public static Type GetGenericInheritor(this Type parentType, Type[] parameterType)
{
HashSet <Assembly> assemblies = new HashSet <Assembly> {
Assembly.GetAssembly(parentType)
};
for (int i = 0; i < parameterType.Length; i++)
{
if (parameterType[i] != null)
{
assemblies.Add(Assembly.GetAssembly(parameterType[i]));
}
}
List <Type> types = new List <Type>();
foreach (var assembly in assemblies)
{
types.AddRange(assembly.GetTypes());
}
foreach (Type type in types)
{
if (type.IsClass && !type.IsAbstract && type.BaseType != null && type.BaseType.IsGenericType &&
type.BaseType.GetGenericTypeDefinition() == parentType)
{
var hierarchy = TypeExt.GetGenericHierarchy(type.BaseType.ToString());
if (hierarchy.Length != parameterType.Length)
{
continue;
}
bool parametersMatch = true;
for (var i = 0; i < parameterType.Length; i++)
{
if (parameterType[i] != hierarchy[i])
{
parametersMatch = false;
break;
}
}
if (parametersMatch)
{
return(type);
}
}
}
return(null);
}
public static Type[] GetGenericHierarchy(string fullName)
{
const char openChar = '[';
const char closeChar = ']';
List <Type> types = new List <Type>();
var v = fullName.Split(new [] { openChar, closeChar }, StringSplitOptions.RemoveEmptyEntries);
foreach (var s in v)
{
types.Add(TypeExt.GetType(s));
}
types.RemoveAt(0);
return(types.Count > 0 ? types.ToArray() : null);
}