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akka.util

Helpers

object Helpers

Source
Helpers.scala
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Type Members

  1. implicit final class Requiring [A] extends AnyVal

    Implicit class providing requiring methods.

    Implicit class providing requiring methods. This class is based on Predef.ensuring in the Scala standard library. The difference is that this class's methods throw IllegalArgumentExceptions rather than AssertionErrors.

    An example adapted from Predef's documentation:

    import akka.util.Helpers.Requiring

def addNaturals(nats: List[Int]): Int = {
  require(nats forall (_ >= 0), "List contains negative numbers")
  nats.foldLeft(0)(_ + _)
} requiring(_ >= 0)
    Annotations
    @inline()

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 base64(l: Long, sb: StringBuilder = new java.lang.StringBuilder("$")): String
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    @tailrec()
  6. final val base64chars: String("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+~")
  7. def clone(): AnyRef
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    protected[java.lang]
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    @throws( ... )
  8. def compareIdentityHash(a: AnyRef, b: AnyRef): Int
  9. def currentTimeMillisToUTCString(timestamp: Long): String

    Converts a "currentTimeMillis"-obtained timestamp accordingly:

    Converts a "currentTimeMillis"-obtained timestamp accordingly:

    "$hours%02d:$minutes%02d:$seconds%02d.$ms%03dUTC"
    timestamp

    a "currentTimeMillis"-obtained timestamp

    returns

    the formatted timestamp

  10. final def eq(arg0: AnyRef): Boolean
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  11. def equals(arg0: Any): Boolean
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  12. def finalize(): Unit
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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  13. final def getClass(): Class[_]
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  14. def hashCode(): Int
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  15. def identityHashComparator[T <: AnyRef](comp: Comparator[T]): Comparator[T]

    Create a comparator which will efficiently use System.identityHashCode, unless that happens to be the same for two non-equals objects, in which case the supplied “real” comparator is used; the comparator must be consistent with equals, otherwise it would not be an enhancement over the identityHashCode.

  16. final def isInstanceOf[T0]: Boolean
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  17. val isWindows: Boolean
  18. def makePattern(s: String): Pattern
  19. final def ne(arg0: AnyRef): Boolean
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  20. final def notify(): Unit
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  21. final def notifyAll(): Unit
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  22. final def synchronized[T0](arg0: ⇒ T0): T0
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  23. def toRootLowerCase(s: String): String
  24. def toString(): String
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  25. final def wait(): Unit
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    @throws( ... )
  26. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  27. final def wait(arg0: Long): Unit
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