static IDictionary <string, MethodInfo> FindApartFields(Type interfaceType, RelationVersionInfo versionInfo)
{
var result = new Dictionary <string, MethodInfo>();
var pks = versionInfo.GetPrimaryKeyFields().ToDictionary(tfi => tfi.Name, tfi => tfi);
var methods = interfaceType.GetMethods();
for (var i = 0; i < methods.Length; i++)
{
var method = methods[i];
if (!method.Name.StartsWith("get_"))
{
continue;
}
var name = method.Name.Substring(4);
TableFieldInfo tfi;
if (!pks.TryGetValue(name, out tfi))
{
throw new BTDBException($"Property {name} is not part of primary key.");
}
if (method.ReturnType != tfi.Handler.HandledType())
{
throw new BTDBException($"Property {name} has different return type then member of primary key with the same name.");
}
result.Add(name, method);
}
return(result);
}
static void CheckThatPrimaryKeyHasNotChanged(string name, RelationVersionInfo info, RelationVersionInfo previousInfo)
{
var pkFields = info.GetPrimaryKeyFields();
var prevPkFields = previousInfo.GetPrimaryKeyFields();
if (pkFields.Count != prevPkFields.Count)
{
throw new BTDBException($"Change of primary key in relation '{name}' is not allowed. Field count {pkFields.Count} != {prevPkFields.Count}.");
}
var en = pkFields.GetEnumerator();
var pen = prevPkFields.GetEnumerator();
while (en.MoveNext() && pen.MoveNext())
{
if (!ArePrimaryKeyFieldsCompatible(en.Current.Handler, pen.Current.Handler))
{
throw new BTDBException($"Change of primary key in relation '{name}' is not allowed. Field '{en.Current.Name}' is not compatible.");
}
}
}
