/** Get the entity stored at this bucket, possibly the one that was set */
public Entity getEntity() {
if (iv != null && iv.getValue() instanceof Entity) return (Entity) iv.getValue();
else return null;
}
/** @return true if this is a negative cache result */
public boolean isNegative() {
return this.isCacheable() && NEGATIVE.equals(iv.getValue());
}
/**
* "Empty" means we don't know the value - it could be null, it could be uncacheable, or we
* could have some really weird unknown data in the cache. Basically, anything other than "yes
* we have an entity/negative" is considered empty.
*
* @return true if this is empty or uncacheable or something other than a nice entity or
* negative result.
*/
public boolean isEmpty() {
return !this.isCacheable() || (!this.isNegative() && !(iv.getValue() instanceof Entity));
}