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 RegisterArrayType(BackendType backendType)
{
Contract.Requires(backendType.Element != null);
TypeHandler elementHandler;
if (!_oidIndex.TryGetValue(backendType.Element.OID, out elementHandler))
{
// Array type referring to an unhandled element type
return;
}
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);
}
else if (elementHandler is ITypeHandlerWithPsv)
{
var arrayHandlerType = typeof(ArrayHandlerWithPsv <,>).MakeGenericType(elementHandler.GetFieldType(), elementHandler.GetProviderSpecificFieldType());
arrayHandler = (ArrayHandler)Activator.CreateInstance(arrayHandlerType, elementHandler);
}
else
{
var arrayHandlerType = typeof(ArrayHandler <>).MakeGenericType(elementHandler.GetFieldType());
arrayHandler = (ArrayHandler)Activator.CreateInstance(arrayHandlerType, elementHandler);
}
arrayHandler.PgName = "array";
arrayHandler.OID = backendType.OID;
_oidIndex[backendType.OID] = arrayHandler;
if (elementHandler is IEnumHandler)
{
if (_byEnumTypeAsArray == null)
{
_byEnumTypeAsArray = new Dictionary <Type, TypeHandler>();
}
var enumType = elementHandler.GetType().GetGenericArguments()[0];
Contract.Assert(enumType.GetTypeInfo().IsEnum);
_byEnumTypeAsArray[enumType] = arrayHandler;
}
else
{
_byNpgsqlDbType[NpgsqlDbType.Array | elementHandler.NpgsqlDbType] = arrayHandler;
}
}