public void HandleStart(ExternalTask <TJob> task)
{
var result = new ExternalTaskResult
{
ExternalTaskId = task.ExternalTaskId,
Topic = task.Topic,
Status = ExternalTaskResultStatus.RUNNING,
Variables = task.Variables
};
SendToResultChannel(result);
}
public void HandleSuccess(ExternalTask <TJob> task)
{
var result = new ExternalTaskResult
{
ExternalTaskId = task.ExternalTaskId,
Topic = task.Topic,
Status = ExternalTaskResultStatus.FINISHED,
Variables = task.Variables
};
SendToResultChannel(result);
}
public void HandleError(ExternalTask <TJob> task, string errorMessage)
{
var result = new ExternalTaskErrorResult
{
ExternalTaskId = task.ExternalTaskId,
Topic = task.Topic,
Status = ExternalTaskResultStatus.ERROR,
Variables = task.Variables,
ErrorMessage = errorMessage
};
SendToResultChannel(result);
}
public Task StartAsync(CancellationToken cancellationToken)
{
topicChannel.QueueDeclare(queue: configuration.TopicChannel, durable: false, exclusive: false, autoDelete: false, arguments: null);
resultChannel.QueueDeclare(queue: configuration.ResultChannel, durable: false, exclusive: false, autoDelete: false, arguments: null);
var consumer = new EventingBasicConsumer(topicChannel);
consumer.Received += (model, ea) =>
{
var body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
ExternalTask <TJob> task = JsonSerializer.Deserialize <ExternalTask <TJob> >(message);
logger.LogInformation("recieved task", task);
HandleTask(task);
};
topicChannel.BasicConsume(queue: configuration.TopicChannel, autoAck: true, consumer: consumer);
return(Task.CompletedTask);
}
public virtual void HandleTask(ExternalTask <TJob> task)
{
}