/// <summary>
/// ObjectPool constructor.
/// </summary>
/// <param name="MinItems">Minimum number of items in pool. The constructor will create these items, calling OnCreateHandler if supplied.</param>
/// <param name="MaxItems">Maximum number of items in pool. Acquire() will return default values when this threshold is reached.</param>
/// <param name="ItemLifeSpanMinutes">The longest an item should exist. Items that exceed their lifespan are removed and cleaned up.</param>
/// <param name="OnCreateHandler">Event handler to call when a new item is created for the pool.</param>
/// <param name="OnCleanUpHandler">Event handler to call when an expired item is removed from the pool.</param>
public ObjectPool(int MinItems, int MaxItems, int ItemLifeSpanMinutes, OnCreateDelegate OnCreateHandler = null, OnCleanUpDelegate OnCleanUpHandler = null, OnAcquireDelegate OnAcquireHandler = null)
{
ShuttingDown = false;
items = new ConcurrentDictionary <T, PoolItem <T> >();
OnCreate = OnCreateHandler;
OnCleanUp = OnCleanUpHandler;
OnAcquire = OnAcquireHandler;
this.MinItems = MinItems;
this.MaxItems = MaxItems;
this.ItemLifeSpanMinutes = ItemLifeSpanMinutes;
for (int i = 0; i < MinItems; i++)
{
T newItem = new T();
if (OnCreate != null)
{
OnCreate(ref newItem);
}
items[newItem] = new PoolItem <T>(newItem);
ItemsAllocated++;
}
}
public Task <IAsyncDisposable> OnCreate(OnCreateDelegate handler)
{
return(InnerSubscribe(handler, x => x.OnCreate(default(long), default(SubscriptionDetails))));
}
