Examples with RedisStoreMapper org.apache.storm.redis.common.mapper.RedisStoreMapper used on opensource projects

Example 1 with RedisStoreMapper

use of org.apache.storm.redis.common.mapper.RedisStoreMapper in project storm by apache.

the class WordCountToBolt method main.

public static void main(String[] args) throws Exception {
    StreamBuilder builder = new StreamBuilder();
    // Redis config parameters for the RedisStoreBolt
    JedisPoolConfig poolConfig = new JedisPoolConfig.Builder().setHost("127.0.0.1").setPort(6379).build();
    // Storm tuple to redis key-value mapper
    RedisStoreMapper storeMapper = new WordCountStoreMapper();
    // The redis bolt (sink)
    IRichBolt redisStoreBolt = new RedisStoreBolt(poolConfig, storeMapper);
    // A stream of words
    builder.newStream(new TestWordSpout(), new ValueMapper<String>(0)).mapToPair(w -> Pair.of(w, 1)).countByKey().to(redisStoreBolt);
    Config config = new Config();
    if (args.length > 0) {
        config.setNumWorkers(1);
        StormSubmitter.submitTopologyWithProgressBar(args[0], config, builder.build());
    } else {
        try (LocalCluster cluster = new LocalCluster();
            LocalCluster.LocalTopology topo = cluster.submitTopology("test", config, builder.build())) {
            Utils.sleep(60_000);
        }
    }
}

Example 2 with RedisStoreMapper

use of org.apache.storm.redis.common.mapper.RedisStoreMapper in project storm by apache.

the class PersistentWordCount method main.

public static void main(String[] args) throws Exception {
    Config config = new Config();
    String host = TEST_REDIS_HOST;
    int port = TEST_REDIS_PORT;
    if (args.length >= 2) {
        host = args[0];
        port = Integer.parseInt(args[1]);
    }
    JedisPoolConfig poolConfig = new JedisPoolConfig.Builder().setHost(host).setPort(port).build();
    WordSpout spout = new WordSpout();
    WordCounter bolt = new WordCounter();
    RedisStoreMapper storeMapper = setupStoreMapper();
    RedisStoreBolt storeBolt = new RedisStoreBolt(poolConfig, storeMapper);
    // wordSpout ==> countBolt ==> RedisBolt
    TopologyBuilder builder = new TopologyBuilder();
    builder.setSpout(WORD_SPOUT, spout, 1);
    builder.setBolt(COUNT_BOLT, bolt, 1).fieldsGrouping(WORD_SPOUT, new Fields("word"));
    builder.setBolt(STORE_BOLT, storeBolt, 1).shuffleGrouping(COUNT_BOLT);
    if (args.length == 2) {
        try (LocalCluster cluster = new LocalCluster();
            LocalTopology topo = cluster.submitTopology("test", config, builder.createTopology())) {
            Thread.sleep(30000);
        }
        System.exit(0);
    } else if (args.length == 3) {
        StormSubmitter.submitTopology(args[2], config, builder.createTopology());
    } else {
        System.out.println("Usage: PersistentWordCount <redis host> <redis port> (topology name)");
    }
}

Example 3 with RedisStoreMapper

use of org.apache.storm.redis.common.mapper.RedisStoreMapper in project storm by apache.

the class WordCountTridentRedis 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();
    RedisStoreMapper storeMapper = new WordCountStoreMapper();
    RedisLookupMapper lookupMapper = new WordCountLookupMapper();
    RedisState.Factory factory = new RedisState.Factory(poolConfig);
    TridentTopology topology = new TridentTopology();
    Stream stream = topology.newStream("spout1", spout);
    stream.partitionPersist(factory, fields, new RedisStateUpdater(storeMapper).withExpire(86400000), new Fields());
    TridentState state = topology.newStaticState(factory);
    stream = stream.stateQuery(state, new Fields("word"), new RedisStateQuerier(lookupMapper), new Fields("columnName", "columnValue"));
    stream.each(new Fields("word", "columnValue"), new PrintFunction(), new Fields());
    return topology.build();
}

Example 4 with RedisStoreMapper

use of org.apache.storm.redis.common.mapper.RedisStoreMapper in project storm by apache.

the class WordCountTridentRedisCluster 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();
    RedisStoreMapper storeMapper = new WordCountStoreMapper();
    RedisLookupMapper lookupMapper = new WordCountLookupMapper();
    RedisClusterState.Factory factory = new RedisClusterState.Factory(clusterConfig);
    TridentTopology topology = new TridentTopology();
    Stream stream = topology.newStream("spout1", spout);
    stream.partitionPersist(factory, fields, new RedisClusterStateUpdater(storeMapper).withExpire(86400000), new Fields());
    TridentState state = topology.newStaticState(factory);
    stream = stream.stateQuery(state, new Fields("word"), new RedisClusterStateQuerier(lookupMapper), new Fields("columnName", "columnValue"));
    stream.each(new Fields("word", "columnValue"), new PrintFunction(), new Fields());
    return topology.build();
}