/// <summary>
/// Returns the <see cref="SyncSignalStatus"/> for the specified workflow and signal.
/// </summary>
/// <param name="signalId">The target signal ID.</param>
/// <returns>The <see cref="SyncSignalStatus"/> for the signal.</returns>
internal SyncSignalStatus GetSignalStatus(string signalId)
{
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(signalId), nameof(signalId));
// Lookup the status for the signal.
lock (syncLock)
{
if (!signalIdToStatus.TryGetValue(signalId, out var signalStatus))
{
signalStatus = new SyncSignalStatus()
{
Completed = false
};
signalIdToStatus.Add(signalId, signalStatus);
}
return(signalStatus);
}
}
/// <summary>
/// Creates a new signal status record for the specified signal ID if no signal
/// status already exists.
/// </summary>
/// <param name="signalId">The signal ID.</param>
/// <param name="args">The signal arguments.</param>
/// <param name="newSignal">Returns as <c>true</c> if the signal status was created by the method.</param>
/// <returns>The new <see cref="SyncSignalStatus"/> instance or the preexisting one.</returns>
internal SyncSignalStatus SetSignalStatus(string signalId, Dictionary <string, object> args, out bool newSignal)
{
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(signalId), nameof(args));
Covenant.Requires <ArgumentNullException>(args != null, nameof(args));
newSignal = false;
lock (syncLock)
{
if (!signalIdToStatus.TryGetValue(signalId, out var signalStatus))
{
newSignal = true;
signalStatus = new SyncSignalStatus();
signalIdToStatus.Add(signalId, signalStatus);
}
signalStatus.Args = args;
return(signalStatus);
}
}
