JavaJava19
diff --git a/‎src/main/java/fr/mrmicky/fastboard/FastBoard.java‎
Lines changed: 11 additions & 5 deletions b/‎src/main/java/fr/mrmicky/fastboard/FastBoard.java‎
Lines changed: 11 additions & 5 deletions
@@ -100,12 +100,14 @@ public class FastBoard {
         }
     }
 
-    private Player player;
-    private String id;
+    private final Player player;
+    private final String id;
 
     private String title;
     private List<String> lines = new ArrayList<>();
 
+    private boolean deleted = false;
+
     /**
      * Create a new FastBoard for a player
      *
@@ -245,6 +247,10 @@ public Player getPlayer() {
         return player;
     }
 
+    public boolean isDeleted() {
+        return deleted;
+    }
+
     /**
      * Delete this FastBoard, and will remove the scoreboard for the associated player if he is online.
      * After this, all uses of {@link #updateLines} and {@link #updateTitle} will throws an {@link IllegalStateException}
@@ -262,7 +268,7 @@ public void delete() {
             e.printStackTrace();
         }
 
-        player = null;
+        deleted = true;
     }
 
     private void sendObjectivePacket(ObjectiveMode mode) throws ReflectiveOperationException {
@@ -349,7 +355,7 @@ private void sendTeamPacket(int score, TeamMode mode) throws ReflectiveOperation
             setField(packet, String.class, "always", 5); // Collisions for 1.9+
 
             if (mode == TeamMode.CREATE) {
-                setField(packet, Collection.class, Collections.singleton(getColorCode(score))); // Players in the team
+                setField(packet, Collection.class, Collections.singletonList(getColorCode(score))); // Players in the team
             }
         }
 
@@ -361,7 +367,7 @@ private String getColorCode(int score) {
     }
 
     private void sendPacket(Object packet) throws ReflectiveOperationException {
-        if (player == null) {
+        if (deleted) {
             throw new IllegalStateException("This FastBoard is deleted");
         }
Original file line number	Diff line number	Diff line change
`@@ -100,12 +100,14 @@ public class FastBoard {`
`100`	`100`	`}`
`101`	`101`	`}`
`102`	`102`
`103`		`- private Player player;`
`104`		`- private String id;`
	`103`	`+ private final Player player;`
	`104`	`+ private final String id;`
`105`	`105`
`106`	`106`	`private String title;`
`107`	`107`	`private List<String> lines = new ArrayList<>();`
`108`	`108`
	`109`	`+ private boolean deleted = false;`
	`110`	`+`
`109`	`111`	`/**`
`110`	`112`	`* Create a new FastBoard for a player`
`111`	`113`	`*`
`@@ -245,6 +247,10 @@ public Player getPlayer() {`
`245`	`247`	`return player;`
`246`	`248`	`}`
`247`	`249`
	`250`	`+ public boolean isDeleted() {`
	`251`	`+ return deleted;`
	`252`	`+ }`
	`253`	`+`
`248`	`254`	`/**`
`249`	`255`	`* Delete this FastBoard, and will remove the scoreboard for the associated player if he is online.`
`250`	`256`	`* After this, all uses of {@link #updateLines} and {@link #updateTitle} will throws an {@link IllegalStateException}`
`@@ -262,7 +268,7 @@ public void delete() {`
`262`	`268`	`e.printStackTrace();`
`263`	`269`	`}`
`264`	`270`
`265`		`- player = null;`
	`271`	`+ deleted = true;`
`266`	`272`	`}`
`267`	`273`
`268`	`274`	`private void sendObjectivePacket(ObjectiveMode mode) throws ReflectiveOperationException {`
`@@ -349,7 +355,7 @@ private void sendTeamPacket(int score, TeamMode mode) throws ReflectiveOperation`
`349`	`355`	`setField(packet, String.class, "always", 5); // Collisions for 1.9+`
`350`	`356`
`351`	`357`	`if (mode == TeamMode.CREATE) {`
`352`		`- setField(packet, Collection.class, Collections.singleton(getColorCode(score))); // Players in the team`
	`358`	`+ setField(packet, Collection.class, Collections.singletonList(getColorCode(score))); // Players in the team`
`353`	`359`	`}`
`354`	`360`	`}`
`355`	`361`
`@@ -361,7 +367,7 @@ private String getColorCode(int score) {`
`361`	`367`	`}`
`362`	`368`
`363`	`369`	`private void sendPacket(Object packet) throws ReflectiveOperationException {`
`364`		`- if (player == null) {`
	`370`	`+ if (deleted) {`
`365`	`371`	`throw new IllegalStateException("This FastBoard is deleted");`
`366`	`372`	`}`
`367`	`373`