/// <summary>
/// Manages a memory pool of poolSize blocks.
/// Whenever we've allocated more blocks than the poolSize, we signal the oldest allocated block to purge
/// itself and return to the pool.
/// </summary>
/// <param name="poolSize"></param>
/// <param name="factoryFunc"></param>
/// <param name="monitor"></param>
/// <param name="monitorWriteInterval"></param>
public FixedSizeObjectPool(Func <T> factoryFunc, int poolSize, IObjectPoolMonitor monitor = null, TimeSpan?monitorWriteInterval = null)
: base(factoryFunc, poolSize, monitor, monitorWriteInterval)
{
if (poolSize < MinObjectCount)
{
throw new ArgumentOutOfRangeException("poolSize", "Minimum object count is " + MinObjectCount);
}
maxObjectCount = poolSize;
}
/// <summary>
/// Simple object pool
/// </summary>
/// <param name="factoryFunc">Function used to create new resources of type T</param>
/// <param name="monitor">monitor to report statistics for object pool</param>
/// <param name="monitorWriteInterval"></param>
public ObjectPool(Func <T> factoryFunc, IObjectPoolMonitor monitor = null, TimeSpan?monitorWriteInterval = null)
{
if (factoryFunc == null)
{
throw new ArgumentNullException("factoryFunc");
}
this.factoryFunc = factoryFunc;
pool = new ConcurrentStack <T>();
this.monitor = monitor;
if (this.monitor != null && monitorWriteInterval.HasValue)
{
this.timer = new Timer(this.ReportObjectPoolStatistics, null, monitorWriteInterval.Value, monitorWriteInterval.Value);
}
this.totalObjects = 0;
}
/// <summary>
/// Simple object pool
/// </summary>
/// <param name="factoryFunc">Function used to create new resources of type T</param>
/// <param name="initialCapacity">Initial number of items to allocate</param>
/// <param name="monitor">monitor to report statistics for object pool</param>
/// <param name="monitorWriteInterval"></param>
public ObjectPool(Func <T> factoryFunc, int initialCapacity = DefaultPoolCapacity, IObjectPoolMonitor monitor = null, TimeSpan?monitorWriteInterval = null)
{
if (factoryFunc == null)
{
throw new ArgumentNullException("factoryFunc");
}
if (initialCapacity < 0)
{
throw new ArgumentOutOfRangeException("initialCapacity");
}
this.factoryFunc = factoryFunc;
pool = new Stack <T>(initialCapacity);
this.monitor = monitor;
if (this.monitor != null && monitorWriteInterval.HasValue)
{
this.timer = new Timer(this.ReportObjectPoolStatistics, null, monitorWriteInterval.Value, monitorWriteInterval.Value);
}
this.totalObjects = 0;
}