Package de.cuioss.benchmarking.common.metrics

Class MetricsJsonExporter

java.lang.Object

de.cuioss.benchmarking.common.metrics.MetricsJsonExporter

public class MetricsJsonExporter
extends Object

Exports metrics data to JSON files in a target directory. Handles JSON serialization, file writing, and metrics aggregation.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	BEARER_TOKEN_RESULT

Constructor Summary

Constructors

Constructor	Description
MetricsJsonExporter(Path targetDirectory)	Creates a new metrics JSON exporter.

Method Summary

Modifier and Type	Method	Description
void	exportJwtValidationMetrics(String benchmarkMethodName, Instant timestamp, Map<String,Double> allMetrics)	Exports JWT validation metrics for a specific benchmark method.
void	exportResourceMetrics(Instant timestamp, Map<String,Double> allMetrics)	Exports resource metrics (CPU, memory) for system monitoring.
void	exportToFile(String fileName, Map<String,Object> metricsData)	Exports metrics data to a JSON file.
Map<String,Object>	readExistingMetrics(String fileName)	Reads existing metrics from a JSON file.
void	updateAggregatedMetrics(String fileName, String benchmarkName, Map<String,Object> benchmarkData)	Updates an aggregated metrics file with new benchmark data.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

BEARER_TOKEN_RESULT

public static final String BEARER_TOKEN_RESULT

See Also:

• Constant Field Values

Constructor Details

MetricsJsonExporter

public MetricsJsonExporter(Path targetDirectory)

Creates a new metrics JSON exporter.

Parameters:

targetDirectory - Directory where JSON files will be written

Method Details

exportToFile

public void exportToFile(String fileName,
 Map<String,Object> metricsData)
                  throws IOException

Exports metrics data to a JSON file.

Parameters:

fileName - The name of the JSON file

metricsData - The metrics data to export

Throws:

IOException - if writing fails

exportJwtValidationMetrics

public void exportJwtValidationMetrics(String benchmarkMethodName,
 Instant timestamp,
 Map<String,Double> allMetrics)
                                throws IOException

Exports JWT validation metrics for a specific benchmark method.

Parameters:

benchmarkMethodName - The name of the benchmark method

timestamp - The timestamp when the benchmark was executed

allMetrics - All metrics data

Throws:

IOException - if export fails

exportResourceMetrics

public void exportResourceMetrics(Instant timestamp,
 Map<String,Double> allMetrics)
                           throws IOException

Exports resource metrics (CPU, memory) for system monitoring.

Parameters:

timestamp - The timestamp when metrics were collected

allMetrics - All metrics data

Throws:

IOException - if export fails

updateAggregatedMetrics

public void updateAggregatedMetrics(String fileName,
 String benchmarkName,
 Map<String,Object> benchmarkData)
                             throws IOException

Updates an aggregated metrics file with new benchmark data. For quarkus-metrics.json files, applies special transformation to create the new structure.

Parameters:

fileName - The name of the aggregated metrics file

benchmarkName - The name of the benchmark

benchmarkData - The benchmark data to add/update

Throws:

IOException - if writing fails

readExistingMetrics

public Map<String,Object> readExistingMetrics(String fileName)

Reads existing metrics from a JSON file.

Parameters:

fileName - The name of the JSON file

Returns:

The parsed metrics map, or empty map if file doesn't exist or is empty