com.bankframe.services.cache
Interface CachePolicy

All Known Subinterfaces:

ConfigurableCachePolicy

All Known Implementing Classes:

LruCachePolicy, NullPolicy, PerEntryTimeoutCachePolicy, TimeoutCachePolicy

public interface CachePolicy

This interface defines the methods that all cache policies must provide. A cache policy determines when values should be removed from the cache.

Method Summary

Set	cleanup() This method returns a set containing the keys of values that have expired.
boolean	isCacheEntryValid(Object key, Object value) This method determines if the specified entry should be removed from the cache
void	remove(Object key) This method signals the entry has been removed from the cache
void	remove(Set keySet) This method signals the set of entries has been removed from the cache
void	removeAll() This method signals that all entries have been removed from the cache
void	updateCacheEntries(Map values) This method updates all the specified values
void	updateCacheEntry(Object key, Object value) This method updates the last access time for the specified entry

Method Detail

cleanup

Set cleanup()

This method returns a set containing the keys of values that have expired. If this method returns an empty set then there are no values to be removed. If this method returns a null value, then all values have expired

isCacheEntryValid

boolean isCacheEntryValid(Object key,
                          Object value)

This method determines if the specified entry should be removed from the cache

remove

void remove(Object key)

This method signals the entry has been removed from the cache

remove

void remove(Set keySet)

This method signals the set of entries has been removed from the cache

removeAll

void removeAll()

This method signals that all entries have been removed from the cache

updateCacheEntries

void updateCacheEntries(Map values)

This method updates all the specified values

updateCacheEntry

void updateCacheEntry(Object key,
                      Object value)

This method updates the last access time for the specified entry