format

Author: zeitlinger

exporters/prometheus/src/main/java/io/opentelemetry/exporter/prometheus/Otel2PrometheusConverter.java

@@ -94,8 +94,8 @@ final class Otel2PrometheusConverter {
   /**
    * Constructor with feature flag parameter.
    *
-   * @param otelScopeMode enable generation of the OpenTelemetry instrumentation scope info
-   *     metric and labels.
+   * @param otelScopeMode enable generation of the OpenTelemetry instrumentation scope info metric
+   *     and labels.
    * @param allowedResourceAttributesFilter if not {@code null}, resource attributes with keys
    *     matching this predicate will be added as labels on each exported metric
    */
@@ -125,7 +125,8 @@ MetricSnapshots convert(@Nullable Collection<MetricData> metricDataCollection) {
       if (resource == null) {
         resource = metricData.getResource();
       }
-      if (otelScopeMode.isEnabled() && !metricData.getInstrumentationScopeInfo().getAttributes().isEmpty()) {
+      if (otelScopeMode.isEnabled()
+          && !metricData.getInstrumentationScopeInfo().getAttributes().isEmpty()) {
         scopes.add(metricData.getInstrumentationScopeInfo());
       }
     }
@@ -458,7 +459,7 @@ private InfoSnapshot makeScopeInfo(Set<InstrumentationScopeInfo> scopes) {
    *
    * @param resource optional resource (attributes) to be converted.
    * @param scope will be converted to {@code otel_scope_*} labels if {@code otelScopeMode} is
-   *     {@link  OtelScopeMode#isEnabled()}.
+   *     {@link OtelScopeMode#isEnabled()}.
    * @param attributes the attributes to be converted.
    * @param additionalAttributes optional list of key/value pairs, may be empty.
    */

exporters/prometheus/src/main/java/io/opentelemetry/exporter/prometheus/OtelScopeMode.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package io.opentelemetry.exporter.prometheus;
 
 public enum OtelScopeMode {

exporters/prometheus/src/main/java/io/opentelemetry/exporter/prometheus/PrometheusMetricReader.java

@@ -32,8 +32,7 @@ public class PrometheusMetricReader implements MetricReader, MultiCollector {
   /** See {@link Otel2PrometheusConverter#Otel2PrometheusConverter(OtelScopeMode, Predicate)}. */
   public PrometheusMetricReader(
       OtelScopeMode otelScopeMode, @Nullable Predicate<String> allowedResourceAttributesFilter) {
-    this.converter =
-        new Otel2PrometheusConverter(otelScopeMode, allowedResourceAttributesFilter);
+    this.converter = new Otel2PrometheusConverter(otelScopeMode, allowedResourceAttributesFilter);
   }
 
   @Override

exporters/prometheus/src/test/java/io/opentelemetry/exporter/prometheus/Otel2PrometheusConverterTest.java

@@ -71,7 +71,8 @@ class Otel2PrometheusConverterTest {
   private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
 
   private final Otel2PrometheusConverter converter =
-      new Otel2PrometheusConverter(OtelScopeMode.LABELS_AND_SCOPE_INFO, /* allowedResourceAttributesFilter= */ null);
+      new Otel2PrometheusConverter(
+          OtelScopeMode.LABELS_AND_SCOPE_INFO, /* allowedResourceAttributesFilter= */ null);
 
   @ParameterizedTest
   @MethodSource("metricMetadataArgs")
@@ -201,7 +202,8 @@ void resourceAttributesAddition(
       throws IOException {
 
     Otel2PrometheusConverter converter =
-        new Otel2PrometheusConverter(OtelScopeMode.LABELS_AND_SCOPE_INFO, allowedResourceAttributesFilter);
+        new Otel2PrometheusConverter(
+            OtelScopeMode.LABELS_AND_SCOPE_INFO, allowedResourceAttributesFilter);
 
     ByteArrayOutputStream out = new ByteArrayOutputStream();
     MetricSnapshots snapshots = converter.convert(Collections.singletonList(metricData));
@@ -501,7 +503,9 @@ void validateCacheIsBounded() {
         };
 
     Otel2PrometheusConverter otel2PrometheusConverter =
-        new Otel2PrometheusConverter(OtelScopeMode.LABELS_AND_SCOPE_INFO, /* allowedResourceAttributesFilter= */ countPredicate);
+        new Otel2PrometheusConverter(
+            OtelScopeMode.LABELS_AND_SCOPE_INFO,
+            /* allowedResourceAttributesFilter= */ countPredicate);
 
     // Create 20 different metric data objects with 2 different resource attributes;
     Resource resource1 = Resource.builder().put("cluster", "cluster1").build();

exporters/prometheus/src/test/java/io/opentelemetry/exporter/prometheus/PrometheusMetricReaderTest.java

@@ -61,7 +61,9 @@ class PrometheusMetricReaderTest {
   void setUp() {
     this.testClock.setTime(Instant.ofEpochMilli((System.currentTimeMillis() / 100) * 100));
     this.createdTimestamp = convertTimestamp(testClock.now());
-    this.reader = new PrometheusMetricReader(OtelScopeMode.LABELS_AND_SCOPE_INFO, /* allowedResourceAttributesFilter= */ null);
+    this.reader =
+        new PrometheusMetricReader(
+            OtelScopeMode.LABELS_AND_SCOPE_INFO, /* allowedResourceAttributesFilter= */ null);
     this.meter =
         SdkMeterProvider.builder()
             .setClock(testClock)
@@ -788,7 +790,8 @@ void exponentialHistogramBucketConversion() {
       int otelScale = random.nextInt(24) - 4;
       int prometheusScale = Math.min(otelScale, 8);
       PrometheusMetricReader reader =
-          new PrometheusMetricReader(OtelScopeMode.LABELS_AND_SCOPE_INFO, /* allowedResourceAttributesFilter= */ null);
+          new PrometheusMetricReader(
+              OtelScopeMode.LABELS_AND_SCOPE_INFO, /* allowedResourceAttributesFilter= */ null);
       Meter meter =
           SdkMeterProvider.builder()
               .registerMetricReader(reader)
@@ -1041,7 +1044,8 @@ void otelScopeComplete() throws IOException {
   @Test
   void otelScopeDisabled() throws IOException {
     PrometheusMetricReader reader =
-        new PrometheusMetricReader(OtelScopeMode.DISABLED, /* allowedResourceAttributesFilter= */ null);
+        new PrometheusMetricReader(
+            OtelScopeMode.DISABLED, /* allowedResourceAttributesFilter= */ null);
     Meter meter =
         SdkMeterProvider.builder()
             .setClock(testClock)
@@ -1072,7 +1076,8 @@ void otelScopeDisabled() throws IOException {
   void addResourceAttributesWorks() throws IOException {
     PrometheusMetricReader reader =
         new PrometheusMetricReader(
-            OtelScopeMode.LABELS_AND_SCOPE_INFO, /* allowedResourceAttributesFilter= */ Predicates.is("cluster"));
+            OtelScopeMode.LABELS_AND_SCOPE_INFO,
+            /* allowedResourceAttributesFilter= */ Predicates.is("cluster"));
     Meter meter =
         SdkMeterProvider.builder()
             .setClock(testClock)