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*** THIS VERSION UPLOADED FOR USE WITH CEDAR-COMMON, TO AVOID DEPENDENCIES ON GOOGLE CODE-BASED MAVEN REPOSITORIES. *** The simplest convenient interface to the Google App Engine datastore
The newest version!
package com.googlecode.objectify.cache;
import com.google.appengine.api.datastore.Key;
/**
* Interface by which expiry times for cache entities is communicated to the cache system. The cache will
* call this interface to find out how long to cache entities of a particular kind.
*
* @author Jeff Schnitzer
*/
public interface CacheControl
{
/**
* Get the amount of time that entities of a particular key should be cached, if at all. This is used
* both to write entities/negative results to the cache and also to determine if we should look in the
* cache in the first place.
*
* @return null means DO NOT CACHE. 0 means "no limit". Any other value is a # of seconds.
*/
public Integer getExpirySeconds(Key key);
}