How to use

markAsTemporarilyIdle

method

in

org.apache.flink.streaming.api.functions.source.SourceFunction$SourceContext

private void runIdle(SourceContext<Event> ctx) throws Exception {
  ctx.markAsTemporarilyIdle();
  // just wait until this source is canceled
  final Object waitLock = new Object();
  while (running) {
    try {
      //noinspection SynchronizationOnLocalVariableOrMethodParameter
      synchronized (waitLock) {
        waitLock.wait();
      }
    }
    catch (InterruptedException e) {
      if (!running) {
        // restore the interrupted state, and fall through the loop
        Thread.currentThread().interrupt();
      }
    }
  }
}

sourceContext.markAsTemporarilyIdle();

sourceContext.markAsTemporarilyIdle();

sourceContext.markAsTemporarilyIdle();