Changes the intervals for the expiration of items and the interval between checks.

When overridden by a derivee this clears the collection and unhooks all events.

See interface docs.

Disposes of or finalises the object.

When overridden by the derivee this should remove all items that have a timestamp that is less than or equal to the threshold passed across.

Determines whether the specified Object is equal to the current Object.

Finalises the object.

Serves as a hash function for a particular type.

Gets the Type of the current instance.

Hooks the heartbeat event. Must be called from within a lock.

Calls the action passed across with the list locked. Do not perform an action that will attempt to lock the list from another thread, it will block.

Creates a shallow copy of the current Object.

Called by the derivee to inform the owner of the collection that the count has changed. Always call this from within a lock.

Removes expired items.

Returns a string that represents the current object.

Unhooks the heartbeat service if hooked. Must be called from within a lock.