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package ai.vespa.metrics.docs;
import ai.vespa.metrics.VespaMetrics;
import java.io.FileWriter;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* @author olaa
*/
public class MetricDocumentation {
protected static void writeMetricDocumentation(String path, VespaMetrics[] metrics, String metricType) {
var referenceBuilder = new StringBuilder();
referenceBuilder.append(String.format("""
---
# Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
title: "%s Metrics"
---
<table class="table">
<thead>
<tr><th>Name</th><th>Description</th><th>Unit</th></tr>
</thead>
<tbody>
%s </tbody>
</table>
""", metricType, htmlRows(metrics)));
try (FileWriter fileWriter = new FileWriter(path + "/" + metricType.toLowerCase() + "-metrics-reference.html")) {
fileWriter.write(referenceBuilder.toString());
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private static String htmlRows(VespaMetrics[] metrics) {
return Stream.of(metrics)
.map(metric ->
String.format(
"""
<tr>
<td><p id="%s">%s</p></td>
<td>%s</td>
<td>%s</td>
</tr>
""",
metric.baseName().replaceAll("\\.", "_"),
metric.baseName(),
metric.description(),
metric.unit().toString().toLowerCase())
).collect(Collectors.joining());
}
}
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