public StoreLakeDbServer RegisterCommandHandlerMethods(Type accessorType, Type handlerType)
{
var mis = handlerType.GetMethods(
//System.Reflection.BindingFlags.Public
// | System.Reflection.BindingFlags.Instance
// | System.Reflection.BindingFlags.Static
// | System.Reflection.BindingFlags.FlattenHierarchy
);
foreach (var mi in mis)
{
if (mi.DeclaringType == typeof(object))
{
// skip 'Equals', 'ToString', 'GetHashCode'
}
else
{
TypedMethodHandler handler = TryUseHandlerMethod(accessorType, handlerType, mi);
if (handler != null)
{
RegisterCommandExecutionHandler(handler);
}
}
}
return(this);
}
private static TypedMethodHandler TryUseHandlerMethod(Type accessorType, Type methodOwner, System.Reflection.MethodInfo mi)
{
System.Reflection.MethodInfo accessor_method = accessorType.GetMethod(mi.Name);
if (accessor_method == null)
{
//return null; // this Handle Method does not handle accessor's method;
throw new InvalidOperationException("Access method '" + mi.Name + "' on type '" + accessorType.Name + "' could not be found.");
}
var prms = mi.GetParameters();
if (prms.Length == 0)
{
return(null);
}
var prm0 = prms[0];
IComparable handlerCommandText = StoreLakeDao.TryGetCommandText(methodOwner, mi.Name);
if (handlerCommandText == null)
{
// no command handler here. try an accessor type - (from attribute?)?
handlerCommandText = StoreLakeDao.TryGetCommandText(accessorType, mi.Name);
if (handlerCommandText == null)
{
//System.Reflection.MethodInfo accessor_method_x = accessorType.GetMethod(mi.Name);
//if (accessor_method == null)
//{
// return null;
//}
throw new InvalidOperationException(TypedMethodHandler.BuildMismatchMethodExpectionText(mi, accessor_method, "CommandText field '" + mi.Name + "CommandText' could not be found."));
}
}
var handler = new TypedMethodHandler(mi, false, handlerCommandText);
if (handler.ValidateReadMethodX(accessor_method))
{
return(handler);
}
return(null);
}
public void RegisterAddedCommandHandlerContract(DataSet db, Type contractType, Type implementationType)
{
//foreach (Type contractType in contracts)
{
//Type implementationType = db.GetCommandExecuteHandlerTypeForContract(contractType);
if (!contractType.IsAssignableFrom(implementationType))
{
throw new InvalidOperationException("Handler type does not match registered contract type. Expected:" + contractType.AssemblyQualifiedName + ", Actual:" + implementationType.AssemblyQualifiedName);
}
//string schemaName = db.GetCommandExecuteHandlerSchemaForContract(contractType);
string schemaName = string.IsNullOrEmpty(db.Namespace) ? "dbo" : db.Namespace;
Type methodOwner = contractType;
foreach (var mi in implementationType.GetMethods())
{
if (mi.DeclaringType == typeof(object))
{
// skip
}
else
{
IComparable handlerCommandText = StoreLakeDao.TryGetCommandText(methodOwner, mi.Name);
bool isProcedureHandler = false;
if (handlerCommandText == null)
{
isProcedureHandler = true;
handlerCommandText = '[' + schemaName + "].[" + mi.Name + ']'; // procedure name
}
var handler = new TypedMethodHandler(mi, isProcedureHandler, handlerCommandText);
if (handler.ValidateReadMethodX(mi))
{
RegisterCommandExecutionHandler(handler);
}
}
}
}
}
