io.fluxcapacitor.javaclient.tracking.metrics.TrackerMonitor Maven / Gradle / Ivy

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Default Java client library for interfacing with Flux Capacitor.

There is a newer version: 0.1015.0

package io.fluxcapacitor.javaclient.tracking.metrics;

import io.fluxcapacitor.common.api.tracking.MessageBatch;
import io.fluxcapacitor.javaclient.FluxCapacitor;
import io.fluxcapacitor.javaclient.tracking.BatchInterceptor;
import io.fluxcapacitor.javaclient.tracking.Tracker;
import lombok.extern.slf4j.Slf4j;

import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.function.Consumer;

import static io.fluxcapacitor.javaclient.FluxCapacitor.publishMetrics;

@Slf4j
public class TrackerMonitor implements BatchInterceptor {
    @Override
    public Consumer intercept(Consumer consumer, Tracker tracker) {
        return batch -> {
            if (batch.isEmpty()) {
                consumer.accept(batch);
                return;
            }
            Instant start = Instant.now();
            consumer.accept(batch);
            long nsDuration = start.until(Instant.now(), ChronoUnit.NANOS);
            try {
                publishMetrics(new ProcessBatchAction(
                        FluxCapacitor.get().client().name(), FluxCapacitor.get().client().id(), tracker.getName(),
                        tracker.getChannel(), batch.getSize(), nsDuration));
            } catch (Exception e) {
                log.error("Failed to publish consumer metrics", e);
            }
        };
    }
}