How to use

getRingBuffer

method

in

io.flinkspector.core.runtime.Runner

/**
 * Creates a TestSink to verify the output of your stream. The environment will register a port
 *
 * @param verifier which will be used to verify the received records
 * @param <IN>     type of the input
 * @return the created sink.
 */
public <IN> TestSink<IN> createTestSink(OutputVerifier<IN> verifier,
    VerifyFinishedTrigger trigger) {
  int instance = runner.registerListener(verifier, trigger);
  TestSink<IN> sink = new TestSink<IN>(instance, runner.getRingBuffer());
  return sink;
}

/**
 * Creates a TestOutputFormat to verify the output.
 * The environment will register a port
 *
 * @param verifier which will be used to verify the received records
 * @param <IN>     type of the input
 * @return the created sink.
 */
public <IN> TestOutputFormat<IN> createTestOutputFormat(OutputVerifier<IN> verifier,
                            VerifyFinishedTrigger trigger) {
  int instance = runner.registerListener(verifier, trigger);
  TestOutputFormat<IN> format = new TestOutputFormat<IN>(instance, runner.getRingBuffer());
  return format;
}

/**
 * Creates a TestSink to verify your the output of your stream. Using a {@link OutputVerifier}
 *
 * @param verifier {@link OutputVerifier} which will be used to verify the received records.
 * @param <IN>     type of the input
 * @return the created sink.
 */
public <IN> TestSink<IN> createTestSink(OutputVerifier<IN> verifier) {
  VerifyFinishedTrigger trigger = new DefaultTestTrigger();
  int instance = runner.registerListener(verifier, trigger);
  TestSink<IN> sink = new TestSink<IN>(instance, runner.getRingBuffer());
  return sink;
}

/**
 * Creates a TestOutputFormat to verify the output.
 * Using a {@link OutputVerifier}
 *
 * @param verifier {@link OutputVerifier} which will be
 *                 used to verify the received records.
 * @param <IN>     type of the input
 * @return the created {@link TestOutputFormat}.
 */
public <IN> TestOutputFormat<IN> createTestOutputFormat(OutputVerifier<IN> verifier) {
  VerifyFinishedTrigger trigger = new DefaultTestTrigger();
  int instance = runner.registerListener(verifier, trigger);
  TestOutputFormat<IN> format = new TestOutputFormat<IN>(instance, runner.getRingBuffer());
  return format;
}