public void Parallel_Load_On_Pool()
{
var policy = new PoolPolicy <ObjectPoolClassesTests.SomePoolObject>
{
FunctionOnCreate = () => new ObjectPoolClassesTests.SomePoolObject {
Value = "created"
},
ActionOnGet = o => o.Value = "get",
ActionOnReturn = o => o.Value = "returned",
ActionOnDestroy = o => o.Value = "destroyed",
MaximumPoolSize = 100,
InitialPoolSize = 1
};
var options = new ParallelOptions {
MaxDegreeOfParallelism = 10
};
var pool = new ObjectPoolConcurrent <ObjectPoolClassesTests.SomePoolObject>(policy)
{
IsPoolingEnabled = true
};
Assert.That(() =>
Parallel.For(0L, 1000, options, (i, loopState) =>
{
var someObject = pool.Get();
pool.Return(someObject);
}), Throws.Nothing);
Assert.That(pool.CountActive, Is.EqualTo(0));
Assert.That(pool.CountInactive, Is.GreaterThan(0));
}
public void PooledObject_ReinitialiseOnTake_RasisesEvent_OnReinitialiseError()
{
var policy = new PoolPolicy <PooledObject <DisposableTestPoolItem> >()
{
Factory = (p) => new PooledObject <DisposableTestPoolItem>(p, new DisposableTestPoolItem()),
InitializationPolicy = PooledItemInitialization.Take,
MaximumPoolSize = 1,
ReinitializeObject = (item) =>
{
throw new OutOfMemoryException("Test");
}
};
var eventRaised = false;
using (var eventRaisedSignal = new System.Threading.ManualResetEvent(false))
{
var pool = new Pool <PooledObject <DisposableTestPoolItem> >(policy);
pool.ReinitialiseError += (s, e) => { eventRaised = true; eventRaisedSignal.Set(); };
var item = pool.Take();
pool.Add(item);
item = pool.Take();
eventRaisedSignal.WaitOne(1000);
Assert.IsTrue(eventRaised);
}
}
private IPool <DisposableTestPoolItem> GetDisposablePool(int maxSize, PooledItemInitialization reinitialisePolicy)
{
var policy = new PoolPolicy <DisposableTestPoolItem>()
{
Factory = (pool) => new DisposableTestPoolItem(),
InitializationPolicy = reinitialisePolicy,
MaximumPoolSize = maxSize,
ReinitializeObject = (pi) =>
{
pi.Id = Guid.NewGuid();
pi.Date = DateTime.Now;
pi.ResetByThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;
}
};
return(new Pool <DisposableTestPoolItem>(policy));
}
private static Pool <PooledObject <DisposableTestPoolItem> > GetPoolForPooledObjectWrapper()
{
var policy = new PoolPolicy <PooledObject <DisposableTestPoolItem> >()
{
Factory = (p) => new PooledObject <DisposableTestPoolItem>(p, new DisposableTestPoolItem()),
InitializationPolicy = PooledItemInitialization.Return,
MaximumPoolSize = 1,
ReinitializeObject = (item) =>
{
item.Value.Id = Guid.NewGuid();
item.Value.Date = DateTime.Now;
item.Value.ResetByThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;
}
};
var pool = new Pool <PooledObject <DisposableTestPoolItem> >(policy);
return(pool);
}
private static Pool <PooledObject <RecyclableStringWriter> > CreatePoolInstance()
{
lock (s_Synchroniser)
{
if (s_TextWriterPool != null)
{
return(s_TextWriterPool);
}
var policy = new PoolPolicy <PooledObject <RecyclableStringWriter> >()
{
Factory = (pool) => new PooledObject <RecyclableStringWriter>(pool, new RecyclableStringWriter(System.Globalization.CultureInfo.CurrentCulture)),
InitializationPolicy = PooledItemInitialization.Return,
MaximumPoolSize = 50,
ReinitializeObject = (poolItem) => poolItem.Value.Dispose()
};
return(s_TextWriterPool = new Pool <PooledObject <RecyclableStringWriter> >(policy));
}
}
