What problems are there for types in .aj files?
There are several known issues for types contained in .aj files.
- They are not found when using code assist (Ctrl+Space).
- They are not found when using add import (Ctrl+Shift+M).
- They are not found when using organize imports (Ctrl+Shift+O).
- There are no quick fixes available (Ctrl+1).
- They are not included in Java searches.
- They are not included in Call Hierarchy lists.
- Refactor > Rename will not work for .aj files. Use Rename from the context menu instead.
AJDT intends to add support for these features in .aj files
in future releases.
AspectJ editor

Creating a new aspect
Converting file extensions