/// <summary>
/// Creates a new scheduled thread pool of a given size with the given name, or returns an
/// existing thread pool if one was already created with the same name.
/// </summary>
/// <param name="poolSize">the number of threads to create</param>
/// <param name="name">the name of the pool</param>
/// <returns>a new <seealso cref="IScheduledExecutorService" /></returns>
public IScheduledExecutorService NewScheduledThreadPool(int poolSize, string name)
{
var existing = threadPools.Get(name);
if (IsValidExecutor(existing))
{
return existing;
}
else
{
// We lock here because executors are expensive to create. So
// instead of just doing the usual putIfAbsent dance, we lock the
// damn thing, check to see if anyone else put a thread pool in
// there while we weren't watching.
lock (this)
{
var lastChance = threadPools.Get(name);
if (IsValidExecutor(lastChance))
{
return lastChance;
}
else
{
var service = Executors.DefaultScheduledExecutorService();
threadPools.Put(name, service);
return service;
}
}
}
}