POTEL 13 - Use transaction name (#3464)

* replace hub with scopes

* Add Scopes

* Introduce `IScopes` interface.

* Replace `IHub` with `IScopes` in core

* Replace `IHub` with `IScopes` in android core

* Replace `IHub` with `IScopes` in android integrations

* Replace `IHub` with `IScopes` in apollo integrations

* Replace `IHub` with `IScopes` in okhttp integration

* Replace `IHub` with `IScopes` in graphql integration

* Replace `IHub` with `IScopes` in logging integrations

* Replace `IHub` with `IScopes` in more integrations

* Replace `IHub` with `IScopes` in OTel integration

* Replace `IHub` with `IScopes` in Spring 5 / Spring Boot 2 integrations

* Replace `IHub` with `IScopes` in Spring 6 / Spring Boot 3 integrations

* Replace `IHub` with `IScopes` in samples

* gitscopes -> github

* Replace ThreadLocal with ScopesStorage

* Move client and throwable to span map to scope

* Add global scope

* use global scope in Scopes

* Implement pushScope popScope and withScope for Scopes

* Add pushIsolationScope; add fork methods to ISCope

* Use separate scopes for current, isolation and global scope; rename mainScopes to rootScopes

* Allow controlling which scope configureScope uses

* Combine scopes

* Use new API for CRONS integrations

* Add lifecycle helper

* Change spring integrations to use new API

* Use new API in servlet integrations

* Use new API for kotlin coroutines and wrapers for Supplier/Callable

* Discussion TODOs

* Fix breadcrumb ordering

* Mark TODOS with [HSM]

* Add getGlobalScope and forkedRootScopes to IScopes

* Fix EventProcessor ordering on scopes

* Reuse code in Scopes

* No longer replace global scope

* Replace hub occurrences in comments, var names etc.

* Implement ScopesTest

* Implement CombinedScopeViewTest

* Fix combined contexts

* Use combined scopes for cross platform

* Changes according to reviews of previous PRs

* more

* even more

* isEnabled checks client instead of having a property on Scopes

* Use SentryOptions.empty

* Remove Hub

* Use OpenTelemetry for Performance and Scopes propagation

* Promote certain span attributes

* Use OTel in Sentry API

* Deduplicate SpanInfo extraction

* Forward Sentry API to Sentry through OTel

* Use OTel status for Sentry span API

* POTel Tracing

* fix root span detection (remote flag), and scope closing

* Inherit OTel span IDs when sending to sentry

* Fix tracing; parse incoming baggage; add baggage to outgoing

* Cleanup

* Move sampling logic to OTel Sampler

* Remove internal span attributes so they are not sent to Sentry

* Use transaction name

* remove obsolete comment

Author: adinauer

sentry-opentelemetry/sentry-opentelemetry-bootstrap/src/main/java/io/sentry/opentelemetry/OtelSpanFactory.java

@@ -40,7 +40,6 @@ public final class OtelSpanFactory implements ISpanFactory {
       @NotNull IScopes scopes,
       @NotNull TransactionOptions transactionOptions,
       @Nullable TransactionPerformanceCollector transactionPerformanceCollector) {
-    // TODO [POTEL] name vs. op for transaction
     final @Nullable OtelSpanWrapper span =
         createSpanInternal(
             scopes, transactionOptions, null, context.getSamplingDecision(), context);
@@ -137,8 +136,14 @@ public final class OtelSpanFactory implements ISpanFactory {
       if (description != null) {
         sentrySpan.setDescription(description);
       }
-      if (samplingDecision != null) {
-        sentrySpan.getSpanContext().setSamplingDecision(samplingDecision);
+      // TODO [POTEL] do we need this?
+      //      if (samplingDecision != null) {
+      //        sentrySpan.getSpanContext().setSamplingDecision(samplingDecision);
+      //      }
+      if (spanContext instanceof TransactionContext) {
+        final @NotNull TransactionContext transactionContext = (TransactionContext) spanContext;
+        sentrySpan.setTransactionName(
+            transactionContext.getName(), transactionContext.getTransactionNameSource());
       }
     }