Merge pull request #396 from apache/cleanupWarnings

Cleanup warnings

Author: leerho

src/main/java/org/apache/datasketches/cpc/CompressionCharacterization.java

@@ -42,7 +42,6 @@
  * @author Lee Rhodes
  * @author Kevin Lang
  */
-@SuppressWarnings("javadoc")
 public class CompressionCharacterization {
   private String hfmt;
   private String dfmt;

src/main/java/org/apache/datasketches/cpc/MergingValidation.java

@@ -37,7 +37,6 @@
  * @author Lee Rhodes
  * @author Kevin Lang
  */
-@SuppressWarnings("javadoc")
 public class MergingValidation {
   private String hfmt;
   private String dfmt;

src/main/java/org/apache/datasketches/cpc/QuickMergingValidation.java

@@ -37,7 +37,6 @@
  * @author Lee Rhodes
  * @author Kevin Lang
  */
-@SuppressWarnings("javadoc")
 public class QuickMergingValidation {
   private String hfmt;
   private String dfmt;

src/main/java/org/apache/datasketches/cpc/StreamingValidation.java

@@ -35,7 +35,6 @@
  * @author Lee Rhodes
  * @author Kevin Lang
  */
-@SuppressWarnings("javadoc")
 public class StreamingValidation {
   private String hfmt;
   private String dfmt;

src/main/java/org/apache/datasketches/frequencies/ItemsSketch.java

@@ -482,7 +482,6 @@ public void reset() {
    * @param serDe an instance of ArrayOfItemsSerDe
    * @return a byte array representation of this sketch
    */
-  @SuppressWarnings("null")
   public byte[] toByteArray(final ArrayOfItemsSerDe<T> serDe) {
     final int preLongs;
     final int outBytes;

src/main/java/org/apache/datasketches/hash/XxHash.java

@@ -24,14 +24,13 @@
 /**
  * The XxHash is a fast, non-cryptographic, 64-bit hash function that has
  * excellent avalanche and 2-way bit independence properties.
- *  
- * <p>This class wraps the   
+ *
+ * <p>This class wraps the
  * <a href="https://github.com/apache/datasketches-memory/blob/master/datasketches-memory-java8/src/main/java/org/apache/datasketches/memory/XxHash.java">Memory Component XxHash</a>
  * implementation.
  *
  * @author Lee Rhodes
  */
-@SuppressWarnings("javadoc")
 public class XxHash {
 
   /**

src/main/java/org/apache/datasketches/hll/TgtHllType.java

@@ -51,7 +51,6 @@
 
  * @author Lee Rhodes
  */
-@SuppressWarnings("javadoc")
 public enum TgtHllType { HLL_4, HLL_6, HLL_8;
 
   private static final TgtHllType values[] = values();

src/main/java/org/apache/datasketches/quantiles/DoublesUnionImpl.java

@@ -145,7 +145,6 @@ public void reset() {
   }
 
   //@formatter:off
-  @SuppressWarnings("null")
   static UpdateDoublesSketch updateLogic(final int myMaxK, final UpdateDoublesSketch myQS,
                                          final DoublesSketch other) {
     int sw1 = ((myQS  == null) ? 0 :  myQS.isEmpty() ? 4 : 8);

src/main/java/org/apache/datasketches/quantiles/ItemsSketch.java

@@ -532,7 +532,6 @@ public boolean isEmpty() {
   /**
    * @return true if this sketch is off-heap
    */
-  @SuppressWarnings("static-method")
   public boolean isDirect() {
     return false;
   }

src/main/java/org/apache/datasketches/quantiles/ItemsUnion.java

@@ -254,7 +254,7 @@ public byte[] toByteArray(final ArrayOfItemsSerDe<T> serDe) {
   }
 
   //@formatter:off
-  @SuppressWarnings({"null", "unchecked"})
+  @SuppressWarnings("unchecked")
   static <T> ItemsSketch<T> updateLogic(final int myMaxK, final Comparator<? super T> comparator,
       final ItemsSketch<T> myQS, final ItemsSketch<T> other) {
     int sw1 = ((myQS   == null) ? 0 :   myQS.isEmpty() ? 4 : 8);