public void registerFeedIntakeJob(FeedId feedId, JobId jobId, JobSpecification jobSpec)
throws HyracksDataException {
if (jobInfos.get(jobId) != null) {
throw new IllegalStateException("Feed job already registered");
}
List<IFeedJoint> joints = feedPipeline.get(feedId);
IFeedJoint intakeJoint = null;
for (IFeedJoint joint : joints) {
if (joint.getType().equals(IFeedJoint.FeedJointType.INTAKE)) {
intakeJoint = joint;
break;
}
}
if (intakeJoint != null) {
FeedIntakeInfo intakeJobInfo =
new FeedIntakeInfo(
jobId,
FeedJobState.CREATED,
FeedJobInfo.JobType.INTAKE,
feedId,
intakeJoint,
jobSpec);
intakeJobInfos.put(feedId, intakeJobInfo);
jobInfos.put(jobId, intakeJobInfo);
if (LOGGER.isLoggable(Level.INFO)) {
LOGGER.info("Registered feed intake [" + jobId + "]" + " for feed " + feedId);
}
} else {
throw new HyracksDataException(
"Could not register feed intake job [" + jobId + "]" + " for feed " + feedId);
}
}
public IFeedJoint getFeedPoint(FeedId sourceFeedId, IFeedJoint.FeedJointType type) {
List<IFeedJoint> joints = feedPipeline.get(sourceFeedId);
for (IFeedJoint joint : joints) {
if (joint.getType().equals(type)) {
return joint;
}
}
return null;
}
public synchronized void submitFeedConnectionRequest(
IFeedJoint feedJoint, final FeedConnectionRequest request) throws Exception {
List<String> locations = null;
switch (feedJoint.getType()) {
case INTAKE:
FeedIntakeInfo intakeInfo = intakeJobInfos.get(feedJoint.getOwnerFeedId());
locations = intakeInfo.getIntakeLocation();
break;
case COMPUTE:
FeedConnectionId connectionId = feedJoint.getProvider();
FeedConnectJobInfo cInfo = connectJobInfos.get(connectionId);
locations = cInfo.getComputeLocations();
break;
}
SubscribeFeedWork work = new SubscribeFeedWork(locations.toArray(new String[] {}), request);
FeedWorkManager.INSTANCE.submitWork(
work, new SubscribeFeedWork.FeedSubscribeWorkEventListener());
}
private void handleCollectJobStartMessage(FeedConnectJobInfo cInfo)
throws RemoteException, ACIDException {
// set locations of feed sub-operations (intake, compute, store)
setLocations(cInfo);
// activate joints
List<IFeedJoint> joints = feedPipeline.get(cInfo.getConnectionId().getFeedId());
for (IFeedJoint joint : joints) {
if (joint.getProvider().equals(cInfo.getConnectionId())) {
joint.setState(State.ACTIVE);
if (joint.getType().equals(IFeedJoint.FeedJointType.COMPUTE)) {
cInfo.setComputeFeedJoint(joint);
}
}
}
cInfo.setState(FeedJobState.ACTIVE);
// register activity in metadata
registerFeedActivity(cInfo);
// notify event listeners
notifyFeedEventSubscribers(cInfo, FeedLifecycleEvent.FEED_COLLECT_STARTED);
}
