org.megam.util

Monitor

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.

Self Type
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: AnyRef): Boolean

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  2. final def !=(arg0: Any): Boolean

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

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  6. 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.

  7. 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.

  8. final def asInstanceOf[T0]: T0

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  9. def clone(): AnyRef

    Attributes
    protected[java.lang]
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    @throws( ... )
  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

    Attributes
    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. final def isInstanceOf[T0]: Boolean

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

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  17. final def notify(): Unit

    Definition Classes
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  18. final def notifyAll(): Unit

    Definition Classes
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  19. def orElse(next: Monitor): Monitor

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

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

    Definition Classes
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  21. def toString(): String

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

    An implementation widget: attempts to handle {{exc}} returning a {{org.

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

    Attributes
    protected
  23. final def wait(): Unit

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

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

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    @throws( ... )

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