private KeyedOneInputStreamOperatorTestHarness<Integer, Event, Map<String, List<Event>>> getTestHarness(
int maxParallelism,
int taskParallelism,
int subtaskIdx) throws Exception {
KeySelector<Event, Integer> keySelector = new TestKeySelector();
KeyedOneInputStreamOperatorTestHarness<Integer, Event, Map<String, List<Event>>> harness =
new KeyedOneInputStreamOperatorTestHarness<>(
getKeyedCepOpearator(
false,
new NFAFactory()),
keySelector,
BasicTypeInfo.INT_TYPE_INFO,
maxParallelism,
taskParallelism,
subtaskIdx);
harness.setStateBackend(new RocksDBStateBackend(new MemoryStateBackend()));
return harness;
}