Cleanup

Signed-off-by: Nghia Truong <[email protected]>

src/main/java/com/nvidia/spark/rapids/jni/BloomFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, NVIDIA CORPORATION.
+ * Copyright (c) 2023-2024, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,9 +16,6 @@
 
 package com.nvidia.spark.rapids.jni;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import ai.rapids.cudf.BaseDeviceMemoryBuffer;
 import ai.rapids.cudf.ColumnVector;
 import ai.rapids.cudf.CudfException;
@@ -59,19 +56,19 @@ public static void put(Scalar bloomFilter, ColumnVector cv){
 
   /**
    * Merge one or more bloom filters into a new bloom filter.
-   * @param bloomFilters A ColumnVector containing a bloom filter per row. 
+   * @param bloomFilters A ColumnVector containing a bloom filter per row.
    * @return A new bloom filter containing the merged inputs.
    */
   public static Scalar merge(ColumnVector bloomFilters){
     return new Scalar(DType.LIST, merge(bloomFilters.getNativeView()));
   }
 
   /**
-   * Probe a bloom filter with a column of longs. Returns a column of booleans. For 
+   * Probe a bloom filter with a column of longs. Returns a column of booleans. For
    * each row in the output; a value of true indicates that the corresponding input value
    * -may- be in the set of values used to build the bloom filter; a value of false indicates
    * that the corresponding input value is conclusively not in the set of values used to build
-   * the bloom filter. 
+   * the bloom filter.
    * @param bloomFilter The bloom filter to be probed.
    * @param cv The column containing the values to check.
    * @return A boolean column indicating the results of the probe.
@@ -81,23 +78,23 @@ public static ColumnVector probe(Scalar bloomFilter, ColumnVector cv){
   }
 
   /**
-   * Probe a bloom filter with a column of longs. Returns a column of booleans. For 
+   * Probe a bloom filter with a column of longs. Returns a column of booleans. For
    * each row in the output; a value of true indicates that the corresponding input value
    * -may- be in the set of values used to build the bloom filter; a value of false indicates
    * that the corresponding input value is conclusively not in the set of values used to build
-   * the bloom filter. 
-   * @param bloomFilter The bloom filter to be probed. This buffer is expected to be the 
+   * the bloom filter.
+   * @param bloomFilter The bloom filter to be probed. This buffer is expected to be the
    * fully packed Spark bloom filter, including header.
    * @param cv The column containing the values to check.
    * @return A boolean column indicating the results of the probe.
    */
   public static ColumnVector probe(BaseDeviceMemoryBuffer bloomFilter, ColumnVector cv){
     return new ColumnVector(probebuffer(bloomFilter.getAddress(), bloomFilter.getLength(), cv.getNativeView()));
   }
-  
+
   private static native long creategpu(int numHashes, long bloomFilterBits) throws CudfException;
   private static native int put(long bloomFilter, long cv) throws CudfException;
   private static native long merge(long bloomFilters) throws CudfException;
-  private static native long probe(long bloomFilter, long cv) throws CudfException;  
-  private static native long probebuffer(long bloomFilter, long bloomFilterSize, long cv) throws CudfException;  
+  private static native long probe(long bloomFilter, long cv) throws CudfException;
+  private static native long probebuffer(long bloomFilter, long bloomFilterSize, long cv) throws CudfException;
 }

src/main/java/com/nvidia/spark/rapids/jni/RegexRewriteUtils.java

@@ -28,7 +28,7 @@ public class RegexRewriteUtils {
  * a literal string followed by a range of characters in the range of start to end, with at least
  * len characters.
  *
- * @param strings Column of strings to check for literal.
+ * @param input Column of strings to check for literal.
  * @param literal UTF-8 encoded string to check in strings column.
  * @param len Minimum number of characters to check after the literal.
  * @param start Minimum UTF-8 codepoint value to check for in the range.