sealed trait AttributeKey[T] extends AnyRef

A key in an AttributeMap that constrains its associated value to be of type T. The key is uniquely defined by its label and type T, represented at runtime by manifest.

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Abstract Value Members

  1. abstract def description: Option[String]

    An optional, brief description of the key.

  2. abstract def extend: Seq[AttributeKey[_]]

    In environments that support delegation, looking up this key when it has no associated value will delegate to the values associated with these keys.

    In environments that support delegation, looking up this key when it has no associated value will delegate to the values associated with these keys. The delegation proceeds in order the keys are returned here.

  3. abstract def isLocal: Boolean

    Specifies whether this key is a local, anonymous key (true) or not (false).

    Specifies whether this key is a local, anonymous key (true) or not (false). This is typically only used for programmatic, intermediate keys that should not be referenced outside of a specific scope.

  4. abstract def label: String

    The label is the identifier for the key and is camelCase by convention.

  5. abstract def manifest: Manifest[T]

    The runtime evidence for T

  6. abstract def optJsonWriter: OptJsonWriter[T]
  7. abstract def rank: Int

    Identifies the relative importance of a key among other keys.

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 clone(): AnyRef
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    protected[java.lang]
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    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean
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  7. def equals(arg0: Any): Boolean
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  8. def finalize(): Unit
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    protected[java.lang]
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  9. final def getClass(): Class[_]
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  10. def hashCode(): Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. final def ne(arg0: AnyRef): Boolean
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  13. final def notify(): Unit
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  14. final def notifyAll(): Unit
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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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  18. final def wait(arg0: Long, arg1: Int): Unit
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  19. final def wait(arg0: Long): Unit
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