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

Example 1 with ReturnResults

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

the class ManualDRPC method main.

public static void main(String[] args) throws Exception {
    TopologyBuilder builder = new TopologyBuilder();
    try (LocalDRPC drpc = new LocalDRPC();
        LocalCluster cluster = new LocalCluster()) {
        DRPCSpout spout = new DRPCSpout("exclamation", drpc);
        builder.setSpout("drpc", spout);
        builder.setBolt("exclaim", new ExclamationBolt(), 3).shuffleGrouping("drpc");
        builder.setBolt("return", new ReturnResults(), 3).shuffleGrouping("exclaim");
        Config conf = new Config();
        try (LocalTopology topo = cluster.submitTopology("exclaim", conf, builder.createTopology())) {
            System.out.println(drpc.execute("exclamation", "aaa"));
            System.out.println(drpc.execute("exclamation", "bbb"));
        }
    }
}