[TECH][wenhao] fix sonar issues.

Author: wenhao

src/main/java/com/github/wenhao/jpa/Specifications.java

@@ -24,7 +24,11 @@
 import static javax.persistence.criteria.Predicate.BooleanOperator.AND;
 import static javax.persistence.criteria.Predicate.BooleanOperator.OR;
 
-public class Specifications {
+public final class Specifications {
+
+ private Specifications() {
+ }
+
  public static <T> PredicateBuilder<T> and() {
  return new PredicateBuilder<>(AND);
  }

src/main/java/com/github/wenhao/jpa/specification/BetweenSpecification.java

@@ -31,8 +31,8 @@
 
 public class BetweenSpecification<T> extends AbstractSpecification<T> {
  private final String property;
- private final Comparable<Object> lower;
- private final Comparable<Object> upper;
+ private final transient Comparable<Object> lower;
+ private final transient Comparable<Object> upper;
 
  public BetweenSpecification(String property, Object lower, Object upper) {
  this.property = property;

src/main/java/com/github/wenhao/jpa/specification/EqualSpecification.java

@@ -29,7 +29,7 @@
 
 public class EqualSpecification<T> extends AbstractSpecification<T> {
  private final String property;
- private final Object[] values;
+ private final transient Object[] values;
 
  public EqualSpecification(String property, Object... values) {
  this.property = property;

src/main/java/com/github/wenhao/jpa/specification/GeSpecification.java

@@ -29,7 +29,7 @@
 
 public class GeSpecification<T> extends AbstractSpecification<T> {
  private final String property;
- private final Comparable<Object> compare;
+ private final transient Comparable<Object> compare;
 
  public GeSpecification(String property, Comparable<? extends Object> compare) {
  this.property = property;

src/main/java/com/github/wenhao/jpa/specification/GtSpecification.java

@@ -29,7 +29,7 @@
 
 public class GtSpecification<T> extends AbstractSpecification<T> {
  private final String property;
- private final Comparable<Object> compare;
+ private final transient Comparable<Object> compare;
 
  public GtSpecification(String property, Comparable<? extends Object> compare) {
  this.property = property;

src/main/java/com/github/wenhao/jpa/specification/InSpecification.java

@@ -29,8 +29,8 @@
 import java.util.Collection;
 
 public class InSpecification<T> extends AbstractSpecification<T> {
- private String property;
- private Collection<?> values;
+ private final String property;
+ private final transient Collection<?> values;
 
  public InSpecification(String property, Collection<?> values) {
  this.property = property;

src/main/java/com/github/wenhao/jpa/specification/LeSpecification.java

@@ -29,7 +29,7 @@
 
 public class LeSpecification<T> extends AbstractSpecification<T> {
  private final String property;
- private final Comparable<Object> compare;
+ private final transient Comparable<Object> compare;
 
  public LeSpecification(String property, Comparable<? extends Object> compare) {
  this.property = property;