Examples with APIQueryControlResult edu.snu.mist.client.APIQueryControlResult used on opensource projects

Example 26 with APIQueryControlResult

use of edu.snu.mist.client.APIQueryControlResult in project mist by snuspl.

the class WordCount method submitQuery.

/**
 * Submit a query containing reduce-by-key operator.
 * The query reads strings from a source server, filters alphabetical words,
 * counts words using reduce-by-key operator, and sends them to a sink server.
 * @return result of the submission
 * @throws IOException
 * @throws InjectionException
 */
public static APIQueryControlResult submitQuery(final Configuration configuration) throws IOException, InjectionException, URISyntaxException {
    final String sourceSocket = Tang.Factory.getTang().newInjector(configuration).getNamedInstance(NettySourceAddress.class);
    final SourceConfiguration localTextSocketSourceConf = MISTExampleUtils.getLocalTextSocketSourceConf(sourceSocket);
    // Simple reduce function.
    final MISTBiFunction<Integer, Integer, Integer> reduceFunction = (v1, v2) -> {
        return v1 + v2;
    };
    final MISTQueryBuilder queryBuilder = new MISTQueryBuilder();
    queryBuilder.socketTextStream(localTextSocketSourceConf).filter(s -> isAlpha(s)).map(s -> new Tuple2(s, 1)).reduceByKey(0, String.class, reduceFunction).map(s -> s.toString()).textSocketOutput(MISTExampleUtils.SINK_HOSTNAME, MISTExampleUtils.SINK_PORT);
    return MISTExampleUtils.submit(queryBuilder, configuration);
}

Example 27 with APIQueryControlResult

use of edu.snu.mist.client.APIQueryControlResult in project mist by snuspl.

the class HelloMist method main.

/**
 * Set the environment(Hostname and port of driver, source, and sink) and submit a query.
 * @param args command line parameters
 * @throws Exception
 */
public static void main(final String[] args) throws Exception {
    final JavaConfigurationBuilder jcb = Tang.Factory.getTang().newConfigurationBuilder();
    final CommandLine commandLine = MISTExampleUtils.getDefaultCommandLine(jcb).registerShortNameOfClass(// Additional parameter
    NettySourceAddress.class).processCommandLine(args);
    if (commandLine == null) {
        // Option '?' was entered and processCommandLine printed the help.
        return;
    }
    Thread sinkServer = new Thread(MISTExampleUtils.getSinkServer());
    sinkServer.start();
    final APIQueryControlResult result = submitQuery(jcb.build());
    System.out.println("Query submission result: " + result.getQueryId());
}

Example 28 with APIQueryControlResult

use of edu.snu.mist.client.APIQueryControlResult in project mist by snuspl.

the class HelloMist method submitQuery.

/**
 * Submit a stateless query.
 * The query reads strings from a source server, filter strings which start with "HelloMist:",
 * trim "HelloMist:" part of the filtered strings, and send them to a sink server.
 * @return result of the submission
 * @throws IOException
 * @throws InjectionException
 */
public static APIQueryControlResult submitQuery(final Configuration configuration) throws IOException, InjectionException, URISyntaxException {
    final String sourceSocket = Tang.Factory.getTang().newInjector(configuration).getNamedInstance(NettySourceAddress.class);
    final SourceConfiguration localTextSocketSourceConf = MISTExampleUtils.getLocalTextSocketSourceConf(sourceSocket);
    final MISTQueryBuilder queryBuilder = new MISTQueryBuilder();
    queryBuilder.socketTextStream(localTextSocketSourceConf).filter(s -> s.startsWith("HelloMIST:")).map(s -> s.substring("HelloMIST:".length()).trim()).textSocketOutput(MISTExampleUtils.SINK_HOSTNAME, MISTExampleUtils.SINK_PORT);
    return MISTExampleUtils.submit(queryBuilder, configuration);
}