Packages

  • package root
    Definition Classes
    root
  • package com
    Definition Classes
    root
  • package twitter

    Start with com.twitter.finagle.

    Definition Classes
    com
  • package finagle

    Finagle is an extensible RPC system.

    Finagle is an extensible RPC system.

    Services are represented by class com.twitter.finagle.Service. Clients make use of com.twitter.finagle.Service objects while servers implement them.

    Finagle contains a number of protocol implementations; each of these implement Client and/or com.twitter.finagle.Server. For example, Finagle's HTTP implementation, com.twitter.finagle.Http (in package finagle-http), exposes both.

    Thus a simple HTTP server is built like this:

    import com.twitter.finagle.{Http, Service}
    import com.twitter.finagle.http.{Request, Response}
    import com.twitter.util.{Await, Future}
    
    val service = new Service[Request, Response] {
      def apply(req: Request): Future[Response] =
        Future.value(Response())
    }
    val server = Http.server.serve(":8080", service)
    Await.ready(server)

    We first define a service to which requests are dispatched. In this case, the service returns immediately with a HTTP 200 OK response, and with no content.

    This service is then served via the Http protocol on TCP port 8080. Finally we wait for the server to stop serving.

    We can now query our web server:

    % curl -D - localhost:8080
    HTTP/1.1 200 OK

    Building an HTTP client is also simple. (Note that type annotations are added for illustration.)

    import com.twitter.finagle.{Http, Service}
    import com.twitter.finagle.http.{Request, Response}
    import com.twitter.util.{Future, Return, Throw}
    
    val client: Service[Request, Response] = Http.client.newService("localhost:8080")
    val f: Future[Response] = client(Request()).respond {
      case Return(rep) =>
        printf("Got HTTP response %s\n", rep)
      case Throw(exc) =>
        printf("Got error %s\n", exc)
    }

    Http.client.newService("localhost:8080") constructs a new com.twitter.finagle.Service instance connected to localhost TCP port 8080. We then issue a HTTP/1.1 GET request to URI "/". The service returns a com.twitter.util.Future representing the result of the operation. We listen to this future, printing an appropriate message when the response arrives.

    The Finagle homepage contains useful documentation and resources for using Finagle.

    Definition Classes
    twitter
  • package redis
    Definition Classes
    finagle
  • package protocol
    Definition Classes
    redis
  • package commands
    Definition Classes
    protocol
  • BAdd
  • BCard
  • BGet
  • BMergeEx
  • BRange
  • BRem
  • GeoCommands

object GeoCommands

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  1. GeoCommands
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Type Members

  1. case class GeoAdd(key: Buf, members: Seq[GeoMember]) extends Command with StrictKeyCommand with Product with Serializable
  2. case class GeoDistance(key: Buf, fromMember: Buf, toMember: Buf, distanceUnit: GeoUnit) extends Command with StrictKeyCommand with Product with Serializable
  3. case class GeoMember(longitude: Double, latitute: Double, member: Buf) extends Product with Serializable
  4. case class GeoPosition(key: Buf, members: Seq[Buf]) extends Command with StrictKeyCommand with Product with Serializable
  5. case class GeoRadius(key: Buf, longitude: Double, latitude: Double, radius: Double, unit: GeoUnit, withCoord: Boolean = false, withDist: Boolean = false, withHash: Boolean = false, count: Option[Int] = None, sort: Option[Sort] = None, store: Option[Buf] = None, storeDist: Option[Buf] = None) extends Command with StrictKeyCommand with GeoRadiusBase with Product with Serializable
  6. sealed trait GeoRadiusBase extends AnyRef
  7. case class GeoRadiusByMember(key: Buf, member: Buf, radius: Double, unit: GeoUnit, withCoord: Boolean = false, withDist: Boolean = false, withHash: Boolean = false, count: Option[Int] = None, sort: Option[Sort] = None, store: Option[Buf] = None, storeDist: Option[Buf] = None) extends Command with StrictKeyCommand with StrictMemberCommand with GeoRadiusBase with Product with Serializable
  8. case class GeoRadiusResult(member: String, coord: Option[(Double, Double)] = None, dist: Option[Double] = None, hash: Option[Int] = None) extends Product with Serializable

    Represents value returned from GEORADIUS and GEORADIUSBYMEMBER command.

    Represents value returned from GEORADIUS and GEORADIUSBYMEMBER command. This object always contains the name of the member. It also contains coordinate, distance and geohash if command is invoked with options.

  9. sealed abstract class GeoUnit extends AnyRef

    Represents unit of geospatial distance.

    Represents unit of geospatial distance. Implementation object of this trait is passed to Redis' geospatial commands.

  10. case class Geohash(key: Buf, members: Seq[Buf]) extends Command with StrictKeyCommand with Product with Serializable
  11. sealed abstract class Sort extends AnyRef

    Object to declare the order of result set returned from Redis' geospatial command.

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  8. def finalize(): Unit
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  12. final def ne(arg0: AnyRef): Boolean
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  15. final def synchronized[T0](arg0: ⇒ T0): T0
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  16. def toString(): String
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  17. final def wait(): Unit
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    @throws( ... )
  18. final def wait(arg0: Long, arg1: Int): Unit
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  19. final def wait(arg0: Long): Unit
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  20. object GeoUnit
  21. object Sort
  22. object WithDistance extends Command with CommandArgument with Product with Serializable

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