Hello,

I use JPA and second-level cache in my project. They both worked fine so far.
Now, I have two applications,
1.The read-only application just read data from database, it doesn't modify the database at all. Therefore, I choose the "READ_ONLY" concurrency strategy for the second-level cache, aiming at a better performance.
2.The read-write application read and write as well the data of database, it modify the database. Consequently, I have to choose the "READ_WRITE" or "NONSTRICT_READ_WRITE" concurrency strategy for the second-level cache.

However, the concurrency strategy is assigned in the annotation of each entity class, so I cannot change it programatically. (I don't use class mapping files for JPA, so I can't use two mapping files, each for a different concurrency strategy for the same entity class.)

My Question is, is there a good way to change the concurrenty strategy of the second-level cache on the fly according to my 2 different applications?

May be CacheMode class will help ? There is a option while you query to say Normal,Ignore, Put, Get and Refresh from the cache.