[HUDI-3191] Removing duplicating file-listing process w/in Hive's MOR FileInputFormats (#4556)

hudi-common/src/main/java/org/apache/hudi/TypeUtils.java

@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi;
+
+public class TypeUtils {
+
+  /**
+   * This utility abstracts unsafe type-casting in a way that allows to
+   * <ul>
+   *   <li>Search for such type-casts more easily (just searching for usages of this method)</li>
+   *   <li>Avoid type-cast warnings from the compiler</li>
+   * </ul>
+   */
+  @SuppressWarnings("unchecked")
+  public static <T> T unsafeCast(Object o) {
+    return (T) o;
+  }
+
+}