Package io.vertx.core.shareddata

Examples of io.vertx.core.shareddata.Counter.decrementAndGet()

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    getVertx().sharedData().getCounter("foo", ar -> {
      Counter counter = ar.result();
      assertNullPointerException(() -> counter.get(null));
      assertNullPointerException(() -> counter.incrementAndGet(null));
      assertNullPointerException(() -> counter.getAndIncrement(null));
      assertNullPointerException(() -> counter.decrementAndGet(null));
      assertNullPointerException(() -> counter.addAndGet(1, null));
      assertNullPointerException(() -> counter.getAndAdd(1, null));
      assertNullPointerException(() -> counter.compareAndSet(1, 1, null));
      testComplete();
    });
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  @Test
  public void testDecrementAndGet() {
    getVertx().sharedData().getCounter("foo", ar -> {
      assertTrue(ar.succeeded());
      Counter counter = ar.result();
      counter.decrementAndGet(ar2 -> {
        assertTrue(ar2.succeeded());
        assertEquals(-1l, ar2.result().longValue());
        getVertx().sharedData().getCounter("foo", ar3 -> {
          assertTrue(ar3.succeeded());
          Counter counter2 = ar3.result();
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        assertTrue(ar2.succeeded());
        assertEquals(-1l, ar2.result().longValue());
        getVertx().sharedData().getCounter("foo", ar3 -> {
          assertTrue(ar3.succeeded());
          Counter counter2 = ar3.result();
          counter2.decrementAndGet(ar4 -> {
            assertTrue(ar4.succeeded());
            assertEquals(-2l, ar4.result().longValue());
            testComplete();
          });
        });
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