package io.ebean.cache;
/**
* Represents part of the "L2" server side cache.
* <p>
* This is used to cache beans or query results (bean collections).
* </p>
* <p>
* There are 2 ServerCache's for each bean type. One is used as the 'bean cache'
* which holds beans of a given type. The other is the 'query cache' holding
* query results for a given type.
* </p>
*/
public interface ServerCache {
/**
* Return the value given the key.
*/
Object get(Object id);
/**
* Put the value in the cache with a given id.
*/
Object put(Object id, Object value);
/**
* Remove a entry from the cache given its id.
*/
Object remove(Object id);
/**
* Clear all entries from the cache.
*/
void clear();
/**
* Return the number of entries in the cache.
*/
int size();
/**
* Return the hit ratio the cache is currently getting.
*/
int getHitRatio();
/**
* Return statistics for the cache.
*
* @param reset if true the statistics are reset.
*/
ServerCacheStatistics getStatistics(boolean reset);
}