Examples with RandomNumberGeneratorSpout org.apache.storm.starter.spout.RandomNumberGeneratorSpout used on opensource projects

Example 1 with RandomNumberGeneratorSpout

use of org.apache.storm.starter.spout.RandomNumberGeneratorSpout in project jstorm by alibaba.

the class TridentMinMaxOfDevicesTopology method buildDevicesTopology.

/**
     * Creates a topology with device-id and count (which are whole numbers) as
     * tuple fields in a stream and it finally generates result stream based on
     * min amd max with device-id and count values.
     */
public static StormTopology buildDevicesTopology() {
    String deviceID = "device-id";
    String count = "count";
    Fields allFields = new Fields(deviceID, count);
    RandomNumberGeneratorSpout spout = new RandomNumberGeneratorSpout(allFields, 10, 1000);
    TridentTopology topology = new TridentTopology();
    Stream devicesStream = topology.newStream("devicegen-spout", spout).each(allFields, new Debug("##### devices"));
    devicesStream.minBy(deviceID).each(allFields, new Debug("#### device with min id"));
    devicesStream.maxBy(count).each(allFields, new Debug("#### device with max count"));
    return topology.build();
}

Example 2 with RandomNumberGeneratorSpout

use of org.apache.storm.starter.spout.RandomNumberGeneratorSpout in project storm by apache.

the class TridentMinMaxOfDevicesTopology method buildDevicesTopology.

/**
     * Creates a topology with device-id and count (which are whole numbers) as tuple fields in a stream and it finally
     * generates result stream based on min amd max with device-id and count values.
     */
public static StormTopology buildDevicesTopology() {
    String deviceID = "device-id";
    String count = "count";
    Fields allFields = new Fields(deviceID, count);
    RandomNumberGeneratorSpout spout = new RandomNumberGeneratorSpout(allFields, 10, 1000);
    TridentTopology topology = new TridentTopology();
    Stream devicesStream = topology.newStream("devicegen-spout", spout).each(allFields, new Debug("##### devices"));
    devicesStream.minBy(deviceID).each(allFields, new Debug("#### device with min id"));
    devicesStream.maxBy(count).each(allFields, new Debug("#### device with max count"));
    return topology.build();
}