Package org.apache.falcon.entity.v0.feed

Examples of org.apache.falcon.entity.v0.feed.Feed

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        overlay.put("tableUri", TABLE_URI);

        String filePath = TestContext.overlayParametersOverTemplate("/hive-table-feed.xml", overlay);
        InputStream stream = new FileInputStream(filePath);
        FeedEntityParser parser = (FeedEntityParser) EntityParserFactory.getParser(EntityType.FEED);
        Feed feed = parser.parse(stream);
        Assert.assertNotNull(feed);

        final LateArrival lateArrival = new LateArrival();
        lateArrival.setCutOff(new Frequency("4", Frequency.TimeUnit.hours));
        feed.setLateArrival(lateArrival);

        StringWriter stringWriter = new StringWriter();
        Marshaller marshaller = EntityType.FEED.getMarshaller();
        marshaller.marshal(feed, stringWriter);
        System.out.println(stringWriter.toString());
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        validateFeedGroups(feed);

        // Seems like a good enough entity object for a new one
        // But is this an update ?

        Feed oldFeed = ConfigurationStore.get().get(EntityType.FEED, feed.getName());
        if (oldFeed == null) {
            return; // Not an update case
        }

        // Is actually an update. Need to iterate over all the processes
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                    RelationshipType.CLUSTER_ENTITY, RelationshipLabel.FEED_CLUSTER_EDGE);
            addInstanceToEntity(feedInstance, lineageMetadata.get(LineageArgs.WORKFLOW_USER.getOptionName()),
                    RelationshipType.USER, RelationshipLabel.USER);

            if (isPreserveHistory()) {
                Feed feed = ConfigurationStore.get().get(EntityType.FEED, feedName);
                addDataClassification(feed.getTags(), feedInstance);
                addGroups(feed.getGroups(), feedInstance);
            }
        }
    }
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    }

    public String getFeedInstanceName(String feedName, String clusterName,
                                      String feedInstancePath) throws FalconException {
        try {
            Feed feed = ConfigurationStore.get().get(EntityType.FEED, feedName);
            Cluster cluster = ConfigurationStore.get().get(EntityType.CLUSTER, clusterName);

            Storage.TYPE storageType = FeedHelper.getStorageType(feed, cluster);
            return storageType == Storage.TYPE.TABLE
                    ? getTableFeedInstanceName(feed, feedInstancePath, storageType)
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    @Override
    public void cleanup() throws FalconException {
        Collection<String> feeds = STORE.getEntities(EntityType.FEED);
        for (String feedName : feeds) {
            Feed feed;
            feed = STORE.get(EntityType.FEED, feedName);
            long retention = getRetention(feed, feed.getFrequency()
                    .getTimeUnit());
            for (org.apache.falcon.entity.v0.feed.Cluster cluster : feed
                    .getClusters().getClusters()) {
                Cluster currentCluster = STORE.get(EntityType.CLUSTER,
                        cluster.getName());
                if (currentCluster.getColo().equals(getCurrentColo())) {
                    LOG.info("Cleaning up logs & staged data for feed:" + feedName
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    public static boolean shouldUpdate(Entity oldEntity, Entity newEntity, Entity affectedEntity, String cluster)
        throws FalconException {
        if (oldEntity.getEntityType() == EntityType.FEED && affectedEntity.getEntityType() == EntityType.PROCESS) {

            Feed oldFeed = (Feed) oldEntity;
            Feed newFeed = (Feed) newEntity;
            Process affectedProcess = (Process) affectedEntity;

            //check if affectedProcess is defined for this cluster
            if (ProcessHelper.getCluster(affectedProcess, cluster) == null) {
                LOG.debug("Process " + affectedProcess.getName() + " is not defined for cluster " + cluster);
                return false;
            }

            if (!oldFeed.getFrequency().equals(newFeed.getFrequency())) {
                LOG.debug(oldFeed.toShortString() + ": Frequency has changed. Updating...");
                return true;
            }

            if (!StringUtils.equals(oldFeed.getAvailabilityFlag(), newFeed.getAvailabilityFlag())) {
                LOG.debug(oldFeed.toShortString() + ": Availability flag has changed. Updating...");
                return true;
            }

            Storage oldFeedStorage = FeedHelper.createStorage(cluster, oldFeed);
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    @Override
    public void onAdd(Entity entity) throws FalconException {

        if (entity.getEntityType().equals(EntityType.FEED)) {
            Feed feed = (Feed) entity;
            if (feed.getGroups() == null || feed.getGroups().equals("")) {
                return;
            }
            Set<FeedGroup> groupSet = getGroups(feed);
            addGroups(feed.getName(), groupSet);
        }
    }
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    }

    @Override
    public void onRemove(Entity entity) throws FalconException {
        if (entity.getEntityType().equals(EntityType.FEED)) {
            Feed feed = (Feed) entity;
            if (StringUtils.isEmpty(feed.getGroups())) {
                return;
            }
            String[] groups = feed.getGroups().split(",");
            for (String group : groups) {
                groupsMapping.get(group).getFeeds().remove(entity.getName());
                if (groupsMapping.get(group).getFeeds().size() == 0) {
                    groupsMapping.remove(group);
                }
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            return endTime;
        } else if (entity.getEntityType() == EntityType.PROCESS) {
            Process process = (Process) entity;
            ConfigurationStore store = ConfigurationStore.get();
            for (LateInput lp : process.getLateProcess().getLateInputs()) {
                Feed feed = null;
                String endInstanceTime = "";
                for (Input input : process.getInputs().getInputs()) {
                    if (input.getName().equals(lp.getInput())) {
                        endInstanceTime = input.getEnd();
                        feed = store.get(EntityType.FEED, input.getFeed());
                        break;
                    }
                }
                if (feed == null) {
                    throw new IllegalStateException("No such feed: " + lp.getInput());
                }
                if (feed.getLateArrival() == null) {
                    LOG.debug("Feed's " + feed.getName()
                            + " late arrival cut-off is not configured, ignoring this feed");
                    continue;
                }
                String lateCutOff = feed.getLateArrival().getCutOff()
                        .toString();
                endTime = evaluator.evaluate(endInstanceTime, Date.class);
                long feedCutOffPeriod = evaluator.evaluate(lateCutOff,
                        Long.class);
                endTime = addTime(endTime, feedCutOffPeriod);
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            ClusterHelper.getInterface(cluster, Interfacetype.WRITE).setEndpoint(conf.get("fs.default.name"));
            store.publish(type, cluster);
            break;

        case FEED:
            Feed feed = (Feed) unmarshaller.unmarshal(this.getClass().getResource(FEED_XML));
            feed.setName(name);
            store.publish(type, feed);
            break;

        case PROCESS:
            Process process = (Process) unmarshaller.unmarshal(this.getClass().getResource(PROCESS_XML));
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Related Classes of org.apache.falcon.entity.v0.feed.Feed

  • org.apache.falcon.cleanup.FeedCleanupHandler
  • org.apache.falcon.cleanup.LogCleanupServiceTest
  • org.apache.falcon.cleanup.ProcessCleanupHandler
  • org.apache.falcon.cluster.util.EmbeddedCluster
  • org.apache.falcon.converter.AbstractTestBase
  • org.apache.falcon.converter.OozieFeedMapper
  • org.apache.falcon.converter.OozieFeedMapper$ReplicationOozieWorkflowMapper
  • org.apache.falcon.converter.OozieFeedMapper$RetentionOozieWorkflowMapper
  • org.apache.falcon.converter.OozieFeedMapperTest
  • org.apache.falcon.converter.OozieFeedWorkflowBuilderTest
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