public WaitHandle RegisterWaitHandler(ResultFilter filter)
{
var waitEvent = new ManualResetEvent(false);
var registeredWait = new RegisteredResultWait(filter, waitEvent);
var handle = new WaitHandle();
if (!this.waits.TryAdd(handle, registeredWait))
{
throw new InvalidOperationException("Wait is already registered");
}
return handle;
}
/// <summary>
/// Initializes a new instance of the <see cref="RegisteredResultWait"/> class.
/// </summary>
/// <param name="filter">
/// The filter.
/// </param>
/// <param name="waitEvent">
/// The wait event.
/// </param>
internal RegisteredResultWait(ResultFilter filter, ManualResetEvent waitEvent)
{
this.Filter = filter;
this.WaitEvent = waitEvent;
}
/// <summary>
/// Registers a callback. This will be called when the result of a function is found that matches the filter
/// </summary>
/// <param name="filter">
/// The filter to determine the matching result
/// </param>
/// <param name="callback">
/// The function to call when the result is received
/// </param>
public void RegisterResultCallback(ResultFilter filter, ResultCallback callback)
{
if (!this.callbacks.TryAdd(new RegisteredResultCallback(filter, callback), 0))
{
throw new InvalidOperationException("Could not register callback");
}
}