Examples with LinearDRPCTopologyBuilder org.apache.storm.drpc.LinearDRPCTopologyBuilder used on opensource projects

Example 1 with LinearDRPCTopologyBuilder

use of org.apache.storm.drpc.LinearDRPCTopologyBuilder in project storm by apache.

the class ReachTopology method construct.

public static LinearDRPCTopologyBuilder construct() {
    LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("reach");
    builder.addBolt(new GetTweeters(), 4);
    builder.addBolt(new GetFollowers(), 12).shuffleGrouping();
    builder.addBolt(new PartialUniquer(), 6).fieldsGrouping(new Fields("id", "follower"));
    builder.addBolt(new CountAggregator(), 3).fieldsGrouping(new Fields("id"));
    return builder;
}

Example 2 with LinearDRPCTopologyBuilder

use of org.apache.storm.drpc.LinearDRPCTopologyBuilder in project storm by apache.

the class ReachTopology method main.

public static void main(String[] args) throws Exception {
    LinearDRPCTopologyBuilder builder = construct();
    Config conf = new Config();
    conf.setNumWorkers(6);
    String topoName = "reach-drpc";
    if (args.length > 0) {
        topoName = args[0];
    }
    StormSubmitter.submitTopologyWithProgressBar(topoName, conf, builder.createRemoteTopology());
    try (DRPCClient drpc = DRPCClient.getConfiguredClient(conf)) {
        String[] urlsToTry = new String[] { "foo.com/blog/1", "engineering.twitter.com/blog/5", "notaurl.com" };
        for (String url : urlsToTry) {
            System.out.println("Reach of " + url + ": " + drpc.execute("reach", url));
        }
    }
}

Example 3 with LinearDRPCTopologyBuilder

use of org.apache.storm.drpc.LinearDRPCTopologyBuilder in project storm by apache.

the class BasicDRPCTopology method main.

public static void main(String[] args) throws Exception {
    Config conf = new Config();
    String topoName = "DRPCExample";
    String function = "exclamation";
    if (args != null) {
        if (args.length > 0) {
            topoName = args[0];
        }
        if (args.length > 1) {
            function = args[1];
        }
    }
    LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder(function);
    builder.addBolt(new ExclaimBolt(), 3);
    conf.setNumWorkers(3);
    StormSubmitter.submitTopologyWithProgressBar(topoName, conf, builder.createRemoteTopology());
    if (args != null && args.length > 2) {
        try (DRPCClient drpc = DRPCClient.getConfiguredClient(conf)) {
            for (int i = 2; i < args.length; i++) {
                String word = args[i];
                System.out.println("Result for \"" + word + "\": " + drpc.execute(function, word));
            }
        }
    }
}