Package org.apache.ignite.internal.processors.cache.distributed.dht.preloader.latch

Interface Latch

  • public interface Latch
    Simple distributed count down latch interface. Latch supports count down and await logic. Latch functionality is not relied on caches and has own state management ExchangeLatchManager.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void await()
      Awaits current latch completion.
      void await​(long timeout, TimeUnit timeUnit)
      Awaits current latch completion with specified timeout.
      void countDown()
      Decrements count on current latch.

    • Method Detail

      • countDown

        void countDown()
        Decrements count on current latch. Release all latch waiters on all nodes if count reaches zero. This is idempotent operation. Invoking this method twice or more on the same node doesn't have any effect.

      • await

        void await​(long timeout,
           TimeUnit timeUnit)
    throws IgniteCheckedException
        Awaits current latch completion with specified timeout.
        Parameters:
        timeout - Timeout value.
        timeUnit - Timeout time unit.
        Throws:
        IgniteCheckedException - If await is failed.