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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.service.model;
import com.yahoo.jdisc.Metric;
import com.yahoo.jdisc.Timer;
import java.util.function.Consumer;
public class ServiceMonitorMetrics {
public static String SERVICE_MODEL_METRIC_PREFIX = "serviceModel.";
private final Metric metric;
private final Timer timer;
public ServiceMonitorMetrics(Metric metric, Timer timer) {
this.metric = metric;
this.timer = timer;
}
public LatencyMeasurement startServiceModelSnapshotLatencyMeasurement() {
Consumer<Double> atCompletion = elapsedSeconds ->
setValue(metricKey("snapshot.latency"), elapsedSeconds);
return new LatencyMeasurement(timer, atCompletion).start();
}
private static String metricKey(String suffix) {
return SERVICE_MODEL_METRIC_PREFIX + suffix;
}
private void setValue(String key, Number number) {
setValue(key, number, null);
}
private void setValue(String key, Number number, Metric.Context context) {
metric.set(key, number, context);
}
}
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