Examples with PageViewEvent org.apache.samza.example.models.PageViewEvent used on opensource projects

Example 6 with PageViewEvent

use of org.apache.samza.example.models.PageViewEvent in project samza by apache.

the class BroadcastExample method describe.

@Override
public void describe(StreamApplicationDescriptor appDescriptor) {
    KVSerde<String, PageViewEvent> serde = KVSerde.of(new StringSerde("UTF-8"), new JsonSerdeV2<>(PageViewEvent.class));
    KafkaSystemDescriptor trackingSystem = new KafkaSystemDescriptor("tracking");
    KafkaInputDescriptor<KV<String, PageViewEvent>> pageViewEvent = trackingSystem.getInputDescriptor("pageViewEvent", serde);
    KafkaOutputDescriptor<KV<String, PageViewEvent>> outStream1 = trackingSystem.getOutputDescriptor("outStream1", serde);
    KafkaOutputDescriptor<KV<String, PageViewEvent>> outStream2 = trackingSystem.getOutputDescriptor("outStream2", serde);
    KafkaOutputDescriptor<KV<String, PageViewEvent>> outStream3 = trackingSystem.getOutputDescriptor("outStream3", serde);
    MessageStream<KV<String, PageViewEvent>> inputStream = appDescriptor.getInputStream(pageViewEvent);
    inputStream.filter(m -> m.key.equals("key1")).sendTo(appDescriptor.getOutputStream(outStream1));
    inputStream.filter(m -> m.key.equals("key2")).sendTo(appDescriptor.getOutputStream(outStream2));
    inputStream.filter(m -> m.key.equals("key3")).sendTo(appDescriptor.getOutputStream(outStream3));
}

Example 7 with PageViewEvent

use of org.apache.samza.example.models.PageViewEvent in project samza by apache.

the class RepartitionExample method describe.

@Override
public void describe(StreamApplicationDescriptor appDescriptor) {
    KafkaSystemDescriptor trackingSystem = new KafkaSystemDescriptor("tracking");
    KafkaInputDescriptor<PageViewEvent> inputStreamDescriptor = trackingSystem.getInputDescriptor("pageViewEvent", new JsonSerdeV2<>(PageViewEvent.class));
    KafkaOutputDescriptor<KV<String, MyStreamOutput>> outputStreamDescriptor = trackingSystem.getOutputDescriptor("pageViewEventPerMember", KVSerde.of(new StringSerde(), new JsonSerdeV2<>(MyStreamOutput.class)));
    appDescriptor.withDefaultSystem(trackingSystem);
    MessageStream<PageViewEvent> pageViewEvents = appDescriptor.getInputStream(inputStreamDescriptor);
    OutputStream<KV<String, MyStreamOutput>> pageViewEventPerMember = appDescriptor.getOutputStream(outputStreamDescriptor);
    pageViewEvents.partitionBy(pve -> pve.getMemberId(), pve -> pve, KVSerde.of(new StringSerde(), new JsonSerdeV2<>(PageViewEvent.class)), "partitionBy").window(Windows.keyedTumblingWindow(KV::getKey, Duration.ofMinutes(5), () -> 0, (m, c) -> c + 1, null, null), "window").map(windowPane -> KV.of(windowPane.getKey().getKey(), new MyStreamOutput(windowPane))).sendTo(pageViewEventPerMember);
}