ING-7/ING-14: search attribute type support


git-svn-id: http://svn.terracotta.org/svn/ehcache@7694 b9324663-ca0f-0410-8574-be9b3887307d
Removed unused local var.

git-svn-id: http://svn.terracotta.org/svn/ehcache@7695 b9324663-ca0f-0410-8574-be9b3887307d