Examples with LocalDRPC backtype.storm.LocalDRPC used on opensource projects

Example 11 with LocalDRPC

use of backtype.storm.LocalDRPC in project jstorm by alibaba.

the class ManualDRPCTest method testManualDRPC.

@Test
public void testManualDRPC() {
    TopologyBuilder topologyBuilder = new TopologyBuilder();
    LocalDRPC localDRPC = new LocalDRPC();
    DRPCSpout spout = new DRPCSpout("exclamation", localDRPC);
    topologyBuilder.setSpout("drpc", spout);
    topologyBuilder.setBolt("exclaim", new ManualDRPC.ExclamationBolt(), 3).shuffleGrouping("drpc");
    topologyBuilder.setBolt("return", new ReturnResults(), 3).shuffleGrouping("exclaim");
    Config config = new Config();
    config.put(Config.TOPOLOGY_NAME, "ManualDRPCTest");
    JStormUnitTestValidator validator = new JStormUnitTestDRPCValidator(localDRPC) {

        @Override
        public boolean validate(Map config) {
            assertEquals("hello!!!", executeLocalDRPC("exclamation", "hello"));
            assertEquals("good bye!!!", executeLocalDRPC("exclamation", "good bye"));
            return true;
        }
    };
    try {
        JStormUnitTestRunner.submitTopology(topologyBuilder.createTopology(), config, 60, validator);
    } finally {
        localDRPC.shutdown();
    }
}

Example 12 with LocalDRPC

use of backtype.storm.LocalDRPC in project jstorm by alibaba.

the class BasicDRPCTopology method testDrpc.

public static void testDrpc() {
    LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("exclamation");
    builder.addBolt(new ExclaimBolt(), 3);
    Config conf = new Config();
    LocalDRPC drpc = new LocalDRPC();
    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology("drpc-demo", conf, builder.createLocalTopology(drpc));
    try {
        Thread.sleep(30000);
    } catch (InterruptedException e) {
    // TODO Auto-generated catch block
    }
    try {
        for (String word : new String[] { "hello", "goodbye" }) {
            System.out.println("Result for \"" + word + "\": " + drpc.execute("exclamation", word));
        }
    } catch (Exception e) {
        e.printStackTrace();
        Assert.fail("Failed to run DRPC Test");
    }
    drpc.shutdown();
    cluster.shutdown();
}

Example 13 with LocalDRPC

use of backtype.storm.LocalDRPC in project jstorm by alibaba.

the class ManualDRPC method testDrpc.

public static void testDrpc() {
    TopologyBuilder builder = new TopologyBuilder();
    LocalDRPC drpc = new LocalDRPC();
    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");
    LocalCluster cluster = new LocalCluster();
    Config conf = new Config();
    cluster.submitTopology("exclaim", conf, builder.createTopology());
    JStormUtils.sleepMs(30 * 1000);
    try {
        System.out.println(drpc.execute("exclamation", "aaa"));
        System.out.println(drpc.execute("exclamation", "bbb"));
    } catch (Exception e) {
        Assert.fail("Failed to test drpc");
    }
    drpc.shutdown();
    cluster.shutdown();
}

Example 14 with LocalDRPC

use of backtype.storm.LocalDRPC in project jstorm by alibaba.

the class TridentMapTest method testTridentMap.

// to make sure the validator is right
@Test
public void testTridentMap() {
    LocalDRPC localDRPC = new LocalDRPC();
    FixedLimitBatchSpout spout = new FixedLimitBatchSpout(SPOUT_LIMIT, new Fields("word"), SPOUT_BATCH_SIZE, new Values("the cow jumped over the moon"), new Values("the man went to the store and bought some candy"), new Values("four score and seven years ago"), new Values("how many apples can you eat"), new Values("to be or not to be the person"));
    TridentTopology tridentTopology = new TridentTopology();
    TridentState wordCount = tridentTopology.newStream("spout", spout).parallelismHint(1).flatMap(new SplitFlatMapFunction()).map(new UpperMapFunction()).filter(new Fields("word"), new WordFilter("THE")).peek(new LogConsumer()).groupBy(new Fields("word")).persistentAggregate(new MemoryMapState.Factory(), new Count(), new Fields("count")).parallelismHint(16);
    tridentTopology.newDRPCStream("words", localDRPC).flatMap(new SplitFlatMapFunction()).groupBy(new Fields("args")).stateQuery(wordCount, new Fields("args"), new MapGet(), new Fields("result")).filter(new Fields("result"), new FilterNull()).aggregate(new Fields("result"), new Sum(), new Fields("sum"));
    Map config = new HashMap();
    config.put(Config.TOPOLOGY_NAME, "TridentMapTest");
    JStormUnitTestValidator validator = new JStormUnitTestDRPCValidator(localDRPC) {

        Logger LOG = LoggerFactory.getLogger(JStormUnitTestValidator.class);

        @Override
        public boolean validate(Map config) {
            String queryResult = executeLocalDRPC("words", "THE");
            //the result is like [[8080]], so remove the [[]]
            queryResult = queryResult.substring(2, queryResult.length() - 2);
            //how many times of emit can finish a loop
            int oneLoopNeedEmits = (int) Math.ceil(SPOUT_CONTENT_TYPES / (float) SPOUT_BATCH_SIZE);
            // of all the spout content
            //the loop time of the LimitFixBatchSpout content
            int loopTime = SPOUT_LIMIT / oneLoopNeedEmits;
            int receiveCountOfUpperCase = Integer.valueOf(queryResult);
            LOG.info("Final receive total " + receiveCountOfUpperCase + " \"THE\" when expected " + (loopTime * 5));
            //5 "the" are in one loop
            boolean isCountOfUpperCaseRight = (receiveCountOfUpperCase == loopTime * 5);
            //query the word count of these 3 words total
            queryResult = executeLocalDRPC("words", "the tHe thE");
            queryResult = queryResult.substring(2, queryResult.length() - 2);
            int receiveCountOfLowerCase = Integer.valueOf(queryResult);
            LOG.info("Final receive total " + receiveCountOfLowerCase + " \"the\" and \"tHe\" and \"thE\" " + "when expected " + 0);
            //no the tHe thE should pass the UpperFilter
            boolean isCountOfLowerCaseRight = (receiveCountOfLowerCase == 0);
            return isCountOfUpperCaseRight && isCountOfLowerCaseRight;
        }
    };
    try {
        boolean result = JStormUnitTestRunner.submitTopology(tridentTopology.build(), config, 90, validator);
        assertTrue("Topology should pass the validator", result);
    } finally {
        localDRPC.shutdown();
    }
}