Examples with TridentSpoutExecutor storm.trident.spout.TridentSpoutExecutor used on opensource projects

Example 1 with TridentSpoutExecutor

use of storm.trident.spout.TridentSpoutExecutor in project storm by nathanmarz.

the class TridentTopologyBuilder method buildTopology.

public StormTopology buildTopology() {
    TopologyBuilder builder = new TopologyBuilder();
    Map<GlobalStreamId, String> batchIdsForSpouts = fleshOutStreamBatchIds(false);
    Map<GlobalStreamId, String> batchIdsForBolts = fleshOutStreamBatchIds(true);
    Map<String, List<String>> batchesToCommitIds = new HashMap<String, List<String>>();
    Map<String, List<ITridentSpout>> batchesToSpouts = new HashMap<String, List<ITridentSpout>>();
    for (String id : _spouts.keySet()) {
        TransactionalSpoutComponent c = _spouts.get(id);
        if (c.spout instanceof IRichSpout) {
            // TODO: wrap this to set the stream name
            builder.setSpout(id, (IRichSpout) c.spout, c.parallelism);
        } else {
            String batchGroup = c.batchGroupId;
            if (!batchesToCommitIds.containsKey(batchGroup)) {
                batchesToCommitIds.put(batchGroup, new ArrayList<String>());
            }
            batchesToCommitIds.get(batchGroup).add(c.commitStateId);
            if (!batchesToSpouts.containsKey(batchGroup)) {
                batchesToSpouts.put(batchGroup, new ArrayList<ITridentSpout>());
            }
            batchesToSpouts.get(batchGroup).add((ITridentSpout) c.spout);
            BoltDeclarer scd = builder.setBolt(spoutCoordinator(id), new TridentSpoutCoordinator(c.commitStateId, (ITridentSpout) c.spout)).globalGrouping(masterCoordinator(c.batchGroupId), MasterBatchCoordinator.BATCH_STREAM_ID).globalGrouping(masterCoordinator(c.batchGroupId), MasterBatchCoordinator.SUCCESS_STREAM_ID);
            for (Map m : c.componentConfs) {
                scd.addConfigurations(m);
            }
            Map<String, TridentBoltExecutor.CoordSpec> specs = new HashMap();
            specs.put(c.batchGroupId, new CoordSpec());
            BoltDeclarer bd = builder.setBolt(id, new TridentBoltExecutor(new TridentSpoutExecutor(c.commitStateId, c.streamName, ((ITridentSpout) c.spout)), batchIdsForSpouts, specs), c.parallelism);
            bd.allGrouping(spoutCoordinator(id), MasterBatchCoordinator.BATCH_STREAM_ID);
            bd.allGrouping(masterCoordinator(batchGroup), MasterBatchCoordinator.SUCCESS_STREAM_ID);
            if (c.spout instanceof ICommitterTridentSpout) {
                bd.allGrouping(masterCoordinator(batchGroup), MasterBatchCoordinator.COMMIT_STREAM_ID);
            }
            for (Map m : c.componentConfs) {
                bd.addConfigurations(m);
            }
        }
    }
    for (String id : _batchPerTupleSpouts.keySet()) {
        SpoutComponent c = _batchPerTupleSpouts.get(id);
        SpoutDeclarer d = builder.setSpout(id, new RichSpoutBatchTriggerer((IRichSpout) c.spout, c.streamName, c.batchGroupId), c.parallelism);
        for (Map conf : c.componentConfs) {
            d.addConfigurations(conf);
        }
    }
    for (String batch : batchesToCommitIds.keySet()) {
        List<String> commitIds = batchesToCommitIds.get(batch);
        builder.setSpout(masterCoordinator(batch), new MasterBatchCoordinator(commitIds, batchesToSpouts.get(batch)));
    }
    for (String id : _bolts.keySet()) {
        Component c = _bolts.get(id);
        Map<String, CoordSpec> specs = new HashMap();
        for (GlobalStreamId s : getBoltSubscriptionStreams(id)) {
            String batch = batchIdsForBolts.get(s);
            if (!specs.containsKey(batch))
                specs.put(batch, new CoordSpec());
            CoordSpec spec = specs.get(batch);
            CoordType ct;
            if (_batchPerTupleSpouts.containsKey(s.get_componentId())) {
                ct = CoordType.single();
            } else {
                ct = CoordType.all();
            }
            spec.coords.put(s.get_componentId(), ct);
        }
        for (String b : c.committerBatches) {
            specs.get(b).commitStream = new GlobalStreamId(masterCoordinator(b), MasterBatchCoordinator.COMMIT_STREAM_ID);
        }
        BoltDeclarer d = builder.setBolt(id, new TridentBoltExecutor(c.bolt, batchIdsForBolts, specs), c.parallelism);
        for (Map conf : c.componentConfs) {
            d.addConfigurations(conf);
        }
        for (InputDeclaration inputDecl : c.declarations) {
            inputDecl.declare(d);
        }
        Map<String, Set<String>> batchToComponents = getBoltBatchToComponentSubscriptions(id);
        for (String b : batchToComponents.keySet()) {
            for (String comp : batchToComponents.get(b)) {
                d.directGrouping(comp, TridentBoltExecutor.COORD_STREAM(b));
            }
        }
        for (String b : c.committerBatches) {
            d.allGrouping(masterCoordinator(b), MasterBatchCoordinator.COMMIT_STREAM_ID);
        }
    }
    return builder.createTopology();
}