#66 changed from Set to List

src/main/java/ru/ulstu/conference/model/Conference.java

@@ -60,7 +60,7 @@ public class Conference extends BaseEntity {
     @JoinTable(name = "paper_conference",
             joinColumns = {@JoinColumn(name = "conference_id")},
             inverseJoinColumns = {@JoinColumn(name = "paper_id")})
-    private Set<Paper> papers = new HashSet<>();
+    private List<Paper> papers = new ArrayList<>();
 
     @ManyToMany(fetch = FetchType.EAGER)
     @JoinTable(name = "users_conference",
@@ -124,11 +124,11 @@ public class Conference extends BaseEntity {
         this.deadlines = deadlines;
     }
 
-    public Set<Paper> getPapers() {
+    public List<Paper> getPapers() {
         return papers;
     }
 
-    public void setPapers(Set<Paper> papers) {
+    public void setPapers(List<Paper> papers) {
         this.papers = papers;
     }
 

src/main/java/ru/ulstu/conference/model/ConferenceDto.java

@@ -5,7 +5,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import org.hibernate.validator.constraints.NotEmpty;
 import org.springframework.format.annotation.DateTimeFormat;
 import ru.ulstu.deadline.model.Deadline;
-import ru.ulstu.paper.model.PaperDto;
+import ru.ulstu.paper.model.Paper;
 import ru.ulstu.user.model.UserDto;
 
 import javax.persistence.Temporal;
@@ -39,8 +39,8 @@ public class ConferenceDto {
     private List<Deadline> deadlines = new ArrayList<>();
     private List<Integer> removedDeadlineIds = new ArrayList<>();
     private Set<Integer> userIds = new HashSet<>();
-    private Set<Integer> paperIds = new HashSet<>();
+    private List<Integer> paperIds = new ArrayList<>();
-    private Set<PaperDto> papers = new HashSet<>();
+    private List<Paper> papers = new ArrayList<>();
     private Set<UserDto> users = new HashSet<>();
     private Integer filterUserId;
 
@@ -57,9 +57,9 @@ public class ConferenceDto {
                          @JsonProperty("endDate") Date endDate,
                          @JsonProperty("deadlines") List<Deadline> deadlines,
                          @JsonProperty("userIds") Set<Integer> userIds,
-                         @JsonProperty("paperIds") Set<Integer> paperIds,
+                         @JsonProperty("paperIds") List<Integer> paperIds,
                          @JsonProperty("users") Set<UserDto> users,
-                         @JsonProperty("papers") Set<PaperDto> papers) {
+                         @JsonProperty("papers") List<Paper> papers) {
         this.id = id;
         this.title = title;
         this.description = description;
@@ -86,7 +86,7 @@ public class ConferenceDto {
         this.userIds = convert(conference.getUsers(), user -> user.getId());
         this.paperIds = convert(conference.getPapers(), paper -> paper.getId());
         this.users = convert(conference.getUsers(), UserDto::new);
-        this.papers = convert(conference.getPapers(), PaperDto::new);
+        this.papers = conference.getPapers();
 
     }
 
@@ -162,19 +162,19 @@ public class ConferenceDto {
         this.userIds = userIds;
     }
 
-    public Set<Integer> getPaperIds() {
+    public List<Integer> getPaperIds() {
         return paperIds;
     }
 
-    public void setPaperIds(Set<Integer> paperIds) {
+    public void setPaperIds(List<Integer> paperIds) {
         this.paperIds = paperIds;
     }
 
-    public Set<PaperDto> getPapers() {
+    public List<Paper> getPapers() {
         return papers;
     }
 
-    public void setPapers(Set<PaperDto> papers) {
+    public void setPapers(List<Paper> papers) {
         this.papers = papers;
     }