Package org.infinispan.api.sync

Interface SyncStrongCounter

public interface SyncStrongCounter
Since:
14.0

  • Method Details

    • name

      String name()

    • container

      SyncContainer container()
      Return the container of this counter
      Returns:

    • value

      long value()
      It fetches the current value.

      It may go remotely to fetch the current value.

      Returns:
      The current value.

    • incrementAndGet

      default long incrementAndGet()
      Atomically increments the counter and returns the new value.
      Returns:
      The new value.

    • decrementAndGet

      default long decrementAndGet()
      Atomically decrements the counter and returns the new value
      Returns:
      The new value.

    • addAndGet

      long addAndGet(long delta)
      Atomically adds the given value and return the new value.
      Parameters:
      delta - The non-zero value to add. It can be negative.
      Returns:
      The new value.

    • reset

      CompletableFuture<Void> reset()
      Resets the counter to its initial value.

    • listen

      AutoCloseable listen(Consumer<CounterEvent> listener)
      Registers a Consumer<CounterEvent> to this counter.
      Parameters:
      listener - The listener to register.
      Returns:
      A AutoCloseable that allows to remove the listener via AutoCloseable.close().

    • compareAndSet

      default boolean compareAndSet(long expect, long update)
      Atomically sets the value to the given updated value if the current value == the expected value.

      It is the same as return compareAndSwap(expect, update).thenApply(value -> value == expect);

      Parameters:
      expect - the expected value
      update - the new value
      Returns:
      true if successful, false otherwise.

    • compareAndSwap

      long compareAndSwap(long expect, long update)
      Atomically sets the value to the given updated value if the current value == the expected value.

      The operation is successful if the return value is equals to the expected value.

      Parameters:
      expect - the expected value.
      update - the new value.
      Returns:
      the previous counter's value.

    • getAndSet

      long getAndSet(long value)
      Atomically sets the value to the given updated value
      Parameters:
      value - the new value.
      Returns:
      the old value of counter.

    • configuration

      CounterConfiguration configuration()
      Returns:
      the CounterConfiguration used by this counter.