public Message <TKey, TValue> BuildFrom(IKafkaEventData eventData)
{
var msg = new Message <TKey, TValue>()
{
Value = (TValue)eventData.Value,
};
if (eventData.Key != null)
{
if (!(eventData.Key is TKey keyValue))
{
throw new ArgumentException($"Key value is not of the expected type. Expected: {typeof(TKey).Name}. Actual: {eventData.Key.GetType().Name}");
}
msg.Key = keyValue;
}
if (eventData.Headers?.Count > 0)
{
msg.Headers = new Headers();
foreach (var header in eventData.Headers)
{
msg.Headers.Add(header.Key, header.Value);
}
}
return(msg);
}
private static void AddBindingData(Dictionary <string, object> bindingData, IKafkaEventData eventData)
{
bindingData.Add(nameof(IKafkaEventData.Key), eventData.Key);
bindingData.Add(nameof(IKafkaEventData.Partition), eventData.Partition);
bindingData.Add(nameof(IKafkaEventData.Topic), eventData.Topic);
bindingData.Add(nameof(IKafkaEventData.Timestamp), eventData.Timestamp);
bindingData.Add(nameof(IKafkaEventData.Offset), eventData.Offset);
}
public static KafkaTriggerInput New(IKafkaEventData eventData)
{
return(new KafkaTriggerInput
{
Events = new[]
{
eventData
},
_selector = 0,
});
}
public Task SetValueAsync(object value, CancellationToken cancellationToken)
{
if (value == null)
{
return(Task.FromResult(0));
}
Debug.Assert(value is T);
IKafkaEventData message = converter.Convert((T)value);
Debug.Assert(message != null);
return(entity.SendAndCreateEntityIfNotExistsAsync(message, functionInstanceId, cancellationToken));
}
/// <summary>
/// Adds an item, returning the current pending amount
/// </summary>
internal int Add(IKafkaEventData kafkaEventData)
{
this.currentBatch.Add(kafkaEventData);
return(this.currentBatch.Count);
}
