/// <summary>
/// Resources the values core asynchronous.
/// </summary>
/// <param name="observer">The observer.</param>
/// <param name="immediacy">The immediacy.</param>
/// <returns>Resource value observer</returns>
protected virtual async Task <ResourceValuesObserver> ResourceValuesCoreAsync(ResourceValuesObserver observer, FirstValueImmediacy immediacy)
{
Immediacy = immediacy;
observer.OnFilterAdded += (id) => ConstructPresubscriptionArray(id);
observer.OnUnsubscribed += (id) => UnsubscribeSubscriptions(id);
ResourceValueObservers.Add(observer);
ConstructPresubscriptionArray(observer.Id);
await StartNotificationsAsync();
return(observer);
}
/// <summary>
/// Resources the values.
/// </summary>
/// <param name="resourcePaths">The resource paths.</param>
/// <param name="immediacy">The immediacy.</param>
/// <returns>ResourceValueObserver</returns>
public async Task <ResourceValuesObserver> ResourceValuesAsync(List <string> resourcePaths, FirstValueImmediacy immediacy = FirstValueImmediacy.OnValueUpdate)
{
var observer = new ResourceValuesObserver("*", resourcePaths);
return(await ResourceValuesCoreAsync(observer, immediacy));
}
/// <summary>
/// Resources the values.
/// </summary>
/// <param name="deviceId">The device identifier.</param>
/// <param name="immediacy">The immediacy.</param>
/// <returns>ResourceValueObserver</returns>
public async Task <ResourceValuesObserver> ResourceValuesAsync(string deviceId, FirstValueImmediacy immediacy = FirstValueImmediacy.OnValueUpdate)
{
var observer = new ResourceValuesObserver(deviceId, Enumerable.Empty <string>());
return(await ResourceValuesCoreAsync(observer, immediacy));
}
/// <summary>
/// Resources the values.
/// </summary>
/// <param name="immediacy">The immediacy.</param>
/// <returns>ResourceValueObserver</returns>
public async Task <ResourceValuesObserver> ResourceValuesAsync(FirstValueImmediacy immediacy = FirstValueImmediacy.OnValueUpdate)
{
var observer = new ResourceValuesObserver();
return(await ResourceValuesCoreAsync(observer, immediacy));
}
/// <summary>
/// Resources the values.
/// </summary>
/// <param name="deviceId">The device identifier.</param>
/// <param name="resourcePath">The resource path.</param>
/// <param name="immediacy">The immediacy.</param>
/// <returns>ResourceValueObserver</returns>
public async Task <ResourceValuesObserver> ResourceValuesAsync(string deviceId, string resourcePath, FirstValueImmediacy immediacy = FirstValueImmediacy.OnValueUpdate)
{
var observer = new ResourceValuesObserver(deviceId, resourcePath);
return(await ResourceValuesCoreAsync(observer, immediacy));
}
