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: 0.1072.0

/*
 * Copyright (c) Flux Capacitor IP B.V. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

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;

@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);
            FluxCapacitor.getOptionally().ifPresent(fc -> fc.metricsGateway().publish(new ProcessBatchEvent(
                    tracker.getName(), tracker.getTrackerId(), batch.getSegment(),
                    batch.getLastIndex(), batch.getSize(), nsDuration)));
        };
    }
}