DATAJDBC-410 - Polishing.

Tweak Javadoc.

Original pull request: #167.

spring-data-relational/src/main/java/org/springframework/data/relational/core/sql/Conditions.java

@@ -227,7 +227,7 @@ public abstract class Conditions {
 	 *
 	 * @param columnOrExpression left hand side of the {@link Condition} must not be {@literal null}.
 	 * @param expressions right hand side (collection {@link Expression}) must not be {@literal null}.
-	 * @return the {@link In} {@link Condition}.
+	 * @return the {@link In NOT IN} {@link Condition}.
 	 */
 	public static In notIn(Expression columnOrExpression, Expression... expressions) {
 
@@ -242,7 +242,7 @@ public abstract class Conditions {
 	 *
 	 * @param column the column to compare.
 	 * @param subselect the subselect.
-	 * @return the {@link In} condition.
+	 * @return the {@link In NOT IN} condition.
 	 */
 	public static In notIn(Column column, Select subselect) {
 

spring-data-relational/src/main/java/org/springframework/data/relational/core/sql/In.java

@@ -149,9 +149,12 @@ public class In extends AbstractSegment implements Condition {
 		return new In(columnOrExpression, Arrays.asList(expressions), true);
 	}
 
+	/* 
+	 * (non-Javadoc)
+	 * @see org.springframework.data.relational.core.sql.Condition#not()
+	 */
 	@Override
 	public Condition not() {
-
 		return new In(left, expressions, !notIn);
 	}