/// <exclude />
internal static IQueryable <T> GetDataFromCache <T>(Func <IQueryable <T> > getQueryFunc)
where T : class, IData
{
Verify.That(_isEnabled, "The cache is disabled.");
DataScopeIdentifier dataScopeIdentifier = DataScopeManager.MapByType(typeof(T));
CultureInfo localizationScope = LocalizationScopeManager.MapByType(typeof(T));
var typeData = _cachedData.GetOrAdd(typeof(T), t => new TypeData());
var dataScopeData = typeData.GetOrAdd(dataScopeIdentifier, scope => new ConcurrentDictionary <CultureInfo, CachedTable>());
CachedTable cachedTable;
if (!dataScopeData.TryGetValue(localizationScope, out cachedTable))
{
IQueryable <T> wholeTable = getQueryFunc();
if (!DataProvidersSupportDataWrapping(typeof(T)))
{
DisableCachingForType(typeof(T));
return(Verify.ResultNotNull(wholeTable));
}
if (_maximumSize != -1)
{
List <IData> cuttedTable = TakeElements(wholeTable, _maximumSize + 1);
if (cuttedTable.Count > _maximumSize)
{
DisableCachingForType(typeof(T));
return(Verify.ResultNotNull(wholeTable));
}
cachedTable = new CachedTable(cuttedTable.Cast <T>().AsQueryable());
}
else
{
cachedTable = new CachedTable(wholeTable.Evaluate().AsQueryable());
}
dataScopeData[localizationScope] = cachedTable;
}
var typedData = cachedTable.Queryable as IQueryable <T>;
Verify.IsNotNull(typedData, "Cached value is invalid.");
// Leaving a possibility to extract original query
Func <IQueryable> originalQueryGetter = () =>
{
using (new DataScope(dataScopeIdentifier, localizationScope))
{
return(getQueryFunc());
}
};
return(new CachingQueryable <T>(cachedTable, originalQueryGetter));
}
public XmlDataTypeStoreDataScope GetDataScopeForType(Type type)
{
var currentDataScope = DataScopeManager.MapByType(type);
var culture = LocalizationScopeManager.MapByType(type);
return(GetDataScope(currentDataScope, culture, type));
}
private static XElement AddData(DataType dataType, CultureInfo cultureInfo)
{
XElement datasElement = new XElement("Datas");
if (cultureInfo != null)
{
datasElement.Add(new XAttribute("locale", cultureInfo.Name));
}
foreach (XElement addElement in dataType.Dataset)
{
IData data = DataFacade.BuildNew(dataType.InterfaceType);
if (!dataType.InterfaceType.IsInstanceOfType(data))
{
dataType.InterfaceType = GetInstalledVersionOfPendingType(dataType.InterfaceType, data);
}
var properties = GetDataTypeProperties(dataType.InterfaceType);
foreach (XAttribute attribute in addElement.Attributes())
{
string fieldName = attribute.Name.LocalName;
if (IsObsoleteField(dataType, fieldName))
{
continue;
}
PropertyInfo propertyInfo = properties[fieldName];
propertyInfo.SetValue(data, ValueTypeConverter.Convert(attribute.Value, propertyInfo.PropertyType), null);
}
ILocalizedControlled localizedControlled = data as ILocalizedControlled;
if (localizedControlled != null)
{
localizedControlled.SourceCultureName = LocalizationScopeManager.MapByType(dataType.InterfaceType).Name;
}
DataFacade.AddNew(data, false, true, false); // Ignore validation, this should have been done in the validation face
XElement keysElement = new XElement("Keys");
foreach (PropertyInfo propertyInfo in data.GetKeyProperties())
{
string keyName = propertyInfo.Name;
object keyValue = propertyInfo.GetValue(data, null);
XElement keyElement = new XElement("Key",
new XAttribute("name", keyName),
new XAttribute("value", keyValue));
keysElement.Add(keyElement);
}
datasElement.Add(keysElement);
}
return(datasElement);
}
private SqlDataTypeStoreTableKey GetTableKey()
{
string dataScope = DataScopeManager.MapByType(InterfaceType).Name;
string cultureInfo = LocalizationScopeManager.MapByType(InterfaceType).Name;
return(new SqlDataTypeStoreTableKey(dataScope, cultureInfo));
}
/// <exclude />
public Func <XElement, T> CreateSelectFunction <T>(string providerName) where T : IData
{
Type type = typeof(T);
var cache = _selectFunctionCache[typeof(T)];
if (cache == null)
{
lock (_selectFunctionCache)
{
cache = _selectFunctionCache[type];
if (cache == null)
{
cache = new Hashtable <string, Delegate>();
_selectFunctionCache.Add(type, cache);
}
}
}
CultureInfo cultureInfo = LocalizationScopeManager.MapByType(type);
DataScopeIdentifier dataScopeIdentifier = DataScopeManager.MapByType(type);
string cacheKey = cultureInfo + "|" + dataScopeIdentifier.Name;
Delegate result = cache[cacheKey];
if (result == null)
{
lock (this)
{
result = cache[cacheKey];
if (result == null)
{
// element => new [WrapperClass](element, new DataSourceId(new [DataIdClass](element), providerName, type, dataScope, localizationScope)), element
ParameterExpression parameterExpression = Expression.Parameter(typeof(XElement), "element");
result = Expression.Lambda <Func <XElement, T> >(
Expression.New(_wrapperClassConstructor,
new Expression[]
{
parameterExpression,
Expression.New(GeneretedClassesMethodCache.DataSourceIdConstructor2,
new Expression[]
{
Expression.New(_idClassConstructor, new Expression[] { parameterExpression }),
Expression.Constant(providerName, typeof(string)),
Expression.Constant(type, typeof(Type)),
Expression.Constant(dataScopeIdentifier, typeof(DataScopeIdentifier)),
Expression.Constant(cultureInfo, typeof(CultureInfo))
})
}), new[] { parameterExpression }).Compile();
cache.Add(cacheKey, result);
}
}
}
return((Func <XElement, T>)result);
}
private string GetCacheKey(TPropertyType key)
{
string dataScope = DataScopeManager.MapByType(typeof(TDataType)).ToString();
string result = key + dataScope;
if (_typeIsLocalizable)
{
result += LocalizationScopeManager.MapByType(typeof(TDataType)).ToString();
}
return(result);
}
internal static void ClearCache(Type interfaceType, DataScopeIdentifier dataScopeIdentifier, CultureInfo localizationScope)
{
TypeData typeData;
if (!_cachedData.TryGetValue(interfaceType, out typeData))
{
return;
}
dataScopeIdentifier = dataScopeIdentifier ?? DataScopeManager.MapByType(interfaceType);
localizationScope = localizationScope ?? LocalizationScopeManager.MapByType(interfaceType);
var key = new Tuple <DataScopeIdentifier, CultureInfo>(dataScopeIdentifier, localizationScope);
CachedTable value;
typeData.TryRemove(key, out value);
}
public void WrapperAction(TSource source)
{
var originalHttpContext = HttpContext.Current;
bool dataScopePushed = false;
bool languageScopePushed = false;
var currentThread = System.Threading.Thread.CurrentThread;
CultureInfo originalCulture = currentThread.CurrentCulture;
CultureInfo originalUiCulture = currentThread.CurrentUICulture;
using (ThreadDataManager.Initialize(_parentData))
{
try
{
DataScopeManager.EnterThreadLocal();
if (DataScopeManager.CurrentDataScope != _parentThreadDataScope)
{
DataScopeManager.PushDataScope(_parentThreadDataScope);
dataScopePushed = true;
}
LocalizationScopeManager.EnterThreadLocal();
if (LocalizationScopeManager.CurrentLocalizationScope != _parentThreadLocale)
{
LocalizationScopeManager.PushLocalizationScope(_parentThreadLocale);
languageScopePushed = true;
}
HttpContext.Current = _parentThreadHttpContext;
currentThread.CurrentCulture = _parentThreadCulture;
currentThread.CurrentUICulture = _parentThreadUiCulture;
try
{
_body(source);
}
catch (ThreadAbortException threadAbort)
{
object state = threadAbort.ExceptionState;
if (state != null)
{
Thread.ResetAbort();
// Throwing another exception because Thread.ResetAbort clears ThreadAbortException.ExceptionState
throw new RethrowableThreadAbortException(state);
}
}
}
finally
{
currentThread.CurrentCulture = originalCulture;
currentThread.CurrentUICulture = originalUiCulture;
HttpContext.Current = originalHttpContext;
if (dataScopePushed)
{
DataScopeManager.PopDataScope();
}
if (languageScopePushed)
{
LocalizationScopeManager.PopLocalizationScope();
}
DataScopeManager.ExitThreadLocal();
LocalizationScopeManager.ExitThreadLocal();
}
}
}
private XElement AddData(DataType dataType, CultureInfo cultureInfo)
{
XElement datasElement = new XElement("Datas");
if (cultureInfo != null)
{
datasElement.Add(new XAttribute("locale", cultureInfo.Name));
}
foreach (XElement addElement in dataType.Dataset)
{
var interfaceType = dataType.InterfaceType;
IData data = DataFacade.BuildNew(interfaceType);
if (!dataType.InterfaceType.IsInstanceOfType(data))
{
dataType.InterfaceType = GetInstalledVersionOfPendingType(interfaceType, data);
}
var dataKey = CopyFieldValues(dataType, data, addElement);
if (dataType.AllowOverwrite || dataType.OnlyUpdate)
{
IData existingData = DataFacade.TryGetDataByUniqueKey(interfaceType, dataKey);
if (existingData != null)
{
CopyFieldValues(dataType, existingData, addElement);
DataFacade.Update(existingData, false, true, false);
continue;
}
if (dataType.OnlyUpdate)
{
continue;
}
}
ILocalizedControlled localizedControlled = data as ILocalizedControlled;
if (localizedControlled != null)
{
localizedControlled.SourceCultureName = LocalizationScopeManager.MapByType(interfaceType).Name;
}
if (data is IVersioned)
{
UpdateVersionId((IVersioned)data);
}
DataFacade.AddNew(data, false, true, false); // Ignore validation, this should have been done in the validation face
XElement keysElement = new XElement("Keys");
foreach (PropertyInfo propertyInfo in data.GetKeyProperties())
{
string keyName = propertyInfo.Name;
object keyValue = propertyInfo.GetValue(data, null);
XElement keyElement = new XElement("Key",
new XAttribute("name", keyName),
new XAttribute("value", keyValue));
keysElement.Add(keyElement);
}
datasElement.Add(keysElement);
}
return(datasElement);
}
private XElement AddData(DataType dataType, CultureInfo cultureInfo)
{
XElement datasElement = new XElement("Datas");
if (cultureInfo != null)
{
datasElement.Add(new XAttribute("locale", cultureInfo.Name));
}
foreach (XElement addElement in dataType.Dataset)
{
var interfaceType = dataType.InterfaceType;
IData data = DataFacade.BuildNew(interfaceType);
if (!dataType.InterfaceType.IsInstanceOfType(data))
{
dataType.InterfaceType = GetInstalledVersionOfPendingType(interfaceType, data);
}
var dataKey = PopulateAndReturnKeyPropertyValues(dataType, data, addElement);
if (dataType.AllowOverwrite || dataType.OnlyUpdate)
{
List <IData> existingDataList = DataFacade.TryGetDataByLookupKeys(interfaceType, dataKey).ToList();
if (existingDataList.Count > 1)
{
throw new InvalidOperationException("Got more than 1 existing data element when querying on key properties for " + addElement.ToString());
}
IData existingData = existingDataList.FirstOrDefault();
if (existingData != null)
{
PopulateAndReturnKeyPropertyValues(dataType, existingData, addElement);
DataFacade.Update(existingData, false, true, false);
continue;
}
if (dataType.OnlyUpdate)
{
continue;
}
}
if (data is ILocalizedControlled localizedControlled)
{
localizedControlled.SourceCultureName = LocalizationScopeManager.MapByType(interfaceType).Name;
}
if (data is IVersioned versionedData)
{
UpdateVersionId(versionedData);
}
DataFacade.AddNew(data, false, true, false); // Ignore validation, this should have been done in the validation face
XElement keysElement = new XElement("Keys");
foreach (PropertyInfo propertyInfo in data.GetKeyProperties())
{
string keyName = propertyInfo.Name;
object keyValue = propertyInfo.GetValue(data, null);
XElement keyElement = new XElement("Key",
new XAttribute("name", keyName),
new XAttribute("value", keyValue));
keysElement.Add(keyElement);
}
datasElement.Add(keysElement);
}
return(datasElement);
}
/// <exclude />
internal static IQueryable <T> GetDataFromCache <T>(Func <IQueryable <T> > getQueryFunc)
where T : class, IData
{
Verify.That(_isEnabled, "The cache is disabled.");
DataScopeIdentifier dataScopeIdentifier = DataScopeManager.MapByType(typeof(T));
CultureInfo localizationScope = LocalizationScopeManager.MapByType(typeof(T));
var cachedDataset = _resourceLocker.Resources.CachedData;
Hashtable <DataScopeIdentifier, Hashtable <CultureInfo, CachedTable> > dataScopeData;
if (!cachedDataset.TryGetValue(typeof(T), out dataScopeData))
{
using (_resourceLocker.Locker)
{
if (!cachedDataset.TryGetValue(typeof(T), out dataScopeData))
{
dataScopeData = new Hashtable <DataScopeIdentifier, Hashtable <CultureInfo, CachedTable> >();
cachedDataset.Add(typeof(T), dataScopeData);
}
}
}
Hashtable <CultureInfo, CachedTable> localizationScopeData;
if (!dataScopeData.TryGetValue(dataScopeIdentifier, out localizationScopeData))
{
using (_resourceLocker.Locker)
{
if (!dataScopeData.TryGetValue(dataScopeIdentifier, out localizationScopeData))
{
localizationScopeData = new Hashtable <CultureInfo, CachedTable>();
dataScopeData.Add(dataScopeIdentifier, localizationScopeData);
}
}
}
CachedTable cachedTable;
if (!localizationScopeData.TryGetValue(localizationScope, out cachedTable))
{
IQueryable <T> wholeTable = getQueryFunc();
if (!DataProvidersSupportDataWrapping(typeof(T)))
{
DisableCachingForType(typeof(T));
return(Verify.ResultNotNull(wholeTable));
}
if (_maximumSize != -1)
{
List <IData> cuttedTable = TakeElements(wholeTable, _maximumSize + 1);
if (cuttedTable.Count > _maximumSize)
{
DisableCachingForType(typeof(T));
return(Verify.ResultNotNull(wholeTable));
}
cachedTable = new CachedTable(cuttedTable.Cast <T>().AsQueryable());
}
else
{
cachedTable = new CachedTable(wholeTable.Evaluate().AsQueryable());
}
using (_resourceLocker.Locker)
{
if (!localizationScopeData.ContainsKey(localizationScope))
{
localizationScopeData.Add(localizationScope, cachedTable);
}
}
}
var typedData = cachedTable.Queryable as IQueryable <T>;
Verify.IsNotNull(typedData, "Cached value is invalid.");
// Leaving a possibility to extract original query
Func <IQueryable> originalQueryGetter = () =>
{
using (new DataScope(dataScopeIdentifier, localizationScope))
{
return(getQueryFunc());
}
};
return(new CachingQueryable <T>(cachedTable, originalQueryGetter));
}
private static string GetKey(Type type)
{
return(GetKey(type, DataScopeManager.MapByType(type), LocalizationScopeManager.MapByType(type)));
}
/// <exclude />
public DataSourceId CreateDataSourceId(IDataId dataId, Type interfaceType)
{
Verify.ArgumentNotNull(dataId, "dataId");
Verify.ArgumentNotNull(interfaceType, "interfaceType");
Verify.ArgumentCondition(typeof(IData).IsAssignableFrom(interfaceType), "interfaceType", "The interface type '{0}' does not inherit the interface '{1}'".FormatWith(interfaceType, typeof(IData)));
return(new DataSourceId(dataId, _providerName, interfaceType, DataScopeManager.MapByType(interfaceType), LocalizationScopeManager.MapByType(interfaceType)));
}
