improved JPAManager code
improved JPAManager code
moved connection caching from JPAManager to ConnectionContainer
moved some caching methods from JPAManager to ConnectionContainer class
moved Transaction caching in new TransactionContainer class
improved methods dependent on Transaction caching for new
TransactionContainer class
added RestContainer class to cache REST resource classes
improved REST dependent classes
added comments to RestContainer.hasRest method
added comment to ConnectionContainer class method
added comment to ConnectionContainer class method
added comment on ConnectionContainer class method
added comment on ConnectionContainer class method
added comment on ConnectionContainer class method
removed unused method from ConnectionContainer class
improved JPAManager class method
added comments to JndiManager class field
added comments to JndiManager class field
added comments to JndiManager class field
changed modifier from public to private for
JndiManager.setInitialContext class method