Examples with ExecutorLooper org.apache.heron.common.basics.ExecutorLooper used on opensource projects

Example 1 with ExecutorLooper

use of org.apache.heron.common.basics.ExecutorLooper in project heron by twitter.

the class MetricsManager method initSinkExecutor.

private SinkExecutor initSinkExecutor(String sinkId) {
    IMetricsSink sink;
    String classname = (String) config.getConfigForSink(sinkId).get(MetricsSinksConfig.CONFIG_KEY_CLASSNAME);
    try {
        sink = (IMetricsSink) Class.forName(classname).newInstance();
    } catch (InstantiationException e) {
        throw new RuntimeException(e + " IMetricsSink class must have a no-arg constructor.");
    } catch (IllegalAccessException e) {
        throw new RuntimeException(e + " IMetricsSink class must be concrete.");
    } catch (ClassNotFoundException e) {
        throw new RuntimeException(e + " IMetricsSink class must be a class path.");
    }
    ExecutorLooper sinkExecutorLoop = new ExecutorLooper();
    Communicator<MetricsRecord> executorInMetricsQueue = new Communicator<MetricsRecord>(null, sinkExecutorLoop);
    // Since MetricsCollector is not thread-safe,
    // we need to specify individual MetricsCollector and MultiCountMetric
    // for different SinkExecutor
    MetricsCollector sinkMetricsCollector = new MetricsCollector(sinkExecutorLoop, metricsQueue);
    MultiCountMetric internalCounters = new MultiCountMetric();
    sinkMetricsCollector.registerMetric(sinkId, internalCounters, (int) heronMetricsExportInterval.getSeconds());
    // Set up the SinkContext
    SinkContext sinkContext = new SinkContextImpl(topologyName, cluster, role, environment, metricsmgrId, sinkId, internalCounters);
    SinkExecutor sinkExecutor = new SinkExecutor(sinkId, sink, sinkExecutorLoop, executorInMetricsQueue, sinkContext);
    sinkExecutor.setPropertyMap(config.getConfigForSink(sinkId));
    return sinkExecutor;
}

Example 2 with ExecutorLooper

use of org.apache.heron.common.basics.ExecutorLooper in project heron by twitter.

the class SinkExecutorTest method before.

@Before
public void before() throws Exception {
    metricsSink = new DummyMetricsSink(EXPECTED_RECORDS, EXPECTED_FLUSHES);
    executorLooper = new ExecutorLooper();
    communicator = new Communicator<>(null, executorLooper);
    SinkContext sinkContext = new SinkContextImpl("topology-name", "cluster", "role", "environment", "metricsmgr-id", "sink-id", new MultiCountMetric());
    sinkExecutor = new SinkExecutor("testSinkId", metricsSink, executorLooper, communicator, sinkContext);
}