Package com.sun.enterprise.admin.util.cache

Class AdminCacheWeakReference

  • All Implemented Interfaces:
    AdminCache
    public class AdminCacheWeakReference
extends Object
implements AdminCache
    AdminCache based on week references and backgrounded by AdminCacheFileStore layer.
    Max one object representation of cached data are stored by this implementation. If different type is requested, it will be reloaded from file store using AdminCacheFileStore.
    Author:
    mmares

    • Method Detail

      • get

        public <A> A get​(String key,
                 Class<A> clazz)
        Description copied from interface: AdminCache
        Retrieve data from cache.
        Specified by:
        get in interface AdminCache
        Parameters:
        key - in the cache
        clazz - Cache data will be converted to requested type using appropriate AdminCacheObjectProvider
        Returns:
        Cached data converted to requested type or null if not cached

      • put

        public void put​(String key,
                Object data)
        Description copied from interface: AdminCache
        Puts data to cache.
        Specified by:
        put in interface AdminCache
        Parameters:
        key - in the cache
        data - Cached data will be converted to raw bytes using appropriate AdminCacheObjectProvider

      • contains

        public boolean contains​(String key)
        Description copied from interface: AdminCache
        Checked if content is in the cache.
        Specified by:
        contains in interface AdminCache
        Parameters:
        key - in the cache

      • lastUpdated

        public Date lastUpdated​(String key)
        Description copied from interface: AdminCache
        Date when was cached data last updated.
        Specified by:
        lastUpdated in interface AdminCache
        Parameters:
        key - in the cache
        Returns:
        Date of last update or null if does not exist in cache