Mastering Internet of Things

Notifying subscribers manually

We also need to be able to manually trigger our observable notifications. For digital input objects, this is easy. We do this every time the digital input changes state:

  public void Set(bool Value) 
  { 
    if (!this.state.BooleanValue.HasValue || 
      this.state.BooleanValue.Value != Value) 
    { 
      this.state.BooleanValue = Value; 
      this.state.TriggerAll(); 
 
      if (Value) 
      { 
        this.counter.IntegerValue++; 
        this.counter.TriggerAll(); 
      } 
 
      this.TriggerAll(); 
    } 
  } 
}