Add code attributes to quartz spans

instrumentation/quartz-2.0/library/src/main/java/io/opentelemetry/instrumentation/quartz/v2_0/QuartzCodeAttributesExtractor.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.instrumentation.quartz.v2_0;
+
+import io.opentelemetry.instrumentation.api.instrumenter.code.CodeAttributesExtractor;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.quartz.JobExecutionContext;
+
+public class QuartzCodeAttributesExtractor
+    extends CodeAttributesExtractor<JobExecutionContext, Void> {
+  @Override
+  protected Class<?> codeClass(JobExecutionContext jobExecutionContext) {
+    return jobExecutionContext.getJobDetail().getJobClass();
+  }
+
+  @Override
+  protected String methodName(JobExecutionContext jobExecutionContext) {
+    return "execute";
+  }
+
+  @Override
+  @Nullable
+  protected String filePath(JobExecutionContext jobExecutionContext) {
+    return null;
+  }
+
+  @Override
+  @Nullable
+  protected Long lineNumber(JobExecutionContext jobExecutionContext) {
+    return null;
+  }
+}

instrumentation/quartz-2.0/library/src/main/java/io/opentelemetry/instrumentation/quartz/v2_0/QuartzTracingBuilder.java

@@ -43,6 +43,7 @@ public QuartzTracing build() {
         Instrumenter.newBuilder(openTelemetry, INSTRUMENTATION_NAME, new QuartzSpanNameExtractor());
 
     instrumenter.setErrorCauseExtractor(new QuartzErrorCauseExtractor());
+    instrumenter.addAttributesExtractor(new QuartzCodeAttributesExtractor());
     instrumenter.addAttributesExtractors(additionalExtractors);
 
     return new QuartzTracing(new TracingJobListener(instrumenter.newInstrumenter()));

instrumentation/quartz-2.0/testing/src/main/java/io/opentelemetry/instrumentation/quartz/v2_0/AbstractQuartzTest.java

@@ -5,14 +5,15 @@
 
 package io.opentelemetry.instrumentation.quartz.v2_0;
 
+import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
 import static org.quartz.JobBuilder.newJob;
 import static org.quartz.TriggerBuilder.newTrigger;
 
 import io.opentelemetry.api.GlobalOpenTelemetry;
-import io.opentelemetry.api.common.Attributes;
 import io.opentelemetry.api.trace.SpanKind;
 import io.opentelemetry.instrumentation.testing.junit.InstrumentationExtension;
 import io.opentelemetry.sdk.trace.data.StatusData;
+import io.opentelemetry.semconv.trace.attributes.SemanticAttributes;
 import java.util.Properties;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
@@ -63,7 +64,14 @@ void successfulJob() throws Exception {
                             .hasKind(SpanKind.INTERNAL)
                             .hasNoParent()
                             .hasStatus(StatusData.unset())
-                            .hasAttributes(Attributes.empty()),
+                            .hasAttributesSatisfying(
+                                attrs ->
+                                    assertThat(attrs)
+                                        .containsEntry(
+                                            SemanticAttributes.CODE_NAMESPACE,
+                                            SuccessfulJob.class.getName())
+                                        .containsEntry(
+                                            SemanticAttributes.CODE_FUNCTION, "execute")),
                     span ->
                         span.hasName("child")
                             .hasKind(SpanKind.INTERNAL)
@@ -88,7 +96,14 @@ void failingJob() throws Exception {
                             .hasNoParent()
                             .hasStatus(StatusData.error())
                             .hasException(new IllegalStateException("Bad job"))
-                            .hasAttributes(Attributes.empty())));
+                            .hasAttributesSatisfying(
+                                attrs ->
+                                    assertThat(attrs)
+                                        .containsEntry(
+                                            SemanticAttributes.CODE_NAMESPACE,
+                                            FailingJob.class.getName())
+                                        .containsEntry(
+                                            SemanticAttributes.CODE_FUNCTION, "execute"))));
   }
 
   private static Scheduler createScheduler(String name) throws Exception {