/// <summary>
/// Recupera os tipos que implementam os exports do tipo informado.
/// </summary>
/// <param name="type">Tipo que será analisado.</param>
/// <param name="contractName"></param>
/// <returns></returns>
public IEnumerable <Type> GetExportTypes(Type type, string contractName)
{
IEnumerable <System.ComponentModel.Composition.Primitives.ExportDefinition> definitions = null;
if (ExportProviderExtensions.TryGetExportDefintions(_exportProvider, type, contractName, out definitions))
{
foreach (var definition in definitions)
{
var providerDefintion = definition as ProviderExportDefinition;
if (providerDefintion != null)
{
var member = providerDefintion.Member;
switch (member.MemberType)
{
case System.Reflection.MemberTypes.Field:
yield return(((System.Reflection.FieldInfo)member).FieldType);
break;
case System.Reflection.MemberTypes.Method:
yield return(((System.Reflection.MethodInfo)member).ReturnType);
break;
case System.Reflection.MemberTypes.Property:
yield return(((System.Reflection.PropertyInfo)member).PropertyType);
break;
case System.Reflection.MemberTypes.Constructor:
yield return(((System.Reflection.ConstructorInfo)member).DeclaringType);
break;
case System.Reflection.MemberTypes.NestedType:
case System.Reflection.MemberTypes.TypeInfo:
yield return((Type)member);
break;
}
}
}
}
}
/// <summary>
/// Pré-configura os exports do tipo informado.
/// </summary>
/// <param name="type"></param>
/// <param name="contractName"></param>
/// <param name="result"></param>
public void PreConfigure(Type type, string contractName, out PreConfigureResult result)
{
var notFoundTypes = new List <Type>();
var types = new List <Type>()
{
type
};
for (var i = 0; i < types.Count; i++)
{
IEnumerable <System.ComponentModel.Composition.Primitives.ExportDefinition> definitions = null;
if (ExportProviderExtensions.TryGetExportDefintions(_exportProvider, types[i], contractName, out definitions))
{
foreach (var definition in definitions)
{
var providerDefintion = definition as ProviderExportDefinition;
if (providerDefintion != null)
{
var member = providerDefintion.Member;
if (member is System.Reflection.ConstructorInfo)
{
var ci = (System.Reflection.ConstructorInfo)member;
foreach (var parameter in ci.GetParameters())
{
if (!types.Contains(parameter.ParameterType))
{
types.Add(parameter.ParameterType);
}
}
}
}
}
}
else
{
notFoundTypes.Add(types[i]);
}
contractName = null;
}
result = new PreConfigureResult(notFoundTypes.Count == 0, notFoundTypes.ToArray());
}
