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com.twitter.finagle.param

CommonParams

trait CommonParams[A <: Parameterized[A]] extends AnyRef

A collection of methods for configuring common parameters (labels, stats receivers, etc) shared between Finagle clients and servers.

A

a Stack.Parameterized server/client to configure

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CommonParams[A] with Parameterized[A]
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  20. def withExceptionStatsHandler(exceptionStatsHandler: stats.ExceptionStatsHandler): A

    Configures this server or client with given exception stats handler.

  21. def withLabel(label: String): A

    Configures this server or client with given label (default: empty string).

    Configures this server or client with given label (default: empty string).

    The label value is used for stats reporting to scope stats reported from different clients/servers to a single stats receiver.

  22. def withMonitor(monitor: util.Monitor): A

    Configures this server or client with given util.Monitor (default: com.twitter.finagle.util.DefaultMonitor).

  23. def withRequestTimeout(timeout: Tunable[Duration]): A

    Configures the Tunable request timeout of this server or client (if applying the Tunable produces a value of None, an unbounded timeout is used for the request).

    Configures the Tunable request timeout of this server or client (if applying the Tunable produces a value of None, an unbounded timeout is used for the request).

    If the request has not completed within the Duration resulting from timeout.apply(), the pending work will be interrupted via com.twitter.util.Future.raise.

    Client's Request Timeout

    The client request timeout is the maximum amount of time given to a single request (if there are retries, they each get a fresh request timeout). The timeout is applied only after a connection has been acquired. That is: it is applied to the interval between the dispatch of the request and the receipt of the response.

    Server's Request Timeout

    The server request timeout is the maximum amount of time, a server is allowed to spend handling the incoming request. Using the Finagle terminology, this is an amount of time after which a non-satisfied future returned from the user-defined service times out.

    See also

    https://twitter.github.io/finagle/guide/Clients.html#timeouts-expiration and https://twitter.github.io/finagle/guide/Configuration.html#tunables

  24. def withRequestTimeout(timeout: Duration): A

    Configures the request timeout of this server or client (default: unbounded).

    Configures the request timeout of this server or client (default: unbounded).

    If the request has not completed within the given timeout, the pending work will be interrupted via com.twitter.util.Future.raise.

    Client's Request Timeout

    The client request timeout is the maximum amount of time given to a single request (if there are retries, they each get a fresh request timeout). The timeout is applied only after a connection has been acquired. That is: it is applied to the interval between the dispatch of the request and the receipt of the response.

    Server's Request Timeout

    The server request timeout is the maximum amount of time, a server is allowed to spend handling the incoming request. Using the Finagle terminology, this is an amount of time after which a non-satisfied future returned from the user-defined service times out.

    See also

    https://twitter.github.io/finagle/guide/Clients.html#timeouts-expiration

  25. def withResponseClassifier(responseClassifier: service.ResponseClassifier): A

    Configure a com.twitter.finagle.service.ResponseClassifier which is used to determine the result of a request/response.

    Configure 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 responses. Without this, Finagle cannot make judgements about application-level failures as it only has a narrow understanding of failures (for example: transport level, timeouts, and nacks).

    As an example take an HTTP server that returns a response with a 500 status code. To Finagle this is a successful request/response. However, the application developer may want to treat all 500 status codes as failures and can do so via setting a com.twitter.finagle.service.ResponseClassifier.

    ResponseClassifier is a PartialFunction and as such multiple classifiers can be composed together via PartialFunction.orElse.

    Response classification is independently configured on the client and server. For client-side response classification using com.twitter.finagle.builder.ClientBuilder, see com.twitter.finagle.builder.ClientBuilder.responseClassifier

    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.

  26. def withStatsReceiver(statsReceiver: StatsReceiver): A

    Configures this server or client with given stats.StatsReceiver (default: stats.DefaultStatsReceiver).

  27. def withTracer(tracer: tracing.Tracer): A

    Configures this server or client with given tracing.Tracer (default: com.twitter.finagle.tracing.DefaultTracer).

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