public static IPooledObject GetInstanceFromPool(Type serviceType)
{
if (!serviceType.GetInterfaces().Contains(typeof(IPooledObject)))
{
throw new InvalidCastException("InstanceType must implement Artech.WCFExtensions.IPooledInstance");
}
if (!ServiceInstancePool.ContainsKey(serviceType))
{
ServiceInstancePool[serviceType] = new WeakReferenceCollection();
}
WeakReferenceCollection instanceReferenceList = ServiceInstancePool[serviceType];
lock (serviceType)
{
IPooledObject serviceInstance = null;
foreach (WeakReference weakReference in instanceReferenceList)
{
serviceInstance = weakReference.Target as IPooledObject;
if (serviceInstance != null && !serviceInstance.IsBusy)
{
serviceInstance.IsBusy = true;
return(serviceInstance);
}
}
serviceInstance = Activator.CreateInstance(serviceType) as IPooledObject;
serviceInstance.IsBusy = true;
instanceReferenceList.Add(new WeakReference(serviceInstance));
return(serviceInstance);
}
}
public void WeakReferenceCollection_Remove_Test1()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List <string>();
list.Add(item1);
list.Add(item2);
var result = new WeakReferenceCollection <string>();
result.AddRange(list);
verify.ItemsAreEqual(new[] { "AAA", "BBB" }, result, "Two items should have been in the collection.");
verify.IsTrue(result.Remove(item2), "item 1 should have been removable");
verify.ItemsAreEqual(new[] { "AAA" }, result, "One item should have been left in the collection.");
verify.IsTrue(result.Remove(item1), "item 2 should have been removable");
verify.IsEmpty(result, "Removal failed");
verify.IsFalse(result.Remove(item1), "item was already removed");
verify.ArgumentNullException("item", () => result.Remove(null));
}
}
public void AliveItemsToList_ShouldReturnAllAliveItems()
{
var list = new object[] { new object(), new object(), new object() };
var wrc = new WeakReferenceCollection<object>();
var obj1 = new object();
wrc.Add(obj1);
foreach (object obj in list)
{
wrc.Add(obj);
}
var obj2 = new object();
wrc.Add(obj2);
Assert.AreEqual(list.Length + 2, wrc.AliveItemsToList().Count, "Should have same number of items!");
obj1 = obj2 = null;
GC.Collect();
GC.WaitForPendingFinalizers();
var aliveItems = wrc.AliveItemsToList();
Assert.AreEqual(list.Length, aliveItems.Count, "Should have 2 less items!");
Assert.AreEqual(list[0], aliveItems[0]);
Assert.AreEqual(list[1], aliveItems[1]);
Assert.AreEqual(list[2], aliveItems[2]);
}
public static IPooledObject GetInstanceFromPool(Type serviceType)
{
if (!serviceType.GetInterfaces().Contains(typeof(IPooledObject)))
{
throw new InvalidCastException("InstanceType must implement PooledInstanceProvider.WCFExtensions.IPooledInstance");
}
if (!ServiceInstancePool.ContainsKey(serviceType))
{
ServiceInstancePool[serviceType] = new WeakReferenceCollection();
}
WeakReferenceCollection instanceReferenceList = ServiceInstancePool[serviceType];
lock (serviceType)
{
IPooledObject serviceInstance = null;
foreach (WeakReference weakReference in instanceReferenceList)
{
serviceInstance = weakReference.Target as IPooledObject;
if (serviceInstance != null && !serviceInstance.IsBusy)
{
serviceInstance.IsBusy = true;
return serviceInstance;
}
}
serviceInstance = Activator.CreateInstance(serviceType) as IPooledObject;
serviceInstance.IsBusy = true;
instanceReferenceList.Add(new WeakReference(serviceInstance));
return serviceInstance;
}
}
public void WeakReferenceCollection_CopyTo_Test1()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <string>();
verify.ArgumentNullException("array", () => result.CopyTo(null, 0));
}
}
public void WeakReferenceCollection_Add()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection<string>();
verify.ArgumentNullException("item", () => result.Add(null));
}
}
public void WeakReferenceCollection_Add()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <string>();
verify.ArgumentNullException("item", () => result.Add(null));
}
}
public void WeakReferenceCollection_AddRange_Test1()
{
using (var verify = new Verify())
{
IList<string> list = null;
var result = new WeakReferenceCollection<string>();
verify.ArgumentNullException("list", () => result.AddRange(list));
}
}
public void WeakReferenceCollection_AddRange_Test1()
{
using (var verify = new Verify())
{
IList <string> list = null;
var result = new WeakReferenceCollection <string>();
verify.ArgumentNullException("list", () => result.AddRange(list));
}
}
public void WeakReferenceCollection_CopyTo_Test2()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <string>();
result.Add("");
var array = new string[0];
verify.ArgumentException("array", () => result.CopyTo(array, 0), "array is too small");
}
}
public void WeakReferenceCollection_CopyTo_Test5()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <string>();
result.Add("");
var array = new string[0];
verify.ArgumentOutOfRangeException("arrayIndex", -1, () => result.CopyTo(array, -1));
}
}
public void WeakReferenceCollection_CopyTo_Test3()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <string>();
result.Add("AAA");
var array = new string[1];
result.CopyTo(array, 0);
verify.ItemsAreEqual(new[] { "AAA" }, array, "");
}
}
public void AliveItemsToList_ShouldReturnAllItems()
{
var list = new object[] {new object(), new object(), new object()};
var wrc = new WeakReferenceCollection<object>();
foreach (object obj in list)
{
wrc.Add(obj);
}
Assert.AreEqual(list.Length, wrc.AliveItemsToList().Count, "Should have same number of items!");
}
public void Remove_ObjectShouldGetRemoved()
{
var obj = new object();
var wrc = new WeakReferenceCollection<object>();
wrc.Add(obj);
Assert.AreEqual(1, wrc.AliveItemsToList().Count, "Should have 1 item!");
wrc.Remove(obj);
Assert.AreEqual(0, wrc.AliveItemsToList().Count, "Should have 0 item!");
}
/// <summary>
/// Remove a reference to the specified object (if there is a live reference).
/// </summary>
/// <param name="collection">The collection to remove the reference from.</param>
/// <param name="id">The id of the object to remove references to.</param>
public static void RemoveReferenceTo(this WeakReferenceCollection collection, DisposableObjectId id)
{
foreach (WeakReferenceOf <IManagedDisposableObject> weakreference in collection)
{
if (weakreference.Id.Equals(id))
{
// We expect only one reference to the object
collection.Remove(weakreference);
Debug.Assert(collection.Where(x => x.Id.Equals(id)).Count() == 0, "Expected only one reference");
break;
}
}
}
public void WeakReferenceCollection_AddRange_Test3()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List<string>();
list.Add(item1);
list.Add(null);
list.Add(item2);
var result = new WeakReferenceCollection<string>();
verify.ArgumentException("list", () => result.AddRange(list), "The list contains a null item");
}
}
public void WeakReferenceCollection_AddRange_Test3()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List <string>();
list.Add(item1);
list.Add(null);
list.Add(item2);
var result = new WeakReferenceCollection <string>();
verify.ArgumentException("list", () => result.AddRange(list), "The list contains a null item");
}
}
private void AddIndexEntries(PartManager partManager)
{
foreach (string contractName in partManager.GetImportedContractNames())
{
if (!_partManagerIndex.TryGetValue(contractName, out WeakReferenceCollection <PartManager>?indexEntries))
{
indexEntries = new WeakReferenceCollection <PartManager>();
_partManagerIndex.Add(contractName, indexEntries);
}
if (!indexEntries.Contains(partManager))
{
indexEntries.Add(partManager);
}
}
}
public void WeakReferenceCollection_AddRange_Test2()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List <string>();
list.Add(item1);
list.Add(item2);
var result = new WeakReferenceCollection <string>();
result.AddRange(list);
verify.ItemsAreSame(new[] { "AAA", "BBB" }, result, "Two items should have been in the collection.");
}
}
public void WeakReferenceCollection_AddRange_Test2()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List<string>();
list.Add(item1);
list.Add(item2);
var result = new WeakReferenceCollection<string>();
result.AddRange(list);
verify.ItemsAreSame(new[] { "AAA", "BBB" }, result, "Two items should have been in the collection.");
}
}
public static void Scavenge()
{
foreach (Type serviceType in ServiceInstancePool.Keys)
{
lock (serviceType)
{
WeakReferenceCollection instanceReferenceList = ServiceInstancePool[serviceType];
for (int i = instanceReferenceList.Count - 1; i > -1; i--)
{
if (instanceReferenceList[i].Target == null)
{
instanceReferenceList.RemoveAt(i);
}
}
}
}
}
static void Main(string[] args)
{
Dictionary <string, WeakReferenceCollection> list = new System.Collections.Generic.Dictionary <string, WeakReferenceCollection>();
int count = 0;
while (true)
{
WeakReferenceCollection wc = new WeakReferenceCollection();
list.Add(count.ToString(), wc);
count++;
wc.Add(new WeakReference(new A()
{
Name = "Jim"
}));
wc.Add(new WeakReference(new A()
{
Name = "Tom"
}));
wc.Add(new WeakReference(new A()
{
Name = "Will"
}));
object obj = new object();
wc.Add(new WeakReference(obj));
obj = null;
GC.Collect();
string name = (wc.First().Target as A).Name;
string str = "[amount] = [100.1m] and [committed] >= [20.0m]";
string pattern1 = @"\[\d+\.\d+m\]";
MatchEvaluator evaluator = new MatchEvaluator(test);
string result = Regex.Replace(str, pattern1, evaluator, RegexOptions.IgnoreCase);
string tt = ((OfferSide)3).ToString();
OfferSide aa;
bool bb = Enum.TryParse <OfferSide>("3", out aa);
bool cc = Enum.IsDefined(typeof(OfferSide), aa);
}
Console.ReadKey();
}
public void WeakReferenceCollection_GetEnumerator()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List <string>();
list.Add(item1);
list.Add(item2);
var result = new WeakReferenceCollection <string>();
result.AddRange(list);
verify.ItemsAreEqual((IEnumerable <string>) new[] { "AAA", "BBB" }, list, "");
verify.IsFalse(((ICollection <string>)result).IsReadOnly, "Is read only should be false");
}
}
public void Add_ObjectShouldGetCollected()
{
var obj = new object();
var wrc = new WeakReferenceCollection<object>();
wrc.Add(obj);
var wr = new WeakReference(obj);
obj = null;
Assert.IsNotNull(wr.Target, "Object should NOT have been collected yet!");
GC.Collect();
GC.WaitForPendingFinalizers();
Assert.IsNull(wr.Target, "Object should have been collected!");
GC.KeepAlive(wrc);
}
/// <summary>
/// Call the dispose method of all dependent objects.
/// </summary>
/// <param name="obj">
/// The depended on object. This object will not be disposed, but its
/// dependents will be.
/// </param>
private void DisposeDependents(IManagedDisposableObject obj)
{
// Disposing an object removes it from the list. To avoid trying to iterate a list
// that is being modified, we copy the list first.
var referencesToDispose = new WeakReferenceCollection(this.dependencies[obj.Id]);
foreach (WeakReferenceOf <IManagedDisposableObject> reference in referencesToDispose)
{
IManagedDisposableObject objectToDispose = reference.Target;
if (null != objectToDispose)
{
this.DisposeObject(objectToDispose);
}
else
{
// The weak reference can't be resolved. Remove all entries.
this.dependencies[obj.Id].RemoveReferenceTo(reference.Id);
this.RemoveEntriesFor(reference.Id);
}
}
}
public void WeakReferenceCollection_Remove_Test2()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <Foo>();
Action add = () => result.Add(new Foo());
add();
Memory.CycleGC();
var f = new Foo();
result.Add(f);
result.Add(f);
result.Remove(f);
result.Remove(f);
result.CleanUp();
verify.IsEmpty(result, "");
}
}
public void WeakReferenceCollection_Remove_Test2()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <Foo>();
#pragma warning disable IDE0039 // Use local function
Action add = () => result.Add(new Foo());
#pragma warning restore IDE0039 // Use local function
add();
Memory.CycleGC();
var f = new Foo();
result.Add(f);
result.Add(f);
result.Remove(f);
result.Remove(f);
result.CleanUp();
verify.IsEmpty(result, "");
}
}
public void WeakReferenceCollection_CopyTo_Test1()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection<string>();
verify.ArgumentNullException("array", () => result.CopyTo(null, 0));
}
}
public void WeakReferenceCollection_CopyTo_Test3()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection<string>();
result.Add("AAA");
var array = new string[1];
result.CopyTo(array, 0);
verify.ItemsAreEqual(new[] { "AAA" }, array, "");
}
}
private void AddIndexEntries(PartManager partManager)
{
foreach (string contractName in partManager.GetImportedContractNames())
{
WeakReferenceCollection<PartManager> indexEntries;
if (!this._partManagerIndex.TryGetValue(contractName, out indexEntries))
{
indexEntries = new WeakReferenceCollection<PartManager>();
this._partManagerIndex.Add(contractName, indexEntries);
}
if (!indexEntries.Contains(partManager))
{
indexEntries.Add(partManager);
}
}
}
/// <summary>The initialize.</summary>
/// <returns>
/// The <see cref="Dictionary" />.
/// </returns>
private static Dictionary<string, WeakContext> Initialize()
{
WeakCleanUp.RegisterAction(CleanContexts);
_weakContexts = new WeakReferenceCollection<WeakContext>();
return new Dictionary<string, WeakContext>();
}
public void WeakReferenceCollection_CopyTo_Test5()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection<string>();
result.Add("");
var array = new string[0];
verify.ArgumentOutOfRangeException("arrayIndex", -1, () => result.CopyTo(array, -1));
}
}
public void WeakReferenceCollection_GetEnumerator()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List<string>();
list.Add(item1);
list.Add(item2);
var result = new WeakReferenceCollection<string>();
result.AddRange(list);
verify.ItemsAreEqual((IEnumerable<string>)new[] { "AAA", "BBB" }, list, "");
verify.IsFalse(((ICollection<string>)result).IsReadOnly, "Is read only should be false");
}
}
public void WeakReferenceCollection_Remove_Test1()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List<string>();
list.Add(item1);
list.Add(item2);
var result = new WeakReferenceCollection<string>();
result.AddRange(list);
verify.ItemsAreEqual(new[] { "AAA", "BBB" }, result, "Two items should have been in the collection.");
verify.IsTrue(result.Remove(item2), "item 1 should have been removable");
verify.ItemsAreEqual(new[] { "AAA" }, result, "One item should have been left in the collection.");
verify.IsTrue(result.Remove(item1), "item 2 should have been removable");
verify.IsEmpty(result, "Removal failed");
verify.IsFalse(result.Remove(item1), "item was already removed");
verify.ArgumentNullException("item", () => result.Remove(null));
}
}
public void WeakReferenceCollection_Remove_Test2()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection<Foo>();
Action add = () => result.Add(new Foo());
add();
Memory.CycleGC();
var f = new Foo();
result.Add(f);
result.Add(f);
result.Remove(f);
result.Remove(f);
result.CleanUp();
verify.IsEmpty(result, "");
}
}
public void WeakReferenceCollection_CopyTo_Test2()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection<string>();
result.Add("");
var array = new string[0];
verify.ArgumentException("array", () => result.CopyTo(array, 0), "array is too small");
}
}
private HotkeyManager()
{
_keyBindings = new WeakReferenceCollection<KeyBinding>();
var parameters = new HwndSourceParameters("Hotkey sink")
{
HwndSourceHook = HandleMessage,
ParentWindow = HwndMessage
};
_source = new HwndSource(parameters);
SetHwnd(_source.Handle);
}
public void AliveItemsToList_ShouldReturnEmpty()
{
var wrc = new WeakReferenceCollection<object>();
Assert.AreEqual(0, wrc.AliveItemsToList().Count, "Should have 0 items!");
}
