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com.twitter.finagle.util

loadServiceDenied

object loadServiceDenied extends GlobalFlag[Set[String]]

A deny list of implementations to ignore. Keys are the fully qualified class names. Any other implementations that are found via LoadService.apply are eligible to be used.

As an example, here's how to filter out OstrichStatsReceiver, OstrichExporter and CommonsStatsReceiver using a global flag:

-Dcom.twitter.finagle.util.loadServiceDenied=com.twitter.finagle.stats.OstrichStatsReceiver,com.twitter.finagle.stats.OstrichExporter,com.twitter.finagle.stats.CommonsStatsReceiver

We need to pass the arguments as Java property values instead of as Java application arguments (regular TwitterServer flags) because app.LoadService may be loaded before application arguments are parsed.

Note

this lives in com.twitter.finagle.util for historical reasons as this flag began its life in Finagle and in order to keep backwards compatibility it remains in that package.

Linear Supertypes
GlobalFlag[Set[String]], Flag[Set[String]], AnyRef, Any
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  1. loadServiceDenied
  2. GlobalFlag
  3. Flag
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Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def apply(): Set[String]

    Return this flag's current value.

    Return this flag's current value. The default value is returned when the flag has not otherwise been set.

    Definition Classes
    Flag
  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )
  7. def defaultString(): String

    String representation of this flag's default value

    String representation of this flag's default value

    Definition Classes
    Flag
  8. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  9. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  10. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  11. val flaggable: Flaggable[Set[String]]
    Attributes
    protected
    Definition Classes
    Flag
  12. def get: Option[Set[String]]

    Get the value if it has been set.

    Get the value if it has been set.

    Definition Classes
    Flag
    Note

    if no user-defined value has been set, None will be returned even when a default value is supplied.

    See also

    Flag.getWithDefault

  13. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  14. def getGlobalFlag: Flag[_]

    Used by Flags.parseArgs to initialize Flag values.

    Used by Flags.parseArgs to initialize Flag values.

    Definition Classes
    GlobalFlag
    Note

    Called via reflection assuming it will be a static method on a singleton object. This causes problems for Java developers who want to create a GlobalFlag as there is no good means for them to have it be a static method. Thus, Java devs must add a method public static Flag<?> globalFlagInstance() which returns the singleton instance of the flag. See JavaGlobalFlag for more details.

  15. def getValue: Option[Set[String]]
    Attributes
    protected
    Definition Classes
    GlobalFlagFlag
  16. def getWithDefault: Option[Set[String]]

    Get the value if it has been set or if there is a default value supplied.

    Get the value if it has been set or if there is a default value supplied.

    Definition Classes
    Flag
    See also

    Flag.get and Flag.isDefined if you are interested in determining if there is a supplied value.

  17. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  18. val help: String
    Definition Classes
    Flag
  19. def isDefined: Boolean

    True if the flag has been set.

    True if the flag has been set.

    Definition Classes
    Flag
    Note

    if no user-defined value has been set, false will be returned even when a default value is supplied.

  20. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  21. def let[R](t: Set[String])(f: ⇒ R): R

    Override the value of this flag with t, only for the scope of the current com.twitter.util.Local for the given function f.

    Override the value of this flag with t, only for the scope of the current com.twitter.util.Local for the given function f.

    Definition Classes
    Flag
    See also

    letClear

  22. def letClear[R](f: ⇒ R): R

    Unset the value of this flag, such that isDefined will return false, only for the scope of the current com.twitter.util.Local for the given function f.

    Unset the value of this flag, such that isDefined will return false, only for the scope of the current com.twitter.util.Local for the given function f.

    Definition Classes
    Flag
    See also

    let

  23. val name: String

    The "name", or "id", of this Flag.

    The "name", or "id", of this Flag.

    While not marked final, if a subclass overrides this value, then developers must set that flag via System properties as otherwise it will not be recognized with command-line arguments. e.g. -DyourGlobalFlagName=flagName

    Definition Classes
    GlobalFlagFlag
  24. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  25. def noArgumentOk: Boolean

    Indicates whether or not the flag is valid without an argument.

    Indicates whether or not the flag is valid without an argument.

    Definition Classes
    Flag
  26. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  27. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  28. def parse(): Unit

    Parse this flag with no argument.

    Parse this flag with no argument.

    Definition Classes
    Flag
  29. def parse(raw: String): Unit

    Parse value raw into this flag.

    Parse value raw into this flag.

    Definition Classes
    Flag
  30. def parsingDone: Boolean
    Attributes
    protected[this]
    Definition Classes
    GlobalFlagFlag
  31. def reset(): Unit

    Reset this flag's value

    Reset this flag's value

    Definition Classes
    Flag
  32. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  33. def toString(): String

    String representation of this flag in -foo='bar' format, suitable for being used on the command line.

    String representation of this flag in -foo='bar' format, suitable for being used on the command line.

    Definition Classes
    Flag → AnyRef → Any
  34. def usageString: String
    Definition Classes
    Flag
  35. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  36. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  37. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )

Inherited from GlobalFlag[Set[String]]

Inherited from Flag[Set[String]]

Inherited from AnyRef

Inherited from Any

Ungrouped