package railo.commons.io.cache;
import java.io.Serializable;
/**
* Ac CacheEventListener is registred to a cache implementing the interface CacheEvent, a CacheEventListener can listen to certain event happening in a cache
*/
public interface CacheEventListener extends Serializable {
/**
* this method is invoked before a Cache Entry is removed from Cache
* @param entry entry that will be removed from Cache
*/
public void onRemove(CacheEntry entry);
/**
* this method is invoked before a new Entry is putted to a cache (update and insert)
*/
public void onPut(CacheEntry entry);
/**
* this method is invoked before a entry expires (lifetime and idletime)
*/
public void onExpires(CacheEntry entry);
public CacheEventListener duplicate();
}