public async Task SetColor(GrainInformation grainInformation)
{
//// Initialize state if no record is present.
if (this.State.GrainInformation == null)
{
this.State.GrainInformation = new List <GrainInformation>();
}
//// Don't add more than 20 requests in queue. If grain request is already present, delete and add it.
var existingGrain =
this.State.GrainInformation.FirstOrDefault(element => element.DeviceId == grainInformation.DeviceId);
if (null != existingGrain)
{
this.State.GrainInformation.Remove(existingGrain);
}
this.State.GrainInformation.Add(grainInformation);
if (this.State.GrainInformation.Count > 20)
{
this.State.GrainInformation.RemoveRange(0, this.State.GrainInformation.Count - 20);
}
//// Persist state.
await this.WriteStateAsync();
}
public async Task SetColor(string colorName)
{
//// This will save color to state and persist it to storage on executing WriteStateAsync.
this.State.Color = colorName;
await this.WriteStateAsync();
//// We'll invoke Aggregator grain now so that we can collect all different grain requests.
var aggregatorGrain = this.GrainFactory.GetGrain <IAggregatorGrain>("aggregator");
//// Set information that aggregator grain would use.
var grainInformation = new GrainInformation
{
DeviceId = this.GetPrimaryKeyString(),
Time = DateTime.Now,
Value = colorName
};
await aggregatorGrain.SetColor(grainInformation);
}