private void kill() {
synchronized (mainSyncObj) {
logger.info("Kill has been called on flow " + execId);
// If the flow is paused, then we'll also unpause
flowPaused = false;
flowKilled = true;
if (watcher != null) {
logger.info("Watcher is attached. Stopping watcher.");
watcher.stopWatcher();
logger.info("Watcher cancelled status is " + watcher.isWatchCancelled());
}
logger.info("Killing " + activeJobRunners.size() + " jobs.");
for (JobRunner runner : activeJobRunners) {
runner.kill();
}
}
}
private void cancel() {
synchronized (mainSyncObj) {
logger.info("Cancel has been called on flow " + execId);
flowPaused = false;
flowCancelled = true;
if (watcher != null) {
logger.info("Watcher is attached. Stopping watcher.");
watcher.stopWatcher();
logger.info("Watcher cancelled status is " + watcher.isWatchCancelled());
}
logger.info("Cancelling " + activeJobRunners.size() + " jobs.");
for (JobRunner runner : activeJobRunners.values()) {
runner.cancel();
}
if (flow.getStatus() != Status.FAILED && flow.getStatus() != Status.FAILED_FINISHING) {
logger.info("Setting flow status to " + Status.KILLED.toString());
flow.setStatus(Status.KILLED);
}
}
}
public void run() {
try {
if (this.executorService == null) {
this.executorService = Executors.newFixedThreadPool(numJobThreads);
}
setupFlowExecution();
flow.setStartTime(System.currentTimeMillis());
updateFlowReference();
logger.info("Updating initial flow directory.");
updateFlow();
logger.info("Fetching job and shared properties.");
loadAllProperties();
this.fireEventListeners(Event.create(this, Type.FLOW_STARTED));
runFlow();
} catch (Throwable t) {
if (logger != null) {
logger.error("An error has occurred during the running of the flow. Quiting.", t);
}
flow.setStatus(Status.FAILED);
} finally {
if (watcher != null) {
logger.info("Watcher is attached. Stopping watcher.");
watcher.stopWatcher();
logger.info("Watcher cancelled status is " + watcher.isWatchCancelled());
}
flow.setEndTime(System.currentTimeMillis());
logger.info("Setting end time for flow " + execId + " to " + System.currentTimeMillis());
closeLogger();
updateFlow();
this.fireEventListeners(Event.create(this, Type.FLOW_FINISHED));
}
}