How to use

close

method

in

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

  public void close() {
    this.shouldClose = true;
  }
}

/**
 * The main loop
 */
@Override
public void run(SourceContext<T> sourceContext) throws Exception {
 int elements = loadPerTimeslice();
 while (running) {
  long emitStartTime = System.currentTimeMillis();
  for (int i = 0; i < elements; i++) {
   sourceContext.collect(generateElement());
  }
  // Sleep for the rest of timeslice if needed
  long emitTime = System.currentTimeMillis() - emitStartTime;
  if (emitTime < timeSliceLengthMs) {
   Thread.sleep(timeSliceLengthMs - emitTime);
  }
 }
 sourceContext.close();
}

  public void close() {
    this.shouldClose = true;
  }
}

public void cancel() {
  // important: marking the source as stopped has to happen before the function is stopped.
  // the flag that tracks this status is volatile, so the memory model also guarantees
  // the happens-before relationship
  markCanceledOrStopped();
  userFunction.cancel();
  // the context may not be initialized if the source was never running.
  if (ctx != null) {
    ctx.close();
  }
}

public void cancel() {
  // important: marking the source as stopped has to happen before the function is stopped.
  // the flag that tracks this status is volatile, so the memory model also guarantees
  // the happens-before relationship
  markCanceledOrStopped();
  userFunction.cancel();
  // the context may not be initialized if the source was never running.
  if (ctx != null) {
    ctx.close();
  }
}

public void cancel() {
  // important: marking the source as stopped has to happen before the function is stopped.
  // the flag that tracks this status is volatile, so the memory model also guarantees
  // the happens-before relationship
  markCanceledOrStopped();
  userFunction.cancel();
  // the context may not be initialized if the source was never running.
  if (ctx != null) {
    ctx.close();
  }
}

ctx.close();
if (latencyEmitter != null) {
  latencyEmitter.close();

  public void close() {
    this.shouldClose = true;
  }
}

ctx.close();
if (latencyEmitter != null) {
  latencyEmitter.close();

ctx.close();
if (latencyEmitter != null) {
  latencyEmitter.close();

public void cancel() {
  // important: marking the source as stopped has to happen before the function is stopped.
  // the flag that tracks this status is volatile, so the memory model also guarantees
  // the happens-before relationship
  markCanceledOrStopped();
  userFunction.cancel();
  // the context may not be initialized if the source was never running.
  if (ctx != null) {
    ctx.close();
  }
}

ctx.close();
if (latencyEmitter != null) {
  latencyEmitter.close();

  public void close() {
    this.shouldClose = true;
  }
}