/**
* Adds a specified entry to the cache or replaces an entry associated with the same globe.
*
* @param entry the entry to add. If null, the cache remains unchanged.
*/
public void addEntry(ShapeDataCacheEntry entry)
{
if (entry == null)
{
return;
}
this.entries.put(entry.globeStateKey, entry);
entry.lastUsed = System.currentTimeMillis();
}
/**
* Retrieves a specified entry from the cache.
* <p/>
* Note: Each time this method is called the cache is cleared of dead entries, as defined by their last-used time
* relative to this cache's maximum unused time.
*
* @param globe the globe the entry is associated with.
*
* @return the entry if it exists, otherwise null.
*/
public ShapeDataCacheEntry getEntry(Globe globe)
{
long now = System.currentTimeMillis();
// this.removeDeadEntries(now);
if (globe == null)
{
return(null);
}
ShapeDataCacheEntry entry = this.entries.get(globe.getGlobeStateKey());
if (entry != null)
{
entry.lastUsed = now;
}
return(entry);
}
