Examples with TridentTopology org.apache.storm.trident.TridentTopology used on opensource projects

Example 11 with TridentTopology

use of org.apache.storm.trident.TridentTopology in project storm by apache.

the class TridentReach method buildTopology.

public static StormTopology buildTopology() {
    TridentTopology topology = new TridentTopology();
    TridentState urlToTweeters = topology.newStaticState(new StaticSingleKeyMapState.Factory(TWEETERS_DB));
    TridentState tweetersToFollowers = topology.newStaticState(new StaticSingleKeyMapState.Factory(FOLLOWERS_DB));
    topology.newDRPCStream("reach").stateQuery(urlToTweeters, new Fields("args"), new MapGet(), new Fields("tweeters")).each(new Fields("tweeters"), new ExpandList(), new Fields("tweeter")).shuffle().stateQuery(tweetersToFollowers, new Fields("tweeter"), new MapGet(), new Fields("followers")).each(new Fields("followers"), new ExpandList(), new Fields("follower")).groupBy(new Fields("follower")).aggregate(new One(), new Fields("one")).aggregate(new Fields("one"), new Sum(), new Fields("reach"));
    return topology.build();
}

Example 12 with TridentTopology

use of org.apache.storm.trident.TridentTopology in project storm by apache.

the class TridentTopologySource method getTopology.

public StormTopology getTopology(Config config) {
    this.spout = new FixedBatchSpout(new Fields("sentence"), 20, new Values("one two"), new Values("two three"), new Values("three four"), new Values("four five"), new Values("five six"));
    TridentTopology trident = new TridentTopology();
    trident.newStream("wordcount", spout).name("sentence").parallelismHint(1).shuffle().each(new Fields("sentence"), new Split(), new Fields("word")).parallelismHint(1).groupBy(new Fields("word")).persistentAggregate(new MemoryMapState.Factory(), new Count(), new Fields("count")).parallelismHint(1);
    return trident.build();
}

Example 13 with TridentTopology

use of org.apache.storm.trident.TridentTopology in project storm by apache.

the class WordCountTridentRedisClusterMap method buildTopology.

public static StormTopology buildTopology(String redisHostPort) {
    Fields fields = new Fields("word", "count");
    FixedBatchSpout spout = new FixedBatchSpout(fields, 4, new Values("storm", 1), new Values("trident", 1), new Values("needs", 1), new Values("javadoc", 1));
    spout.setCycle(true);
    Set<InetSocketAddress> nodes = new HashSet<InetSocketAddress>();
    for (String hostPort : redisHostPort.split(",")) {
        String[] hostPortSplit = hostPort.split(":");
        nodes.add(new InetSocketAddress(hostPortSplit[0], Integer.valueOf(hostPortSplit[1])));
    }
    JedisClusterConfig clusterConfig = new JedisClusterConfig.Builder().setNodes(nodes).build();
    RedisDataTypeDescription dataTypeDescription = new RedisDataTypeDescription(RedisDataTypeDescription.RedisDataType.HASH, "test");
    StateFactory factory = RedisClusterMapState.transactional(clusterConfig, dataTypeDescription);
    TridentTopology topology = new TridentTopology();
    Stream stream = topology.newStream("spout1", spout);
    TridentState state = stream.groupBy(new Fields("word")).persistentAggregate(factory, new Fields("count"), new Sum(), new Fields("sum"));
    stream.stateQuery(state, new Fields("word"), new MapGet(), new Fields("sum")).each(new Fields("word", "sum"), new PrintFunction(), new Fields());
    return topology.build();
}

Example 14 with TridentTopology

use of org.apache.storm.trident.TridentTopology in project storm by apache.

the class WordCountTridentRedisMap method buildTopology.

public static StormTopology buildTopology(String redisHost, Integer redisPort) {
    Fields fields = new Fields("word", "count");
    FixedBatchSpout spout = new FixedBatchSpout(fields, 4, new Values("storm", 1), new Values("trident", 1), new Values("needs", 1), new Values("javadoc", 1));
    spout.setCycle(true);
    JedisPoolConfig poolConfig = new JedisPoolConfig.Builder().setHost(redisHost).setPort(redisPort).build();
    RedisDataTypeDescription dataTypeDescription = new RedisDataTypeDescription(RedisDataTypeDescription.RedisDataType.HASH, "test");
    StateFactory factory = RedisMapState.transactional(poolConfig, dataTypeDescription);
    TridentTopology topology = new TridentTopology();
    Stream stream = topology.newStream("spout1", spout);
    TridentState state = stream.groupBy(new Fields("word")).persistentAggregate(factory, new Fields("count"), new Sum(), new Fields("sum"));
    stream.stateQuery(state, new Fields("word"), new MapGet(), new Fields("sum")).each(new Fields("word", "sum"), new PrintFunction(), new Fields());
    return topology.build();
}

Example 15 with TridentTopology

use of org.apache.storm.trident.TridentTopology in project storm by apache.

the class WordCountTridentMap method buildTopology.

public static StormTopology buildTopology(String url, String collectionName) {
    Fields fields = new Fields("word", "count");
    FixedBatchSpout spout = new FixedBatchSpout(fields, 4, new Values("storm", 1), new Values("trident", 1), new Values("needs", 1), new Values("javadoc", 1));
    spout.setCycle(true);
    MongoMapper mapper = new SimpleMongoMapper().withFields("word", "count");
    MongoMapState.Options options = new MongoMapState.Options();
    options.url = url;
    options.collectionName = collectionName;
    options.mapper = mapper;
    QueryFilterCreator filterCreator = new SimpleQueryFilterCreator().withField("word");
    options.queryCreator = filterCreator;
    StateFactory factory = MongoMapState.transactional(options);
    TridentTopology topology = new TridentTopology();
    Stream stream = topology.newStream("spout1", spout);
    TridentState state = stream.groupBy(new Fields("word")).persistentAggregate(factory, new Fields("count"), new Sum(), new Fields("sum"));
    stream.stateQuery(state, new Fields("word"), new MapGet(), new Fields("sum")).each(new Fields("word", "sum"), new PrintFunction(), new Fields());
    return topology.build();
}