add statuses

src/main/java/ru/ulstu/paper/model/Paper.java

@@ -1,5 +1,7 @@
 package ru.ulstu.paper.model;
 
+import org.hibernate.annotations.Fetch;
+import org.hibernate.annotations.FetchMode;
 import org.hibernate.validator.constraints.NotBlank;
 import ru.ulstu.core.model.BaseEntity;
 import ru.ulstu.core.model.UserContainer;
@@ -16,10 +18,9 @@ import javax.persistence.FetchType;
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToMany;
 import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
-import javax.persistence.OneToMany;
-import javax.validation.constraints.NotNull;
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.Date;
@@ -33,9 +34,11 @@ public class Paper extends BaseEntity implements UserContainer {
     public enum PaperStatus {
         ATTENTION("Обратить внимание"),
         ON_PREPARATION("На подготовке"),
-        ON_REVIEW("На проверке"),
+        ON_REVIEW("Отправлена на проверку"),
+        ACCEPTED("Принята"),
+        NOT_ACCEPTED("Не принята"),
+        COMPLETED("Завершена (опубликована)"),
         DRAFT("Черновик"),
-        COMPLETED("Завершена"),
         FAILED("Провалены сроки");
 
         private String statusName;
@@ -64,7 +67,8 @@ public class Paper extends BaseEntity implements UserContainer {
     private Date updateDate = new Date();
 
     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
-    @JoinColumn(name = "paper_id")
+    @JoinColumn(name = "paper_id", unique = true)
+    @Fetch(FetchMode.SUBSELECT)
     private List<Deadline> deadlines = new ArrayList<>();
 
     private String comment;