HBASE-25617 Revisit the span names

hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java

@@ -424,12 +424,12 @@ public CompletableFuture<Hbck> getHbck() {
         }
       });
       return future;
-    }, getClass().getName() + ".getHbck");
+    }, "AsyncConnection.getHbck");
   }
 
   @Override
   public Hbck getHbck(ServerName masterServer) throws IOException {
-    Span span = TraceUtil.createSpan(getClass().getName() + ".getHbck")
+    Span span = TraceUtil.createSpan("AsyncConnection.getHbck")
       .setAttribute(TraceUtil.SERVER_NAME_KEY, masterServer.getServerName());
     try (Scope scope = span.makeCurrent()) {
       // we will not create a new connection when creating a new protobuf stub, and for hbck there

hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncRegionLocator.java

@@ -98,7 +98,7 @@ private boolean isMeta(TableName tableName) {
 
   private <T> CompletableFuture<T> tracedLocationFuture(Supplier<CompletableFuture<T>> action,
     Function<T, List<String>> getRegionNames, TableName tableName, String methodName) {
-    Span span = createTableSpan(getClass().getSimpleName() + "." + methodName, tableName);
+    Span span = createTableSpan("AsyncRegionLocator." + methodName, tableName);
     try (Scope scope = span.makeCurrent()) {
       CompletableFuture<T> future = action.get();
       FutureUtils.addListener(future, (resp, error) -> {

hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionFactory.java

@@ -305,6 +305,6 @@ public static CompletableFuture<AsyncConnection> createAsyncConnection(Configura
         }
       });
       return future;
-    }, ConnectionFactory.class.getSimpleName() + ".createAsyncConnection");
+    }, "ConnectionFactory.createAsyncConnection");
   }
 }