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abstract class Context[T] extends AnyRef

Context SPI for automatic context propagation.

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Instance Constructors

  1. new Context()

Abstract Value Members

  1. abstract def get(): T

    Get the current context object for propagation.

    Get the current context object for propagation.

    Note: implementations can return null to propagate empty context.

    returns

    current context object

  2. abstract def set(context: T): Unit

    Set the propagated context object into the current scope.

    Set the propagated context object into the current scope.

    Note: implementations should handle null as empty context.

    context

    propagated context object, from associated get

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def cast(context: Any): T

    Cast an untyped object to the context type.

    Cast an untyped object to the context type.

    context

    context object

    returns

    context object as context type

    Annotations
    @SuppressWarnings()
  6. def clone(): AnyRef
    Attributes
    protected[lang]
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    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  7. final def eq(arg0: AnyRef): Boolean
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  8. def equals(arg0: Any): Boolean
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  9. final def getClass(): Class[_]
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    @native() @HotSpotIntrinsicCandidate()
  10. def hashCode(): Int
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    @native() @HotSpotIntrinsicCandidate()
  11. final def isInstanceOf[T0]: Boolean
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  12. def join(firstContext: T, secondContext: T): T

    Join two propagated context objects (such as for Futures).

    Join two propagated context objects (such as for Futures).

    Default implementation prefers the second context (for Futures, the completing context). Override this method to actually join the contexts. Note: implementations should handle null as empty context.

    firstContext

    first propagated context object, from associated get

    secondContext

    second propagated context object, from associated get

    returns

    joined or selected context (secondContext preferred by default)

  13. final def ne(arg0: AnyRef): Boolean
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  14. final def notify(): Unit
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    Annotations
    @native() @HotSpotIntrinsicCandidate()
  15. final def notifyAll(): Unit
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    @native() @HotSpotIntrinsicCandidate()
  16. final def synchronized[T0](arg0: ⇒ T0): T0
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  17. def toString(): String
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  18. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  19. final def wait(arg0: Long): Unit
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    @throws( ... ) @native()
  20. final def wait(): Unit
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    @throws( ... )

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
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    Annotations
    @throws( classOf[java.lang.Throwable] ) @Deprecated
    Deprecated

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