[checkstyle] optimize java code checkstyle for SimplifyBooleanExpression rule

optimize java code checkstyle for SimplifyBooleanExpression rule

This closes #3489
diff --git a/core/src/main/java/org/apache/carbondata/core/mutate/CarbonUpdateUtil.java b/core/src/main/java/org/apache/carbondata/core/mutate/CarbonUpdateUtil.java
index 90c3e39..2b3096e 100644
--- a/core/src/main/java/org/apache/carbondata/core/mutate/CarbonUpdateUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/mutate/CarbonUpdateUtil.java
@@ -138,7 +138,7 @@
           if (index != -1) {
             // update the element in existing list.
             SegmentUpdateDetails blockDetail = oldList.get(index);
-            if (blockDetail.getDeleteDeltaStartTimestamp().isEmpty() || (isCompaction == true)) {
+            if (blockDetail.getDeleteDeltaStartTimestamp().isEmpty() || (isCompaction)) {
               blockDetail
                   .setDeleteDeltaStartTimestamp(newBlockEntry.getDeleteDeltaStartTimestamp());
             }
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java
index ecf78f8..c358620 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java
@@ -71,7 +71,7 @@
       CarbonMeasure measure = this.msrColEvalutorInfoList.get(0).getMeasure();
       comparator = Comparator.getComparatorByDataTypeForMeasure(measure.getDataType());
     }
-    if (isDimensionPresentInCurrentBlock[0] == true) {
+    if (isDimensionPresentInCurrentBlock[0]) {
       isNaturalSorted = dimColEvaluatorInfoList.get(0).getDimension().isUseInvertedIndex()
           && dimColEvaluatorInfoList.get(0).getDimension().isSortColumn();
     }
diff --git a/dev/javastyle-config.xml b/dev/javastyle-config.xml
index b477bd3..bab54af 100644
--- a/dev/javastyle-config.xml
+++ b/dev/javastyle-config.xml
@@ -184,9 +184,7 @@
         <module name="LeftCurly"/>
 
         <!-- Checks for complicated boolean expressions. -->
-        <module name="SimplifyBooleanExpression">
-            <property name="severity" value="info"/>
-        </module>
+        <module name="SimplifyBooleanExpression"/>
 
         <!-- Checks for empty statements. -->
         <module name="EmptyStatement"/>
diff --git a/processing/src/main/java/org/apache/carbondata/processing/datatypes/PrimitiveDataType.java b/processing/src/main/java/org/apache/carbondata/processing/datatypes/PrimitiveDataType.java
index b216684..557c490 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/datatypes/PrimitiveDataType.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/datatypes/PrimitiveDataType.java
@@ -285,7 +285,7 @@
   public void setSurrogateIndex(int surrIndex) {
     if (this.carbonDimension != null && !this.carbonDimension.hasEncoding(Encoding.DICTIONARY)) {
       index = 0;
-    } else if (this.carbonDimension == null && isDictionary == false) {
+    } else if (this.carbonDimension == null && !isDictionary) {
       index = 0;
     } else {
       index = surrIndex;