Is there a semantic query tool for java/java IDEs?

For analyzing/refactoring tasks, I need some kind of semantic query tool (or eclipse plugin) for java to answer questions like:

Which classes call the equals() method of classes which reside in a package which name matches a specific pattern?

(or even more complex questions)

Are there some tools for these kind of开发者_运维百科 jobs?

you can try and use the twouse plugin ,sparqlas will provide you the query support....