private static IEnumerable<Type> GetQueryHandlers(Reflection.Assembly assembly)
{
return from t in assembly.GetTypes()
from i in t.GetInterfaces()
where i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IQueryHandler<>)
select t;
}
private InjecteeCollection GetInjectees(SR.Assembly targetAssembly, SR.Assembly injectionAssembly)
{
_classInjectees = new List<TypeInjecteeBase>();
var injectees = new InjecteeCollection();
var injectionAssemblyTypes = injectionAssembly.GetTypes();
foreach (var injectionType in injectionAssemblyTypes)
{
var classAttrs = injectionType.GetCustomAttributes(typeof(InjectionAttributeBase), false);
if (classAttrs.Count(a => a != null) >= 2)
throw new InvalidOperationException("Can not define multiple class attributes for the same class");
var classAttr = classAttrs.Select(a => a as ITypeAttribute).FirstOrDefault(a => a != null);
if (classAttr == null)
continue;
if (classAttr is TypeAddInjectionAttribute)
{
var classAddInjectee = (TypeAddInjectee)classAttr.GetInjectee(null, injectionType);
if (!String.IsNullOrEmpty(classAddInjectee.Attr.ParentFullName))
classAddInjectee.ParentType = targetAssembly.GetType(classAddInjectee.Attr.ParentFullName, true);
injectees.Add(classAddInjectee);
_classInjectees.Add(classAddInjectee);
}
else
{
var name = !String.IsNullOrEmpty(classAttr.FullName) ? classAttr.FullName : injectionType.GetNormalizedName();
var targetType = targetAssembly.GetType(name, true);
var baseClassInjectee = classAttr.GetInjectee(targetType, injectionType);
injectees.Add(baseClassInjectee);
_classInjectees.Add(baseClassInjectee);
}
}
foreach (var baseClassInjectee in _classInjectees)
{
var classInjectee = baseClassInjectee as TypeInjectee;
if (classInjectee != null)
{
foreach (var field in classInjectee.InjecteeType.GetFields(BINDING_FLAGS))
{
var fieldAttrs = field.GetCustomAttributes(typeof(InjectionAttributeBase), false);
if (fieldAttrs.Count(a => a != null) >= 2)
throw new InvalidOperationException("Can not define multiple field attributes for the same field");
var fieldAttr = fieldAttrs.Select(a => a as IFieldAttribute).FirstOrDefault(a => a != null);
if (fieldAttr == null)
continue;
var targetField = GetTargetField(fieldAttr, classInjectee.TargetType, field);
var fieldInjectee = fieldAttr.GetInjectee(targetField, field, classInjectee);
classInjectee.Injectees.Add(fieldInjectee);
}
foreach (var method in classInjectee.InjecteeType.GetMethods(BINDING_FLAGS))
{
var methodAttrs = method.GetCustomAttributes(typeof(InjectionAttributeBase), false);
if (methodAttrs.Count(a => a != null) >= 2)
throw new InvalidOperationException("Can not define multiple method attributes for the same method");
var methodAttr = methodAttrs.Select(a => a as IMethodAttribute).FirstOrDefault(a => a != null);
if (methodAttr == null)
continue;
var targetMethod = GetTargetMethod(methodAttr, classInjectee.TargetType, method);
var methodInjectee = methodAttr.GetInjectee(targetMethod, method, classInjectee);
classInjectee.Injectees.Add(methodInjectee);
}
}
}
return injectees;
}
private static Type[] GetTypes(SR.Assembly assembly)
{
IEnumerable<Type> types;
try
{
types = assembly.GetTypes();
}
catch (ReflectionTypeLoadException e)
{
types = e.Types;
}
return types.Where(t => t != null).ToArray();
}