case class ResponseClassifier(responseClassifier: service.ResponseClassifier) extends Product with Serializable
A class eligible for configuring a com.twitter.finagle.service.ResponseClassifier which is used to determine the result of a request/response.
This allows developers to give Finagle the additional application specific knowledge necessary in order to properly classify them. Without this, Finagle can only safely make judgements about the transport level failures.
As an example take an HTTP client that receives a response with a 500 status code back from a server. To Finagle this is a successful request/response based solely on the transport level. The application developer may want to treat all 500 status codes as failures and can do so via a com.twitter.finagle.service.ResponseClassifier.
It is a PartialFunction and as such multiple classifiers can be composed together via PartialFunction.orElse.
- Note
If unspecified, the default classifier is com.twitter.finagle.service.ResponseClassifier.Default which is a total function fully covering the input domain.
- See also
com.twitter.finagle.http.service.HttpResponseClassifier
for some HTTP classification tools.
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