/**
* Get the objects that have been cached.
*
* @return
*/
public Collection<? extends Cacheable> objectValues() {
Collection<Cacheable> objects = new ArrayList<Cacheable>();
for (CachedObject co : values()) {
objects.add((Cacheable) co.getValue());
}
return objects;
}
/**
* Convenience method to add an object with its key to the cache. This creates the CachedObject
* wrapper to manage its state. If the object already exists in the cache, it updates its value.
*
* @param cacheable
* @return
*/
public CachedObject add(Cacheable cacheable) {
Identifier key = cacheable.getIdentifier();
CachedObject co = get(key);
if (co == null) {
co = new CachedObject();
co.setKey(key.toString());
put(key, co);
}
co.setValue(cacheable);
return co;
}
/**
* Using this rather than {@link #add} will let you cache anything you please, even objects (like
* connections to servers) that are not inherently {@link
* edu.uiuc.ncsa.security.core.Identifiable}.
*
* @param key
* @param value
* @return
*/
public CachedObject put(Identifier key, CachedObject value) {
// issue is that the sorted list is a list -- adding the same cached value
// repeatedly will result in duplicates. The real cache vets these by key.
// It is entirely possible that a user will add a new cached object that will replace
// a currently cached object, effectively changing how the retention policy will work with
// it.
CachedObject oldCO = getTheRealCache().get(key);
if (oldCO == null) {
// it's new
getTheRealCache().put(key, value);
getSortedList().add(value);
} else {
oldCO.setTimestamp(value.getTimestamp());
}
return oldCO;
}
public void put(CachedObject co) {
put(new BasicIdentifier(co.getKey()), co);
}