apacheGH-15187: Change class instantiation

rtadepalli · Jun 14, 2023 · fe52705 · fe52705
1 parent 7f73e3c
commit fe52705
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/java/vector/src/main/java/org/apache/arrow/vector/BaseValueVector.java b/java/vector/src/main/java/org/apache/arrow/vector/BaseValueVector.java
@@ -170,10 +170,8 @@ public FieldReader getReader() {
     synchronized (this) {
       if (fieldReader == null) {
         try {
-          fieldReader =
-              (FieldReader) Class.forName(getReaderImplClass().getName()).getConstructor(getClass())
-                  .newInstance(this);
-        } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException |
+          fieldReader = getReaderImplClass().getDeclaredConstructor(getClass()).newInstance(this);
+        } catch (NoSuchMethodException | InstantiationException | IllegalAccessException |
                  InvocationTargetException e) {
           logger.error("Unable to instantiate FieldReader for {} because of: ", getClass().getSimpleName(), e);
           throw new RuntimeException(e);