Packages

final class JsonTunableMapper extends AnyRef

Parses a given JSON string into a TunableMap. The expected format is:

"tunables":
  [
     {
       "id" : "$id1",
       "value" : $value,
       "type" : "$class"
     },
     {
       "id" : "$id2",
       "value" : $value,
       "type" : "$class",
       "comment": "optional comment"
     }
 ]

Where $id1 and $id2 are unique identifiers used to access the Tunable, $value is the value, and $class is the fully-qualified class name (e.g. com.twitter.util.Duration)

If the JSON is invalid, or contains duplicate ids for Tunables, parse will return a Throw. Otherwise, parse returns Return[TunableMap

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Instance Constructors

  1. new JsonTunableMapper(deserializers: Seq[JsonDeserializer[_]])

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  5. def clone(): AnyRef
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  6. final def eq(arg0: AnyRef): Boolean
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  8. def finalize(): Unit
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  9. final def getClass(): Class[_ <: AnyRef]
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  10. def hashCode(): Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. def loadJsonTunables(id: String, path: String): TunableMap

    Load and parse the JSON file located at path in the application's resources.

    Load and parse the JSON file located at path in the application's resources.

    If no configuration files exist, return NullTunableMap. If multiple configuration files exists, return IllegalArgumentException If the configuration file cannot be parsed, return IllegalArgumentException

  13. final def ne(arg0: AnyRef): Boolean
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  14. final def notify(): Unit
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  15. final def notifyAll(): Unit
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    @native()
  16. def parse(json: String): Try[TunableMap]

    Parse the given JSON string json into a TunableMap

  17. final def synchronized[T0](arg0: => T0): T0
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  18. def toString(): String
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  19. final def wait(): Unit
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  20. final def wait(arg0: Long, arg1: Int): Unit
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  21. final def wait(arg0: Long): Unit
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