Extensions

Value Members

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

   Definition Classes

   Any

2. final def ##(): Int

   Definition Classes

   Any

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

   Definition Classes

   Any

4. final def asInstanceOf[T0]: T0

   Definition Classes

   Any

5. def enter[T](callback: T): T

   Executes the given callback with the lock acquired.

   Executes the given callback with the lock acquired.

   Is implemented as macro to eliminate any method calls overhead.

   callback

   the callback to be executed once the lock is acquired

   returns

   the returned value of our callback

   Annotations

   @macroImpl( ... )

   Example:

   1. private[this] val gate = Extensions()
      private[this] var queue = mutable.Queue.empty[Int]
      
      def push(elem: Int): Unit =
        gate.enter {
          queue.enqueue(elem)
        }
      
      def pop(): Option[Int] =
        gate.enter {
          if (queue.nonEmpty) Some(queue.dequeue()) else None
        }

6. def enterInterruptibly[T](callback: T): T

   Executes the given callback with the lock acquired, unless the thread was interrupted.

   Executes the given callback with the lock acquired, unless the thread was interrupted.

   Is implemented as macro to eliminate any method calls overhead.

   callback

   the callback to be executed once the lock is acquired

   returns

   the returned value of our callback

   Annotations

   @macroImpl( ... ) @throws( classOf[InterruptedException] )

   Example:

   1. private[this] val gate = Extensions()
      private[this] var queue = mutable.Queue.empty[Int]
      
      def push(elem: Int): Unit =
        gate.enterInterruptibly {
          queue.enqueue(elem)
        }
      
      def pop(): Option[Int] =
        gate.enterInterruptibly {
          if (queue.nonEmpty) Some(queue.dequeue()) else None
        }

   Exceptions thrown

   java.lang.InterruptedException

   exception is thrown if the thread was interrupted

7. def getClass(): Class[_ <: AnyVal]

   Definition Classes

   AnyVal → Any

8. final def isInstanceOf[T0]: Boolean

   Definition Classes

   Any

9. val self: L

10. def toString(): String

    Definition Classes

    Any

11. def tryEnter[T](time: Long, unit: TimeUnit, callback: T): Boolean

    Acquires the lock only if it is free within the given waiting time and in case the lock was acquired then executes the given callback.

    Acquires the lock only if it is free within the given waiting time and in case the lock was acquired then executes the given callback.

    time

    the maximum time to wait for the lock

    unit

    the time unit of the time argument

    callback

    the callback to execute

    returns

    either true in case the lock was acquired and the callback was executed, or false otherwise.

    Annotations

    @macroImpl( ... )

12. def tryEnter[T](callback: T): Boolean

    Acquires the lock only if it is free at the time of invocation and in case the lock was acquired then executes the given callback.

    Acquires the lock only if it is free at the time of invocation and in case the lock was acquired then executes the given callback.

    callback

    the callback to execute

    returns

    either true in case the lock was acquired and the callback was executed, or false otherwise.

    Annotations

    @macroImpl( ... )