/// <summary>
/// Initializes a new instance of the <see cref="OnTheFlyObjectPool<T>"/> class.
/// </summary>
/// <param name="factory">
/// The factory delegate to create <typeparamref name="T"/> type instance using <see cref="ObjectPoolConfiguration"/>.
/// </param>
/// <param name="configuration">
/// The <see cref="ObjectPoolConfiguration"/> which contains various settings of this object pool.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="factory"/> is <c>null</c>.
/// Or <paramref name="configuration"/> is <c>null</c>.
/// </exception>
public OnTheFlyObjectPool(Func <ObjectPoolConfiguration, T> factory, ObjectPoolConfiguration configuration)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
Contract.EndContractBlock();
this._factory = factory;
this._configuration = configuration;
}
/// <summary>
/// Initializes a new instance of the <see cref="StandardObjectPool<T>"/> class.
/// </summary>
/// <param name="factory">
/// The factory delegate to create <typeparamref name="T"/> type instance.
/// </param>
/// <param name="configuration">
/// The <see cref="ObjectPoolConfiguration"/> which contains various settings of this object pool.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="factory"/> is <c>null</c>.
/// </exception>
public StandardObjectPool(Func <T> factory, ObjectPoolConfiguration configuration)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
Contract.EndContractBlock();
var safeConfiguration = (configuration ?? ObjectPoolConfiguration.Default).AsFrozen();
if (String.IsNullOrWhiteSpace(safeConfiguration.Name))
{
this._source = new TraceSource(this.GetType().FullName);
this._name = this.GetType().FullName + "@" + this.GetHashCode().ToString("X", CultureInfo.InvariantCulture);
}
else
{
this._source = new TraceSource(safeConfiguration.Name);
this._name = safeConfiguration.Name;
}
#if !API_SIGNATURE_TEST
if (configuration == null && this._source.ShouldTrace(StandardObjectPoolTrace.InitializedWithDefaultConfiguration))
{
this._source.TraceEvent(
StandardObjectPoolTrace.InitializedWithDefaultConfiguration,
"Initialized with default configuration. { \"Name\" : \"{0}\", \"Type\" : \"{1}\", \"HashCode\" : 0x{2:X} }",
this._name,
this.GetType(),
this.GetHashCode()
);
}
else if (this._source.ShouldTrace(StandardObjectPoolTrace.InitializedWithConfiguration))
{
this._source.TraceEvent(
StandardObjectPoolTrace.InitializedWithConfiguration,
"Initialized with specified configuration. { \"Name\" : \"{0}\", \"Type\" : \"{1}\", \"HashCode\" : 0x{2:X}, \"Configuration\" : {3} }",
this._name,
this.GetType(),
this.GetHashCode(),
configuration
);
}
#endif
this._configuration = safeConfiguration;
this._factory = factory;
this._leasesLock = new ReaderWriterLockSlim(LockRecursionPolicy.NoRecursion);
this._borrowTimeout = safeConfiguration.BorrowTimeout ?? TimeSpan.FromMilliseconds(Timeout.Infinite);
this._pool =
new BlockingCollection <T>(
#if !SILVERLIGHT
new ConcurrentStack <T>()
#else
new ConcurrentStack <T>()
#endif
);
if (safeConfiguration.MaximumPooled == null)
{
this._leases = new BlockingCollection <WeakReference>(new ConcurrentQueue <WeakReference>());
}
else
{
this._leases = new BlockingCollection <WeakReference>(new ConcurrentQueue <WeakReference>(), safeConfiguration.MaximumPooled.Value);
}
for (int i = 0; i < safeConfiguration.MinimumReserved; i++)
{
if (!this.AddToPool(factory(), 0))
{
#if !API_SIGNATURE_TEST
this._source.TraceEvent(
StandardObjectPoolTrace.FailedToAddPoolInitially,
"Failed to add item. {{ \"Name\" : \"{0}\", \"Type\" : \"{1}\", \"HashCode\" : 0x{2:X} }}",
this._name,
this.GetType(),
this.GetHashCode()
);
#endif
}
}
this._evictionIntervalMilliseconds = safeConfiguration.EvitionInterval == null ? default(int?) : unchecked (( int )safeConfiguration.EvitionInterval.Value.TotalMilliseconds);
if (safeConfiguration.MaximumPooled != null &&
safeConfiguration.MinimumReserved != safeConfiguration.MaximumPooled.GetValueOrDefault() &&
this._evictionIntervalMilliseconds != null)
{
this._evictionTimer = new Timer(this.OnEvictionTimerElapsed, null, this._evictionIntervalMilliseconds.Value, Timeout.Infinite);
}
else
{
this._evictionTimer = null;
}
}