public static LinkConsumerMessageHandlerBuilder Create(
LinkConsumerMessageHandlerDelegate <object> onMessage
)
=> new LinkConsumerMessageHandlerBuilder(
(serializer, mapping) => msg =>
{
object body;
var props = msg.Properties.Clone();
var typeName = props.Type;
if (string.IsNullOrWhiteSpace(typeName))
{
return(Task.FromException <LinkConsumerAckStrategy>(new LinkCosumerTypeNameMappingException()));
}
typeName = typeName.Trim();
var bodyType = mapping.Map(typeName);
if (bodyType == null)
{
return(Task.FromException <LinkConsumerAckStrategy>(
new LinkCosumerTypeNameMappingException(typeName)));
}
try
{
body = serializer.Deserialize(bodyType, msg.Body, props);
}
catch (Exception ex)
{
var sException = new LinkDeserializationException(msg, bodyType, ex);
return(Task.FromException <LinkConsumerAckStrategy>(sException));
}
var concreteMsg = LinkMessageFactory
.ConstructConsumedMessage(bodyType, body, props, msg.RecieveProperties, msg.Cancellation);
return(onMessage(concreteMsg));
},
true,
true
);
public static LinkConsumerMessageHandlerBuilder Create <TBody>(
LinkConsumerMessageHandlerDelegate <TBody> onMessage
) where TBody : class
{
if (typeof(TBody) == typeof(byte[]) || typeof(TBody) == typeof(object))
{
throw new ArgumentException("Type of TBody must be concrete and not equal byte[]");
}
return(new LinkConsumerMessageHandlerBuilder(
(serializer, mapping) => msg =>
{
TBody body;
var props = msg.Properties.Clone();
try
{
body = serializer.Deserialize <TBody>(msg.Body, props);
}
catch (Exception ex)
{
var sException = new LinkDeserializationException(msg, typeof(TBody), ex);
return Task.FromException <LinkConsumerAckStrategy>(sException);
}
var concreteMsg = new LinkConsumedMessage <TBody>(
body,
props,
msg.ReceiveProperties,
msg.Cancellation
);
return onMessage(concreteMsg);
},
true,
false
));
}