standardize the spelling of "exemplars" (#7612)

Author: xiangtianyu

sdk/metrics/src/jmh/java/io/opentelemetry/sdk/metrics/internal/aggregator/HistogramCollectBenchmark.java

@@ -75,7 +75,7 @@ public void setup() {
                       // Effectively disable periodic reading so reading is only done on #flush()
                       .setInterval(Duration.ofSeconds(Integer.MAX_VALUE))
                       .build());
-      // Disable examplars
+      // Disable exemplars
       SdkMeterProviderUtil.setExemplarFilter(builder, ExemplarFilter.alwaysOff());
       sdkMeterProvider = builder.build();
       histogram = sdkMeterProvider.get("meter").histogramBuilder("histogram").build();

sdk/metrics/src/jmhBasedTest/java/io/opentelemetry/sdk/metrics/internal/state/InstrumentGarbageCollectionBenchmark.java

@@ -95,7 +95,7 @@ public void setup() {
 
       attributesList = AttributesGenerator.generate(cardinality);
 
-      // Disable examplars
+      // Disable exemplars
       SdkMeterProviderUtil.setExemplarFilter(builder, ExemplarFilter.alwaysOff());
 
       sdkMeterProvider = builder.build();

sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/aggregator/DoubleLastValueAggregatorTest.java

@@ -186,7 +186,7 @@ void copyPoint(MemoryMode memoryMode) {
     MutableDoublePointData pointData = (MutableDoublePointData) aggregator.createReusablePoint();
 
     Attributes attributes = Attributes.of(AttributeKey.longKey("test"), 100L);
-    List<DoubleExemplarData> examplarsFrom =
+    List<DoubleExemplarData> exemplarsFrom =
         Collections.singletonList(
             ImmutableDoubleExemplarData.create(
                 attributes,
@@ -197,12 +197,12 @@ void copyPoint(MemoryMode memoryMode) {
                     TraceFlags.getDefault(),
                     TraceState.getDefault()),
                 1));
-    pointData.set(0, 1, attributes, 2000, examplarsFrom);
+    pointData.set(0, 1, attributes, 2000, exemplarsFrom);
 
     MutableDoublePointData toPointData = (MutableDoublePointData) aggregator.createReusablePoint();
 
     Attributes toAttributes = Attributes.of(AttributeKey.longKey("test"), 100L);
-    List<DoubleExemplarData> examplarsTo =
+    List<DoubleExemplarData> exemplarsTo =
         Collections.singletonList(
             ImmutableDoubleExemplarData.create(
                 attributes,
@@ -213,7 +213,7 @@ void copyPoint(MemoryMode memoryMode) {
                     TraceFlags.getDefault(),
                     TraceState.getDefault()),
                 2));
-    toPointData.set(0, 2, toAttributes, 4000, examplarsTo);
+    toPointData.set(0, 2, toAttributes, 4000, exemplarsTo);
 
     aggregator.copyPoint(pointData, toPointData);
 

sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/aggregator/DoubleSumAggregatorTest.java

@@ -263,7 +263,7 @@ void copyPoint(MemoryMode memoryMode) {
     MutableDoublePointData pointData = (MutableDoublePointData) aggregator.createReusablePoint();
 
     Attributes attributes = Attributes.of(AttributeKey.longKey("test"), 100L);
-    List<DoubleExemplarData> examplarsFrom =
+    List<DoubleExemplarData> exemplarsFrom =
         Collections.singletonList(
             ImmutableDoubleExemplarData.create(
                 attributes,
@@ -274,12 +274,12 @@ void copyPoint(MemoryMode memoryMode) {
                     TraceFlags.getDefault(),
                     TraceState.getDefault()),
                 1));
-    pointData.set(0, 1, attributes, 2000, examplarsFrom);
+    pointData.set(0, 1, attributes, 2000, exemplarsFrom);
 
     MutableDoublePointData toPointData = (MutableDoublePointData) aggregator.createReusablePoint();
 
     Attributes toAttributes = Attributes.of(AttributeKey.longKey("test"), 100L);
-    List<DoubleExemplarData> examplarsTo =
+    List<DoubleExemplarData> exemplarsTo =
         Collections.singletonList(
             ImmutableDoubleExemplarData.create(
                 attributes,
@@ -290,7 +290,7 @@ void copyPoint(MemoryMode memoryMode) {
                     TraceFlags.getDefault(),
                     TraceState.getDefault()),
                 2));
-    toPointData.set(0, 2, toAttributes, 4000, examplarsTo);
+    toPointData.set(0, 2, toAttributes, 4000, exemplarsTo);
 
     aggregator.copyPoint(pointData, toPointData);
 

sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/aggregator/LongLastValueAggregatorTest.java

@@ -146,7 +146,7 @@ void copyPoint(MemoryMode memoryMode) {
     MutableLongPointData pointData = (MutableLongPointData) aggregator.createReusablePoint();
 
     Attributes attributes = Attributes.of(AttributeKey.longKey("test"), 100L);
-    List<LongExemplarData> examplarsFrom =
+    List<LongExemplarData> exemplarsFrom =
         Collections.singletonList(
             ImmutableLongExemplarData.create(
                 attributes,
@@ -157,12 +157,12 @@ void copyPoint(MemoryMode memoryMode) {
                     TraceFlags.getDefault(),
                     TraceState.getDefault()),
                 1));
-    pointData.set(0, 1, attributes, 2000, examplarsFrom);
+    pointData.set(0, 1, attributes, 2000, exemplarsFrom);
 
     MutableLongPointData toPointData = (MutableLongPointData) aggregator.createReusablePoint();
 
     Attributes toAttributes = Attributes.of(AttributeKey.longKey("test"), 100L);
-    List<LongExemplarData> examplarsTo =
+    List<LongExemplarData> exemplarsTo =
         Collections.singletonList(
             ImmutableLongExemplarData.create(
                 attributes,
@@ -173,7 +173,7 @@ void copyPoint(MemoryMode memoryMode) {
                     TraceFlags.getDefault(),
                     TraceState.getDefault()),
                 2));
-    toPointData.set(0, 2, toAttributes, 4000, examplarsTo);
+    toPointData.set(0, 2, toAttributes, 4000, exemplarsTo);
 
     aggregator.copyPoint(pointData, toPointData);
 

sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/aggregator/LongSumAggregatorTest.java

@@ -257,7 +257,7 @@ void copyPoint(MemoryMode memoryMode) {
     MutableLongPointData pointData = (MutableLongPointData) aggregator.createReusablePoint();
 
     Attributes attributes = Attributes.of(AttributeKey.longKey("test"), 100L);
-    List<LongExemplarData> examplarsFrom =
+    List<LongExemplarData> exemplarsFrom =
         Collections.singletonList(
             ImmutableLongExemplarData.create(
                 attributes,
@@ -268,12 +268,12 @@ void copyPoint(MemoryMode memoryMode) {
                     TraceFlags.getDefault(),
                     TraceState.getDefault()),
                 1));
-    pointData.set(0, 1, attributes, 2000, examplarsFrom);
+    pointData.set(0, 1, attributes, 2000, exemplarsFrom);
 
     MutableLongPointData toPointData = (MutableLongPointData) aggregator.createReusablePoint();
 
     Attributes toAttributes = Attributes.of(AttributeKey.longKey("test"), 100L);
-    List<LongExemplarData> examplarsTo =
+    List<LongExemplarData> exemplarsTo =
         Collections.singletonList(
             ImmutableLongExemplarData.create(
                 attributes,
@@ -284,7 +284,7 @@ void copyPoint(MemoryMode memoryMode) {
                     TraceFlags.getDefault(),
                     TraceState.getDefault()),
                 2));
-    toPointData.set(0, 2, toAttributes, 4000, examplarsTo);
+    toPointData.set(0, 2, toAttributes, 4000, exemplarsTo);
 
     aggregator.copyPoint(pointData, toPointData);