FilterManager.FilterCleaner

Class Overview

Keeps the cache from getting too big. If we were using Java 1.5, we could use LinkedHashMap and we would not need this thread to clean out the cache. The SortedSet sortedFilterItems is used only to sort the items from the cache, so when it's time to clean up we have the TreeSet sort the FilterItems by timestamp. Removes 1.5 * the numbers of items to make the cache smaller. For example: If cache clean size is 10, and the cache is at 15, we would remove (15 - 10) * 1.5 = 7.5 round up to 8. This way we clean the cache a bit more, and avoid having the cache cleaner having to do it frequently.

Summary

[Expand] Inherited Methods
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait() final void wait(long arg0, int arg1) final void wait(long arg0)
From interface java.lang.Runnable abstract void run()