http://ehcache.org/EhcacheUserGuide.html

All caches implement the Ehcache interface. A cache has a name and attributes. Each cache contains Elements.A Cache in Ehcache is analogous to a cache region in other caching systems.Cache elements are stored in the MemoryStore. Optionally they also overflow to a DiskStore.6.1.3 Element An element is an atomic entry in a cache. It has a key, a value and a record of accesses. Elements are put into

[atkonn]

Ehcacheのドキュメント