clean code2

Author: iproha94

src/main/java/com/wordpress/ilyaps/dao/BookDAO.java

@@ -1,6 +1,5 @@
 package com.wordpress.ilyaps.dao;
 
-import com.sun.istack.internal.NotNull;
 import com.wordpress.ilyaps.models.Book;
 import com.wordpress.ilyaps.models.Category;
 import com.wordpress.ilyaps.services.DBService;

src/main/java/com/wordpress/ilyaps/dao/MemberDAO.java

@@ -1,13 +1,11 @@
 package com.wordpress.ilyaps.dao;
 
-import com.sun.istack.internal.Nullable;
 import com.wordpress.ilyaps.models.Member;
 import org.apache.log4j.Logger;
 
 public class MemberDAO extends BaseDAO {
     private static final Logger LOGGER = Logger.getLogger(MemberDAO.class);
 
-    @Nullable
     public static Member find(String email, int hashPassword) {
         Member member = (Member) find(Member.class, email);
 

src/main/java/com/wordpress/ilyaps/dao/TaskDAO.java

@@ -1,7 +1,5 @@
 package com.wordpress.ilyaps.dao;
 
-import com.sun.istack.internal.NotNull;
-import com.sun.istack.internal.Nullable;
 import com.wordpress.ilyaps.models.Category;
 import com.wordpress.ilyaps.models.Member;
 import com.wordpress.ilyaps.models.Task;
@@ -17,7 +15,6 @@
 public class TaskDAO extends BaseDAO {
     private static final Logger LOGGER = Logger.getLogger(TaskDAO.class);
 
-    @NotNull
     public static List<Task> findOpenByCategory(Category category, int start, int count) {
         EntityManager em = DBService.getInstance().getEm();
 
@@ -47,7 +44,6 @@ public static List<Task> findOpenByCategory(Category category, int start, int co
         return tasks != null ? tasks : new ArrayList<>(0);
     }
 
-    @NotNull
     public static List<Task> findAllOpen(int start, int count) {
         EntityManager em = DBService.getInstance().getEm();
 
@@ -73,7 +69,6 @@ public static List<Task> findAllOpen(int start, int count) {
         return tasks != null ? tasks : new ArrayList<>(0);
     }
 
-    @NotNull
     public static List<Task> findTasksByMemberNeed(Member memberNeed) {
         EntityManager em = DBService.getInstance().getEm();
 
@@ -92,7 +87,6 @@ public static List<Task> findTasksByMemberNeed(Member memberNeed) {
         return tasks != null ? tasks : new ArrayList<>(0);
     }
 
-    @Nullable
     public static long countByMember(Member member) {
         EntityManager em = DBService.getInstance().getEm();
 

src/main/java/com/wordpress/ilyaps/dao/WantToHelpDAO.java

@@ -1,7 +1,5 @@
 package com.wordpress.ilyaps.dao;
 
-import com.sun.istack.internal.NotNull;
-import com.sun.istack.internal.Nullable;
 import com.wordpress.ilyaps.models.Member;
 import com.wordpress.ilyaps.models.Task;
 import com.wordpress.ilyaps.models.WantToHelp;
@@ -15,7 +13,6 @@
 public class WantToHelpDAO extends BaseDAO {
     private static final Logger LOGGER = Logger.getLogger(WantToHelpDAO.class);
 
-    @NotNull
     public static List<WantToHelp> findByTaskId(Task task) {
         EntityManager em = DBService.getInstance().getEm();
 
@@ -34,7 +31,6 @@ public static List<WantToHelp> findByTaskId(Task task) {
         return helpers != null ? helpers : new ArrayList<>(0);
     }
 
-    @Nullable
     public static String getNoteForTaskByEmail(Task task, Member member) {
         EntityManager em = DBService.getInstance().getEm();