[ci] Cleanup a couple pmd issues

Author: hazendaz

src/main/java/org/apache/ibatis/binding/MapperProxy.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2019 the original author or authors.
+ *    Copyright 2009-2020 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.
@@ -82,14 +82,14 @@ public Object invoke(Object proxy, Method method, Object[] args) throws Throwabl
       if (Object.class.equals(method.getDeclaringClass())) {
         return method.invoke(this, args);
       } else {
-        return cachedInvoker(proxy, method, args).invoke(proxy, method, args, sqlSession);
+        return cachedInvoker(method).invoke(proxy, method, args, sqlSession);
       }
     } catch (Throwable t) {
       throw ExceptionUtil.unwrapThrowable(t);
     }
   }
 
-  private MapperMethodInvoker cachedInvoker(Object proxy, Method method, Object[] args) throws Throwable {
+  private MapperMethodInvoker cachedInvoker(Method method) throws Throwable {
     try {
       return methodCache.computeIfAbsent(method, m -> {
         if (m.isDefault()) {

src/main/java/org/apache/ibatis/executor/keygen/Jdbc3KeyGenerator.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2019 the original author or authors.
+ *    Copyright 2009-2020 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.
@@ -98,7 +98,7 @@ private void assignKeys(Configuration configuration, ResultSet rs, ResultSetMeta
     } else if (parameter instanceof ArrayList && !((ArrayList<?>) parameter).isEmpty()
         && ((ArrayList<?>) parameter).get(0) instanceof ParamMap) {
       // Multi-param or single param with @Param in batch operation
-      assignKeysToParamMapList(configuration, rs, rsmd, keyProperties, ((ArrayList<ParamMap<?>>) parameter));
+      assignKeysToParamMapList(configuration, rs, rsmd, keyProperties, (ArrayList<ParamMap<?>>) parameter);
     } else {
       // Single param without @Param
       assignKeysToParam(configuration, rs, rsmd, keyProperties, parameter);