Remove contention between threads and worker thread when register span names. (#729)

* Remove contention between threads and worker thread when register span names.

* Mark getRegisteredSpanNamesForCollection as test only.

1 files changed, 3 insertions, 4 deletions

diff --git a/impl_core/src/main/java/io/opencensus/implcore/trace/TraceComponentImplBase.java b/impl_core/src/main/java/io/opencensus/implcore/trace/TraceComponentImplBase.java
index f5f70a52..f4c5ef76 100644
--- a/impl_core/src/main/java/io/opencensus/implcore/trace/TraceComponentImplBase.java
+++ b/impl_core/src/main/java/io/opencensus/implcore/trace/TraceComponentImplBase.java
@@ -41,7 +41,6 @@ public final class TraceComponentImplBase {
   private final ExportComponentImpl exportComponent;
   private final PropagationComponent propagationComponent = new PropagationComponentImpl();
   private final Clock clock;
-  private final StartEndHandler startEndHandler;
   private final TraceConfig traceConfig = new TraceConfigImpl();
   private final Tracer tracer;
 
@@ -56,11 +55,11 @@ public final class TraceComponentImplBase {
     this.clock = clock;
     // TODO(bdrutu): Add a config/argument for supportInProcessStores.
     if (eventQueue instanceof SimpleEventQueue) {
-      exportComponent = ExportComponentImpl.createWithoutInProcessStores();
+      exportComponent = ExportComponentImpl.createWithoutInProcessStores(eventQueue);
     } else {
-      exportComponent = ExportComponentImpl.createWithInProcessStores();
+      exportComponent = ExportComponentImpl.createWithInProcessStores(eventQueue);
     }
-    startEndHandler =
+    StartEndHandler startEndHandler =
         new StartEndHandlerImpl(
             exportComponent.getSpanExporter(),
             exportComponent.getRunningSpanStore(),