LambdaTriggerStrategy implements TriggerStrategy { @Override public boolean isToBeTriggered(MRecord values) { return isToBeTriggeredLambda.apply(values); } LambdaTriggerStrategy(
            SerializableFunction<MRecord, Boolean> isToBeTriggeredLambda,
            SerializableResultFunction<HashSet<String>> getChannelIdentifiersLambda); @Override boolean isToBeTriggered(MRecord values); @Override Set<String> getChannelIdentifiers();  }
@Test public void isToBeTriggered() { assertTrue(strategy.isToBeTriggered(null)); assertTrue(clone.isToBeTriggered(null)); }