TypeHandler RegisterArrayType(uint oid, TypeHandler elementHandler, char textDelimiter)
{
ArrayHandler arrayHandler;
var asBitStringHandler = elementHandler as BitStringHandler;
if (asBitStringHandler != null)
{
// BitString requires a special array handler which returns bool or BitArray
arrayHandler = new BitStringArrayHandler(asBitStringHandler, textDelimiter);
}
else if (elementHandler is ITypeHandlerWithPsv)
{
var arrayHandlerType = typeof(ArrayHandlerWithPsv <,>).MakeGenericType(elementHandler.GetFieldType(), elementHandler.GetProviderSpecificFieldType());
arrayHandler = (ArrayHandler)Activator.CreateInstance(arrayHandlerType, elementHandler, textDelimiter);
}
else
{
var arrayHandlerType = typeof(ArrayHandler <>).MakeGenericType(elementHandler.GetFieldType());
arrayHandler = (ArrayHandler)Activator.CreateInstance(arrayHandlerType, elementHandler, textDelimiter);
}
arrayHandler.PgName = "array";
arrayHandler.OID = oid;
_oidIndex[oid] = arrayHandler;
return(arrayHandler);
}
void ActivateEnumType(TypeHandler handler, BackendType backendType)
{
handler.PgName = backendType.Name;
handler.OID = backendType.OID;
handler.NpgsqlDbType = NpgsqlDbType.Enum;
_oidIndex[backendType.OID] = handler;
_byType[handler.GetFieldType()] = handler;
if (backendType.Array != null)
{
RegisterArrayType(backendType.Array);
}
}
void ActivateEnumType(TypeHandler handler, BackendType backendType)
{
handler.PgName = backendType.Name;
handler.OID = backendType.OID;
handler.NpgsqlDbType = NpgsqlDbType.Enum;
_oidIndex[backendType.OID] = handler;
_byType[handler.GetFieldType()] = handler;
if (backendType.ArrayOID != 0)
{
var arrayHandler = RegisterArrayType(backendType.ArrayOID, handler, backendType.ArrayTextDelimiter);
if (_byEnumTypeAsArray == null)
{
_byEnumTypeAsArray = new Dictionary <Type, TypeHandler>();
}
var enumType = handler.GetType().GetGenericArguments()[0];
Contract.Assert(enumType.IsEnum);
_byEnumTypeAsArray[enumType] = arrayHandler;
}
}
