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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.metricsproxy.metric.model;
import ai.vespa.metricsproxy.metric.model.prometheus.PrometheusUtil;
import com.yahoo.concurrent.CopyOnWriteHashMap;
import java.util.Map;
import java.util.Objects;
/**
* @author gjoranv
*/
public class MetricId {
private static final Map<String, MetricId> dictionary = new CopyOnWriteHashMap<>();
public static final MetricId empty = toMetricId("");
public final String id;
private final String idForPrometheus;
private MetricId(String id) {
this.id = id;
idForPrometheus = PrometheusUtil.sanitize(id);
}
public static MetricId toMetricId(String id) {
return dictionary.computeIfAbsent(id, MetricId::new);
}
public String getIdForPrometheus() { return idForPrometheus; }
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MetricId metricId = (MetricId) o;
return Objects.equals(id, metricId.id);
}
@Override
public int hashCode() { return Objects.hash(id); }
@Override
public String toString() { return id; }
}
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