1 files changed, 19 insertions, 2 deletions
diff --git a/src/main/java/design/model/League.java b/src/main/java/design/model/League.java
index 98c9bdd..eb9eef5 100644
--- a/src/main/java/design/model/League.java
+++ b/src/main/java/design/model/League.java
@@ -1,16 +1,19 @@
 package design.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+
 import java.util.Date;
 
 public abstract class League {
-    private final int id;
+    private int id;
     private final String name;
     private final Date registrationDate;
     private final Date startDate;
     private final Date endDate;
     private final Golfer owner;
 
-    public League(int id, String name, Date registrationDate, Date startDate, Date endDate, Golfer owner) {
+    @JsonCreator
+    private League(int id, String name, Date registrationDate, Date startDate, Date endDate, Golfer owner) {
         this.id = id;
         this.name = name;
         this.registrationDate = registrationDate;
@@ -19,6 +22,15 @@ public abstract class League {
         this.owner = owner;
     }
 
+    public League(String name, Date registrationDate, Date startDate, Date endDate, Golfer owner) {
+        this.id = -1;
+        this.name = name;
+        this.registrationDate = registrationDate;
+        this.startDate = startDate;
+        this.endDate = endDate;
+        this.owner = owner;
+    }
+
     public int getId() {
         return id;
     }
@@ -42,4 +54,9 @@ public abstract class League {
     public Golfer getOwner() {
         return owner;
     }
+
+    public void setId(int id) {
+        assert this.id == -1;
+        this.id = id;
+    }
 }