How to use

enable

method

in

com.netflix.hollow.api.producer.enforcer.BasicSingleProducerEnforcer

@Test
public void testEnableDisable() {
  BasicSingleProducerEnforcer se = new BasicSingleProducerEnforcer();
  Assert.assertTrue(se.isPrimary());
  se.disable();
  Assert.assertFalse(se.isPrimary());
  se.enable();
  Assert.assertTrue(se.isPrimary());
}

@Test
public void testMultiCycle() {
  BasicSingleProducerEnforcer se = new BasicSingleProducerEnforcer();
  for (int i = 0; i < 10; i++) {
    se.enable();
    Assert.assertTrue(se.isPrimary());
    se.onCycleStart(1234L);
    se.disable();
    Assert.assertTrue(se.isPrimary());
    se.onCycleComplete(null, 10L, TimeUnit.SECONDS);
    Assert.assertFalse(se.isPrimary());
  }
}

@Test
public void testNotPrimaryProducerVersion() {
  BasicSingleProducerEnforcer enforcer = new BasicSingleProducerEnforcer();
  HollowProducer producer = HollowProducer.withPublisher(new FakeBlobPublisher())
      .withSingleProducerEnforcer(enforcer)
      .withAnnouncer(new HollowFilesystemAnnouncer(tmpFolder.toPath()))
      .build();
  producer.addListener(new FakeProducerListener());
  long v1 = producer.runCycle(ws -> {
    ws.add(1);
  });
  enforcer.disable();
  // Run cycle as not the primary producer
  long v2 = producer.runCycle(ws -> {
    ws.add(1);
  });
  // Run cycle as the primary producer
  enforcer.enable();
  long v3 = producer.runCycle(ws -> {
    ws.add(2);
  });
  Assert.assertEquals(v1, v2);
  Assert.assertTrue(v3 > v2);
}

@Test
public void testTransitions() {
  BasicSingleProducerEnforcer se = new BasicSingleProducerEnforcer();
  Assert.assertTrue(se.isPrimary());
  se.onCycleStart(1234L);
  Assert.assertTrue(se.isPrimary());
  se.disable();
  Assert.assertTrue(se.isPrimary());
  se.onCycleComplete(null, 10L, TimeUnit.SECONDS);
  Assert.assertFalse(se.isPrimary());
  se.enable();
  Assert.assertTrue(se.isPrimary());
  se.onCycleStart(1235L);
  Assert.assertTrue(se.isPrimary());
  se.disable();
  Assert.assertTrue(se.isPrimary());
  se.onCycleComplete(null, 10L, TimeUnit.SECONDS);
  Assert.assertFalse(se.isPrimary());
}