializing = false;
GlobalEventSystemFacade.FlushTheSystem();
return;
}
}
using (new LogExecutionTime(LogTitle, "Initializing data process controllers"))
{
ProcessControllerFacade.Initialize_PostDataTypes();
}
using (new LogExecutionTime(LogTitle, "Initializing data type references"))
{
DataReferenceRegistry.Initialize_PostDataTypes();
}
using (new LogExecutionTime(LogTitle, "Initializing data type associations"))
{
DataAssociationRegistry.Initialize_PostDataTypes();
}
using (new LogExecutionTime(LogTitle, "Initializing internal urls"))
{
InternalUrls.Initialize_PostDataTypes();
}
using (new LogExecutionTime(LogTitle, "Initializing functions"))
{
MetaFunctionProviderRegistry.Initialize_PostDataTypes();
}
Log.LogVerbose(LogTitle, "Starting initialization of administrative secondaries");
if (SystemSetupFacade.IsSystemFirstTimeInitialized && !SystemSetupFacade.SetupIsRunning)
{
using (new LogExecutionTime(LogTitle, "Initializing workflow runtime"))
{
WorkflowFacade.EnsureInitialization();
}
}
if (!RuntimeInformation.IsUnittest)
{
using (new LogExecutionTime(LogTitle, "Initializing flow system"))
{
FlowControllerFacade.Initialize();
}
using (new LogExecutionTime(LogTitle, "Initializing console system"))
{
ConsoleFacade.Initialize();
}
}
using (new LogExecutionTime(LogTitle, "Auto installing packages"))
{
DoAutoInstallPackages();
}
using (new LogExecutionTime(LogTitle, "Loading element providers"))
{
ElementProviderLoader.LoadAllProviders();
}
int executionTime = Environment.TickCount - startTime;
Log.LogVerbose(LogTitle, "Done initializing of the system core. ({0} ms)".FormatWith(executionTime));
}
private static List <T> AddNew_AddingMethod <T>(string providerName, IEnumerable <T> dataset, bool suppressEventing, bool performForeignKeyIntegrityCheck, bool performValidation)
where T : class, IData
{
Verify.ArgumentNotNullOrEmpty(providerName, "providerName");
Verify.ArgumentNotNull(dataset, "dataset");
Verify.ArgumentCondition(!dataset.Contains(null), "dataset", "The enumeration may not contain null values");
List <string> writeableProviders = DataProviderRegistry.GetWriteableDataProviderNamesByInterfaceType(typeof(T));
if (!writeableProviders.Contains(providerName))
{
Log.LogVerbose(LogTitle, $"Type data interface '{typeof(T)}' is marked auto updateable and is not supported by the provider '{providerName}', adding it");
DynamicTypeManager.EnsureCreateStore(typeof(T), providerName);
}
writeableProviders = DataProviderRegistry.GetWriteableDataProviderNamesByInterfaceType(typeof(T));
if (!writeableProviders.Contains(providerName))
{
throw new InvalidOperationException($"The writeable data providers '{providerName}' does not support the interface '{typeof(T)}'.");
}
foreach (T data in dataset)
{
if (performValidation)
{
CheckValidationResult(ValidationFacade.Validate <T>(data), typeof(T));
}
if (performForeignKeyIntegrityCheck)
{
data.ValidateForeignKeyIntegrity();
}
}
if (!suppressEventing)
{
foreach (T data in dataset)
{
DataEventSystemFacade.FireDataBeforeAddEvent <T>(data);
}
}
List <T> addedDataset = DataProviderPluginFacade.AddNew <T>(providerName, dataset);
DataCachingFacade.ClearCache(typeof(T), DataScopeManager.MapByType(typeof(T)), LocalizationScopeManager.MapByType(typeof(T)));
if (!suppressEventing)
{
foreach (T data in addedDataset)
{
DataEventSystemFacade.FireDataAfterAddEvent <T>(data);
}
}
return(addedDataset);
}
private void InitializeExistingStores()
{
var xmlDataTypeStoreCreator = new XmlDataTypeStoreCreator(_fileStoreDirectory);
_xmlDataTypeStoresContainer = new XmlDataTypeStoresContainer(_dataProviderContext.ProviderName);
var dataTypes = LoadDataTypes(_dataTypeConfigurationElements);
var storesToLoad = new List <GeneratedTypesInfo>();
foreach (XmlProviderInterfaceConfigurationElement element in _dataTypeConfigurationElements)
{
var dataTypeDescriptor = GetDataTypeDescriptorNotNull(element);
Type interfaceType = null;
try
{
if (!dataTypes.TryGetValue(dataTypeDescriptor.DataTypeId, out interfaceType) || interfaceType == null)
{
Log.LogWarning(LogTitle, "The data interface type '{0}' does not exist and is not code generated. It will not be usable", dataTypeDescriptor.TypeManagerTypeName);
continue;
}
storesToLoad.Add(BuildGeneratedTypesInfo(dataTypeDescriptor, interfaceType, element));
}
catch (Exception ex)
{
if (interfaceType != null)
{
DataProviderRegistry.AddKnownDataType(interfaceType, _dataProviderContext.ProviderName);
}
Log.LogError(LogTitle, "Failed initialization for the datatype {{{0}}}, {1}", dataTypeDescriptor.DataTypeId, dataTypeDescriptor.TypeManagerTypeName);
Log.LogError(LogTitle, ex);
}
}
CompileMissingTypes(storesToLoad);
foreach (var storeToLoad in storesToLoad)
{
try
{
var xmlDataTypeStoreDataScopes = new List <XmlDataTypeStoreDataScope>();
foreach (DataScopeConfigurationElement dataScopeConfigurationElement in storeToLoad.Element.ConfigurationStores)
{
var xmlDataTypeStoreDataScope = new XmlDataTypeStoreDataScope
{
DataScopeName = dataScopeConfigurationElement.DataScope,
CultureName = dataScopeConfigurationElement.CultureName,
ElementName = dataScopeConfigurationElement.ElementName,
Filename = Path.Combine(_fileStoreDirectory, dataScopeConfigurationElement.Filename)
};
xmlDataTypeStoreDataScopes.Add(xmlDataTypeStoreDataScope);
}
XmlDataTypeStore xmlDateTypeStore = xmlDataTypeStoreCreator.CreateStoreResult(storeToLoad.DataTypeDescriptor,
storeToLoad.DataProviderHelperClass, storeToLoad.DataIdClass, xmlDataTypeStoreDataScopes);
AddDataTypeStore(storeToLoad.DataTypeDescriptor, storeToLoad.InterfaceType, xmlDateTypeStore);
}
catch (Exception ex)
{
DataProviderRegistry.AddKnownDataType(storeToLoad.InterfaceType, _dataProviderContext.ProviderName);
Log.LogError(LogTitle, "Failed initialization for the datatype {{{0}}}, {1}", storeToLoad.DataTypeDescriptor.DataTypeId, storeToLoad.DataTypeDescriptor.TypeManagerTypeName);
Log.LogError(LogTitle, ex);
}
}
}
public IQueryable <T> GetData <T>(bool useCaching, IEnumerable <string> providerNames)
where T : class, IData
{
IQueryable <T> resultQueryable;
if (DataProviderRegistry.AllInterfaces.Contains(typeof(T)))
{
if (useCaching && DataCachingFacade.IsDataAccessCacheEnabled(typeof(T)))
{
resultQueryable = DataCachingFacade.GetDataFromCache <T>();
}
else
{
if (providerNames == null)
{
providerNames = DataProviderRegistry.GetDataProviderNamesByInterfaceType(typeof(T));
}
List <IQueryable <T> > queryables = new List <IQueryable <T> >();
foreach (string providerName in providerNames)
{
IQueryable <T> queryable = DataProviderPluginFacade.GetData <T>(providerName);
queryables.Add(queryable);
}
bool resultIsCached = queryables.Count == 1 && queryables[0] is ICachedQuery;
if (resultIsCached)
{
resultQueryable = queryables[0];
}
else
{
var multipleSourceQueryable = new DataFacadeQueryable <T>(queryables);
resultQueryable = multipleSourceQueryable;
}
}
}
else
{
DataProviderRegistry.CheckInitializationErrors(typeof(T));
if (!typeof(T).GetCustomInterfaceAttributes <AutoUpdatebleAttribute>().Any())
{
throw new ArgumentException(string.Format("The given interface type ({0}) is not supported by any data providers", typeof(T)));
}
resultQueryable = new List <T>().AsQueryable();
}
DataInterceptor dataInterceptor;
this.DataInterceptors.TryGetValue(typeof(T), out dataInterceptor);
if (dataInterceptor != null)
{
try
{
resultQueryable = dataInterceptor.InterceptGetData <T>(resultQueryable);
}
catch (Exception ex)
{
Log.LogError(LogTitle, "Calling data interceptor failed with the following exception");
Log.LogError(LogTitle, ex);
}
}
return(resultQueryable);
}
