Examples with Values org.apache.storm.tuple.Values used on opensource projects

Example 1 with Values

use of org.apache.storm.tuple.Values 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[] host_port = hostPort.split(":");
        nodes.add(new InetSocketAddress(host_port[0], Integer.valueOf(host_port[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 2 with Values

use of org.apache.storm.tuple.Values 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 3 with Values

use of org.apache.storm.tuple.Values in project storm by apache.

the class SolrJsonSpout method nextTuple.

@Override
public void nextTuple() {
    final Random rand = new Random();
    final Values values = listValues.get(rand.nextInt(listValues.size()));
    collector.emit(values);
    Thread.yield();
}

Example 4 with Values

use of org.apache.storm.tuple.Values in project storm by apache.

the class WordCountTrident 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");
    MongoState.Options options = new MongoState.Options().withUrl(url).withCollectionName(collectionName).withMapper(mapper);
    StateFactory factory = new MongoStateFactory(options);
    TridentTopology topology = new TridentTopology();
    Stream stream = topology.newStream("spout1", spout);
    stream.partitionPersist(factory, fields, new MongoStateUpdater(), new Fields());
    TridentState state = topology.newStaticState(factory);
    stream = stream.stateQuery(state, new Fields("word"), new MongoStateQuery(), new Fields("columnName", "columnValue"));
    stream.each(new Fields("word", "columnValue"), new PrintFunction(), new Fields());
    return topology.build();
}

Example 5 with Values

use of org.apache.storm.tuple.Values 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");
    QueryFilterCreator filterCreator = new SimpleQueryFilterCreator().withField("word");
    MongoMapState.Options options = new MongoMapState.Options();
    options.url = url;
    options.collectionName = collectionName;
    options.mapper = mapper;
    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();
}