io.keyko.monitoring.postprocessing.Output Maven / Gradle / Ivy

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package io.keyko.monitoring.postprocessing;

import io.keyko.monitoring.schemas.EventBlockRecord;
import io.keyko.monitoring.schemas.TimeSeriesRecord;
import io.keyko.monitoring.schemas.ViewBlockRecord;
import io.keyko.monitoring.serde.Web3MonitoringSerdes;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.kstream.KStream;
import org.apache.kafka.streams.kstream.Produced;

public class Output {

  /**
   * Sending events to a topic corresponding with the name of the event.
   *
   * @param events Stream with the confirmed events
   */
  public static void splitByEvent(KStream events) {
    splitByEvent(events, "");
  }

  /**
   * Sending events to a topic corresponding with the name of the event and a suffix
   *
   * @param events Stream with the confirmed events
   */
  public static void splitByEvent(KStream events, String suffix) {
    events.to((key, value, recordContext) ->
        "w3m-".concat(value.getEvent().getName().toLowerCase()).concat(suffix),
      Produced.with(Serdes.String(), Web3MonitoringSerdes.getEventBlockSerde())
    );
  }

  /**
   * Sending confirmed events to a topic corresponding with the name of the event.
   *
   * @param views Stream with the  events
   */
  public static void splitByView(KStream views, String suffix) {
    views.to((key, value, recordContext) ->
        "w3m-".concat(value.getView().getContractName().toLowerCase()).concat("-").concat(value.getView().getName().toLowerCase()).concat(suffix),
      Produced.with(Serdes.String(), Web3MonitoringSerdes.getViewBlockSerde())
    );
  }

  public static void splitByView(KStream views) {
    splitByView(views, "");
  }


  public static void splitByTimeSeries(KStream ts, String suffix) {
    ts.to((key, value, recordContext) ->
        "w3m-".concat(value.getContractName().toLowerCase()).concat("-").concat(value.getMethodName().toLowerCase()).concat("_ts").concat(suffix),
      Produced.with(Serdes.String(), Web3MonitoringSerdes.getTimeSeriesSerde())
    );
  }

  public static void splitByTimeSeries(KStream ts) {
    splitByTimeSeries(ts, "");
  }


}