public async Task DoC(string name)
{
Console.WriteLine($"{name} created");
// calculate accessScope
long accessScope = 3;
using (IAccessContext <long> q
= Context.CreateChild(accessScope))
{
char contextName = NewContextName();
await q.UntilAvailable();
await Task.Run(() =>
{
for (int i = 0; i < 5; i++)
{
work(q, name, contextName, "DoC");
}
q.RequiredScope = 1;
// perform something here
for (int i = 0; i < 6; i++)
{
work(q, name, contextName, "DoC");
}
});
}
}
private async Task <long> readNextIndex(
IAccessContext <enumeratorScope> subContext)
{
await subContext.UntilAvailable(
new enumeratorScope(nextIndex : RWScope.Read));
return(nextIndex);
}
private async Task setCurrentNode(
node value, IAccessContext <enumeratorScope> subContext)
{
await subContext.UntilAvailable(
new enumeratorScope(RWScope.ReadWrite));
currentNode = value;
}
private async Task <node> readCurrentNode(
IAccessContext <enumeratorScope> subContext)
{
await subContext.UntilAvailable(
new enumeratorScope(RWScope.Read));
return(currentNode);
}
/// <remarks>
/// No child context of <paramref name="context"/>
/// may be created und employed before
/// the invocation of this method because
/// this method itself does not create an own child context.
/// </remarks>
private async Task <node> getFirstNode(IAccessContext <CSScope> context)
{
await context.UntilAvailable(new CSScope(
valueScope : InfiniteIntervalScope.Create(
RWScope.Read, 0, 1)));
return(state.FirstNode);
}
private async Task incrementNextIndex(
IAccessContext <enumeratorScope> subContext)
{
/* These two statemets (InChild and UntilAvailable)
* could possibly be combined to a single
* (extension) method for AccessContext. */
await subContext.InChild(new enumeratorScope(
nextIndex : RWScope.ReadWrite), async c =>
{
await subContext.UntilAvailable();
nextIndex++;
});
}
/* Private methods may get the surrounding context to spare
* the creation of a new Contextual instance. */
/// <remarks>
/// No child context of <paramref name="context"/>
/// may be created und employed before
/// the invocation of this method because
/// this method itself does not create an own child context.
/// </remarks>
private async Task <long> getCount(IAccessContext <CSScope> context)
{
await context.UntilAvailable(new CSScope(RWScope.Read));
return(state.Count);
}
