com.twitter.util

Monitor

Related Docs: object Monitor | package util

trait Monitor extends AnyRef

A Monitor is a composable exception handler. It is independent of position, divorced from the notion of a call stack. Monitors do not recover values from a failed computations: It handles only true exceptions that may require cleanup.

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Monitor
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Abstract Value Members

  1. abstract def handle(exc: Throwable): Boolean

    Attempt to handle the exception exc.

    Attempt to handle the exception exc.

    returns

    whether the exception was handled by this Monitor

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. def andThen(next: Monitor): Monitor

    A new monitor which first handles the exception with this, then passes it onto next unconditionally.

    A new monitor which first handles the exception with this, then passes it onto next unconditionally. The new monitor handles the exception if either this or next does.

  5. def apply(f: ⇒ Unit): Unit

    Run f inside of the monitor context.

    Run f inside of the monitor context. If f throws an exception - directly or not - it is handled by this monitor.

  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  8. final def eq(arg0: AnyRef): Boolean

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  9. def equals(arg0: Any): Boolean

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  10. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )
  11. final def getClass(): Class[_]

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. final def ne(arg0: AnyRef): Boolean

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  15. final def notify(): Unit

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  16. final def notifyAll(): Unit

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  17. def orElse(next: Monitor): Monitor

    A new monitor which, if this fails to handle the exception, attempts to let next handle it.

  18. final def synchronized[T0](arg0: ⇒ T0): T0

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  19. def toString(): String

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  20. def tryHandle(exc: Throwable): Try[Unit]

    An implementation widget: attempts to handle exc returning a com.twitter.util.Try[Unit].

    An implementation widget: attempts to handle exc returning a com.twitter.util.Try[Unit]. If the exception is unhandled, we return Throw(exc), if the handler throws an exception, we wrap it in a MonitorException.

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  21. final def wait(): Unit

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    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  23. final def wait(arg0: Long): Unit

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