Resolves checkstyle errors for patterns starting with letter r (#1072)

* Reduces checkstyle errors in reactor

* Reduces checkstyle errors in reader-writer-lock

* Reduces checkstyle errors in repository

* Reduces checkstyle errors in resource-acquisition-is-initialization

* Reduces checkstyle errors in retry

repository/src/main/java/com/iluwatar/repository/App.java

@@ -25,7 +25,6 @@ package com.iluwatar.repository;
 
 import java.util.List;
 import java.util.Optional;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
@@ -38,8 +37,8 @@ import org.springframework.context.support.ClassPathXmlApplicationContext;
  * query construction code is concentrated. This becomes more important when there are a large
  * number of domain classes or heavy querying. In these cases particularly, adding this layer helps
  * minimize duplicate query logic.
- * <p>
- * In this example we utilize Spring Data to automatically generate a repository for us from the
+ *
+ * <p>In this example we utilize Spring Data to automatically generate a repository for us from the
  * {@link Person} domain object. Using the {@link PersonRepository} we perform CRUD operations on
  * the entity, moreover, the query by {@link org.springframework.data.jpa.domain.Specification} are
  * also performed. Underneath we have configured in-memory H2 database for which schema is created
@@ -50,10 +49,9 @@ public class App {
   private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
 
   /**
-   * Program entry point
-   * 
-   * @param args
-   *          command line args
+   * Program entry point.
+   *
+   * @param args command line args
    */
   public static void main(String[] args) {
 
@@ -107,7 +105,7 @@ public class App {
     }
 
     repository.deleteAll();
-    
+
     context.close();
 
   }

repository/src/main/java/com/iluwatar/repository/AppConfig.java

@@ -27,9 +27,7 @@ import java.sql.SQLException;
 import java.util.List;
 import java.util.Optional;
 import java.util.Properties;
-
 import javax.sql.DataSource;
-
 import org.apache.commons.dbcp.BasicDataSource;
 import org.hibernate.jpa.HibernatePersistenceProvider;
 import org.slf4j.Logger;
@@ -42,9 +40,7 @@ import org.springframework.orm.jpa.JpaTransactionManager;
 import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
 
 /**
- * This is the same example as in {@link App} but with annotations based 
- * configuration for Spring.
- *
+ * This is the same example as in {@link App} but with annotations based configuration for Spring.
  */
 @EnableJpaRepositories
 @SpringBootConfiguration
@@ -53,8 +49,8 @@ public class AppConfig {
   private static final Logger LOGGER = LoggerFactory.getLogger(AppConfig.class);
 
   /**
-   * Creation of H2 db
-   * 
+   * Creation of H2 db.
+   *
    * @return A new Instance of DataSource
    */
   @Bean(destroyMethod = "close")
@@ -68,11 +64,12 @@ public class AppConfig {
   }
 
   /**
-   * Factory to create a especific instance of Entity Manager
+   * Factory to create a especific instance of Entity Manager.
    */
   @Bean
   public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
-    LocalContainerEntityManagerFactoryBean entityManager = new LocalContainerEntityManagerFactoryBean();
+    LocalContainerEntityManagerFactoryBean entityManager =
+        new LocalContainerEntityManagerFactoryBean();
     entityManager.setDataSource(dataSource());
     entityManager.setPackagesToScan("com.iluwatar");
     entityManager.setPersistenceProvider(new HibernatePersistenceProvider());
@@ -82,7 +79,7 @@ public class AppConfig {
   }
 
   /**
-   * Properties for Jpa
+   * Properties for Jpa.
    */
   private static Properties jpaProperties() {
     Properties properties = new Properties();
@@ -92,7 +89,7 @@ public class AppConfig {
   }
 
   /**
-   * Get transaction manager
+   * Get transaction manager.
    */
   @Bean
   public JpaTransactionManager transactionManager() throws SQLException {
@@ -102,10 +99,9 @@ public class AppConfig {
   }
 
   /**
-   * Program entry point
-   * 
-   * @param args
-   *          command line args
+   * Program entry point.
+   *
+   * @param args command line args
    */
   public static void main(String[] args) {
 

repository/src/main/java/com/iluwatar/repository/Person.java

@@ -28,9 +28,7 @@ import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
 
 /**
- * 
- * Person entity
- *
+ * Person entity.
  */
 @Entity
 public class Person {
@@ -47,7 +45,7 @@ public class Person {
   }
 
   /**
-   * Constructor
+   * Constructor.
    */
   public Person(String name, String surname, int age) {
     this.name = name;

repository/src/main/java/com/iluwatar/repository/PersonRepository.java

@@ -28,9 +28,7 @@ import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 
 /**
- * 
- * Person repository
- *
+ * Person repository.
  */
 @Repository
 public interface PersonRepository

repository/src/main/java/com/iluwatar/repository/PersonSpecifications.java

@@ -27,16 +27,15 @@ import javax.persistence.criteria.CriteriaBuilder;
 import javax.persistence.criteria.CriteriaQuery;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
-
 import org.springframework.data.jpa.domain.Specification;
 
 /**
- * Helper class, includes vary Specification as the abstraction of sql query criteria
+ * Helper class, includes vary Specification as the abstraction of sql query criteria.
  */
 public class PersonSpecifications {
 
   /**
-   * Specifications stating the Between (From - To) Age Specification
+   * Specifications stating the Between (From - To) Age Specification.
    */
   public static class AgeBetweenSpec implements Specification<Person> {
 
@@ -59,8 +58,7 @@ public class PersonSpecifications {
   }
 
   /**
-   * Name specification
-   *
+   * Name specification.
    */
   public static class NameEqualSpec implements Specification<Person> {
 
@@ -71,7 +69,7 @@ public class PersonSpecifications {
     }
 
     /**
-     * Get predicate
+     * Get predicate.
      */
     public Predicate toPredicate(Root<Person> root, CriteriaQuery<?> query, CriteriaBuilder cb) {