Package org.springframework.security.core.userdetails.cache

Class NullUserCache

java.lang.Object
org.springframework.security.core.userdetails.cache.NullUserCache
All Implemented Interfaces:
UserCache
public class NullUserCache extends Object implements UserCache
Does not perform any caching.

  • Constructor Details

    • NullUserCache

      public NullUserCache()

  • Method Details

    • getUserFromCache

      public UserDetails getUserFromCache(String username)
      Description copied from interface: UserCache
      Obtains a UserDetails from the cache.
      Specified by:
      getUserFromCache in interface UserCache
      Parameters:
      username - the User.getUsername() used to place the user in the cache
      Returns:
      the populated UserDetails or null if the user could not be found or if the cache entry has expired

    • putUserInCache

      public void putUserInCache(UserDetails user)
      Description copied from interface: UserCache
      Places a UserDetails in the cache. The username is the key used to subsequently retrieve the UserDetails.
      Specified by:
      putUserInCache in interface UserCache
      Parameters:
      user - the fully populated UserDetails to place in the cache

    • removeUserFromCache

      public void removeUserFromCache(String username)
      Description copied from interface: UserCache
      Removes the specified user from the cache. The username is the key used to remove the user. If the user is not found, the method should simply return (not thrown an exception).

      Some cache implementations may not support eviction from the cache, in which case they should provide appropriate behaviour to alter the user in either its documentation, via an exception, or through a log message.

      Specified by:
      removeUserFromCache in interface UserCache
      Parameters:
      username - to be evicted from the cache