/// <summary>
/// Creates and returns the metadata provider for the specified DataController Type.
/// </summary>
/// <param name="dataControllerType">The DataController Type.</param>
/// <returns>The metadata provider.</returns>
internal static MetadataProvider CreateMetadataProvider(Type dataControllerType)
{
// construct a list of all types in the inheritance hierarchy for the controller
List <Type> baseTypes = new List <Type>();
Type currType = dataControllerType;
while (currType != typeof(DataController))
{
baseTypes.Add(currType);
currType = currType.BaseType;
}
// create our base reflection provider
List <MetadataProvider> providerList = new List <MetadataProvider>();
ReflectionMetadataProvider reflectionProvider = new ReflectionMetadataProvider();
// Set the IsEntity function which consults the chain of providers.
Func <Type, bool> isEntityTypeFunc = (t) => providerList.Any(p => p.LookUpIsEntityType(t));
reflectionProvider.SetIsEntityTypeFunc(isEntityTypeFunc);
// Now from most derived to base, create any declared metadata providers,
// chaining the instances as we progress. Note that ordering from derived to
// base is important - we want to ensure that any providers the user has placed on
// their DataController directly come before any DAL providers.
MetadataProvider currProvider = reflectionProvider;
providerList.Add(currProvider);
for (int i = 0; i < baseTypes.Count; i++)
{
currType = baseTypes[i];
// Reflection rather than TD is used here so we only get explicit
// Type attributes. TD inherits attributes by default, even if the
// attributes aren't inheritable.
foreach (MetadataProviderAttribute providerAttribute in
currType.GetCustomAttributes(typeof(MetadataProviderAttribute), false))
{
currProvider = providerAttribute.CreateProvider(dataControllerType, currProvider);
currProvider.SetIsEntityTypeFunc(isEntityTypeFunc);
providerList.Add(currProvider);
}
}
return(currProvider);
}
/// <summary>
/// Creates and returns the metadata provider for the specified DataController Type.
/// </summary>
/// <param name="dataControllerType">The DataController Type.</param>
/// <returns>The metadata provider.</returns>
internal static MetadataProvider CreateMetadataProvider(Type dataControllerType)
{
// construct a list of all types in the inheritance hierarchy for the controller
List<Type> baseTypes = new List<Type>();
Type currType = dataControllerType;
while (currType != typeof(DataController))
{
baseTypes.Add(currType);
currType = currType.BaseType;
}
// create our base reflection provider
List<MetadataProvider> providerList = new List<MetadataProvider>();
ReflectionMetadataProvider reflectionProvider = new ReflectionMetadataProvider();
// Set the IsEntity function which consults the chain of providers.
Func<Type, bool> isEntityTypeFunc = (t) => providerList.Any(p => p.LookUpIsEntityType(t));
reflectionProvider.SetIsEntityTypeFunc(isEntityTypeFunc);
// Now from most derived to base, create any declared metadata providers,
// chaining the instances as we progress. Note that ordering from derived to
// base is important - we want to ensure that any providers the user has placed on
// their DataController directly come before any DAL providers.
MetadataProvider currProvider = reflectionProvider;
providerList.Add(currProvider);
for (int i = 0; i < baseTypes.Count; i++)
{
currType = baseTypes[i];
// Reflection rather than TD is used here so we only get explicit
// Type attributes. TD inherits attributes by default, even if the
// attributes aren't inheritable.
foreach (MetadataProviderAttribute providerAttribute in
currType.GetCustomAttributes(typeof(MetadataProviderAttribute), false))
{
currProvider = providerAttribute.CreateProvider(dataControllerType, currProvider);
currProvider.SetIsEntityTypeFunc(isEntityTypeFunc);
providerList.Add(currProvider);
}
}
return currProvider;
}
/// <summary>
///
/// </summary>
public StandardMetadataProvider()
{
this.reflectionProvider = new ReflectionMetadataProvider();
this.dynamicProvider = new DynamicMetadataProvider(this.reflectionProvider);
}
public void TestInitialize()
{
this.metadataProvider = new ReflectionMetadataProvider();
}