How to use

hasMetadata

method

in

com.yahoo.bullet.pubsub.PubSubMessage

/**
 * Check if the message has a {@link Signal}.
 *
 * @return true if message has a signal.
 */
public boolean hasSignal() {
  return hasMetadata() && metadata.hasSignal();
}

/**
 * Check if message has a given {@link Signal}.
 *
 * @param signal The signal to check for.
 * @return true if message has the given signal.
 */
public boolean hasSignal(Signal signal) {
  return hasMetadata() && metadata.hasSignal(signal);
}

Assert.assertEquals(actual.getContent(), "{}");
Assert.assertFalse(actual.hasSignal());
Assert.assertTrue(actual.hasMetadata());
Metadata metadata = actual.getMetadata();
Assert.assertEquals(metadata.getContent(), makeReturnInfo("fakefoo", "testHost", 0));
Assert.assertEquals(actual.getContent(), "{'duration': 2000}");
Assert.assertFalse(actual.hasSignal());
Assert.assertTrue(actual.hasMetadata());
metadata = actual.getMetadata();
Assert.assertEquals(metadata.getContent(), makeReturnInfo("fakefoo", "testHost", 1));
Assert.assertEquals(actual.getContent(), "{}");
Assert.assertFalse(actual.hasSignal());
Assert.assertTrue(actual.hasMetadata());
metadata = actual.getMetadata();
Assert.assertEquals(metadata.getContent(), makeReturnInfo("fakebar", "testHost", 2));