// TODO: Put strings into the resources.
//
protected override void QueueTask(Task task)
{
task.EnsureNotNull(nameof(task));
//
if (_tasksQueue.UpdateValue(o => o.Contains(task) ? o : o.Add(task)))
{
for (; ;)
{
var processQueueRunningCount = VolatileUtilities.Read(ref _processQueueRunningCount);
if (processQueueRunningCount < _maxDop)
{
if (processQueueRunningCount == Interlocked.CompareExchange(ref _processQueueRunningCount, processQueueRunningCount + 1, processQueueRunningCount))
{
P_ProcessQueue();
break;
}
}
else
{
break;
}
}
}
else
{
throw new InvalidOperationException($"Указанная задача уже ранее была поставлена в очередь шедулера '{this}'.");
}
}
/// <summary>
/// Метод, вызываемый перед явной или неявной выгрузкой.
/// <para>Не предназначен для прямого вызова из кода.</para>
/// <para>Метод не вызывается после того, как один из вызывов был выполнен успешно.</para>
/// <para>На момент вызова метода <seealso cref="Disposable.IsDisposeRequested"/> == true.</para>
/// <para>Перед вызовом базовой реализации <seealso cref="Disposable.FireBeforeDispose(bool)"/> вызывает обработчик события <seealso cref="BeforeDispose"/>.</para>
/// </summary>
/// <param name="explicitDispose">Указывает на явную/не явную выгрузку.</param>
protected override void FireBeforeDispose(bool explicitDispose)
{
if (explicitDispose)
{
VolatileUtilities.Read(ref _eventHandler_BeforeDispose)?.Invoke(this, new DisposeEventArgs(explicitDispose));
}
//
base.FireBeforeDispose(explicitDispose);
}
static bool P_ValT_ValueUpdater <T>(MuttableVh <T> valueStore, Transform <T> transform)
where T : struct
{
transform.EnsureNotNull(nameof(transform));
//
var currentVersion = valueStore.ReadDA(ref valueStore._value);
var newValue = transform(currentVersion);
if (EqualityComparer <T> .Default.Equals(x: currentVersion, y: newValue))
{
return(false);
}
else
{
VolatileUtilities.Write(ref valueStore._value, newValue);
valueStore.EnsureNotDisposeState();
return(true);
}
}
protected override void FireAfterDisposed(bool explicitDispose)
{
base.FireAfterDisposed(explicitDispose);
//
var notExceptionThrown = true;
try {
if (explicitDispose)
{
VolatileUtilities.Read(ref _eventHandler_AfterDisposed)?.Invoke(this, new DisposeEventArgs(explicitDispose));
}
} catch {
notExceptionThrown = false;
throw;
} finally {
if (notExceptionThrown)
{
VolatileUtilities.Write(ref _eventHandler_AfterDisposed, null);
}
}
}
static MuttableVh()
{
__DefaultValue = default;
//
var typeOfValue = typeof(TValue);
var valueStoreInstanceParameter = Expression.Parameter(typeof(MuttableVh <TValue>));
var transformParameter = Expression.Parameter(typeof(Transform <TValue>));
if (typeOfValue.IsValueType())
{
__Setter = (locValueStore, locValue) => VolatileUtilities.Write(ref locValueStore._value, locValue);
//
__Updater =
Expression
.Lambda <Func <MuttableVh <TValue>, Transform <TValue>, bool> >(
body:
Expression
.Call(
method:
typeof(MuttableVh <TValue>)
.GetMethod(nameof(P_ValT_ValueUpdater), BindingFlags.Static | BindingFlags.DeclaredOnly | BindingFlags.NonPublic)
.MakeGenericMethod(typeOfValue),
arg0: valueStoreInstanceParameter,
arg1: transformParameter),
parameters: new[] { valueStoreInstanceParameter, transformParameter })
.Compile();
//
if (typeof(IDisposable).IsAssignableFrom(typeOfValue))
{
var valueParameter = Expression.Parameter(typeOfValue);
__ExplicitDispose =
Expression
.Lambda <Action <TValue> >(
body:
Expression
.Call(
instance: valueParameter,
method: typeOfValue.GetMethod(nameof(IDisposable.Dispose), throwIfNotFound: true)),
parameters: new[] { valueParameter })
.Compile();
}
else
{
__ExplicitDispose = locValue => { }
};
//
if (typeof(IEonCloneable).IsAssignableFrom(typeOfValue))
{
var valueParameter = Expression.Parameter(typeOfValue);
var cloneContextParameter = Expression.Parameter(typeof(ICloneContext));
__CloneValue = Expression.Lambda <Func <TValue, ICloneContext, TValue> >(
Expression.Call(
valueParameter,
typeOfValue.GetMethod(
nameof(IEonCloneable.Clone),
parameterTypes: new[] { cloneContextParameter.Type },
throwIfNotFound: true),
cloneContextParameter),
valueParameter,
cloneContextParameter).Compile();
}
else
{
__CloneValue = (v, c) => v;
}
}
else
{
var valueParameter = Expression.Parameter(typeOfValue);
//
__Setter =
Expression
.Lambda <Action <MuttableVh <TValue>, TValue> >(
body:
Expression
.Call(
method:
typeof(MuttableVh <TValue>)
.GetMethod(nameof(P_RefT_ValueSetter), BindingFlags.Static | BindingFlags.DeclaredOnly | BindingFlags.NonPublic)
.MakeGenericMethod(typeOfValue),
arg0: valueStoreInstanceParameter,
arg1: valueParameter),
parameters: new[] { valueStoreInstanceParameter, valueParameter })
.Compile();
//
__Updater =
Expression
.Lambda <Func <MuttableVh <TValue>, Transform <TValue>, bool> >(
body:
Expression
.Call(
method:
typeof(MuttableVh <TValue>)
.GetMethod(nameof(P_RefT_ValueUpdater), BindingFlags.Static | BindingFlags.DeclaredOnly | BindingFlags.NonPublic)
.MakeGenericMethod(typeOfValue),
arg0: valueStoreInstanceParameter,
arg1: transformParameter),
parameters: new[] { valueStoreInstanceParameter, transformParameter })
.Compile();
//
if (typeof(IDisposable).IsAssignableFrom(typeOfValue))
{
__ExplicitDispose = Expression.Lambda <Action <TValue> >(Expression.Call(typeof(MuttableVh <TValue>).GetMethod(nameof(P_RefT_ExplicitDispose), BindingFlags.Static | BindingFlags.DeclaredOnly | BindingFlags.NonPublic).MakeGenericMethod(typeOfValue), valueParameter), valueParameter).Compile();
}
else
{
__ExplicitDispose = v => { }
};
//
if (typeof(IEonCloneable).IsAssignableFrom(typeOfValue))
{
var cloneContextParameter = Expression.Parameter(typeof(ICloneContext));
__CloneValue = Expression.Lambda <Func <TValue, ICloneContext, TValue> >(
Expression.Condition(
Expression.ReferenceEqual(valueParameter, Expression.Constant(null, valueParameter.Type)),
valueParameter,
Expression.Convert(
Expression.Call(
Expression.Convert(valueParameter, typeof(IEonCloneable)),
typeof(IEonCloneable).GetMethod(
nameof(IEonCloneable.Clone),
parameterTypes: new[] { cloneContextParameter.Type },
throwIfNotFound: true),
cloneContextParameter),
valueParameter.Type)),
valueParameter,
cloneContextParameter).Compile();
}
else
{
__CloneValue = (v, c) => v;
}
}
}
