🚨 Add some annotations to help with `null`

src/main/java/fr/uca/iut/codecs/GenericCodec.java

@@ -9,6 +9,7 @@ import org.bson.codecs.CollectibleCodec;
 import org.bson.codecs.DecoderContext;
 import org.bson.codecs.EncoderContext;
 import org.bson.types.ObjectId;
+import org.jetbrains.annotations.NotNull;
 
 public abstract class GenericCodec<T extends GenericEntity> implements CollectibleCodec<T> {
 
@@ -27,12 +28,12 @@ public abstract class GenericCodec<T extends GenericEntity> implements Collectib
     }
 
     @Override
-    public boolean documentHasId(T document) {
+    public boolean documentHasId(@NotNull T document) {
         return document.getId() != null;
     }
 
     @Override
-    public BsonValue getDocumentId(T document) {
+    public BsonValue getDocumentId(@NotNull T document) {
         return new BsonObjectId(new ObjectId(document.getId()));
     }
 

src/main/java/fr/uca/iut/codecs/move/MoveCodec.java

@@ -23,7 +23,7 @@ public class MoveCodec extends GenericCodec<Move> {
     }
 
     @Override
-    public void encode(BsonWriter writer, Move move, EncoderContext encoderContext) {
+    public void encode(BsonWriter writer, @NotNull Move move, EncoderContext encoderContext) {
         Document doc = new Document();
 
         doc.put("_id", new ObjectId(move.getId()));

src/main/java/fr/uca/iut/codecs/pokemong/PokemongCodec.java

@@ -14,6 +14,7 @@ import org.bson.codecs.Codec;
 import org.bson.codecs.DecoderContext;
 import org.bson.codecs.EncoderContext;
 import org.bson.types.ObjectId;
+import org.jetbrains.annotations.NotNull;
 
 import java.time.ZoneId;
 import java.util.Date;
@@ -30,7 +31,7 @@ public class PokemongCodec extends GenericCodec<Pokemong> {
     }
 
     @Override
-    public void encode(BsonWriter writer, Pokemong pokemong, EncoderContext encoderContext) {
+    public void encode(BsonWriter writer, @NotNull Pokemong pokemong, EncoderContext encoderContext) {
         Document doc = new Document();
 
         doc.put("_id", new ObjectId(pokemong.getId()));

src/main/java/fr/uca/iut/codecs/pokemong/PokemongCodecProvider.java

@@ -5,11 +5,12 @@ import fr.uca.iut.entities.Pokemong;
 import org.bson.codecs.Codec;
 import org.bson.codecs.configuration.CodecProvider;
 import org.bson.codecs.configuration.CodecRegistry;
+import org.jetbrains.annotations.NotNull;
 
 public class PokemongCodecProvider implements CodecProvider {
     @Nullable
     @Override
-    public <T> Codec<T> get(Class<T> clazz, CodecRegistry registry) {
+    public <T> Codec<T> get(@NotNull Class<T> clazz, CodecRegistry registry) {
         if (clazz.equals(Pokemong.class)) {
             return (Codec<T>) new PokemongCodec();
         }

src/main/java/fr/uca/iut/codecs/trainer/TrainerCodec.java

@@ -12,6 +12,7 @@ import org.bson.codecs.Codec;
 import org.bson.codecs.DecoderContext;
 import org.bson.codecs.EncoderContext;
 import org.bson.types.ObjectId;
+import org.jetbrains.annotations.NotNull;
 
 import java.time.LocalDate;
 import java.time.ZoneId;
@@ -28,7 +29,7 @@ public class TrainerCodec extends GenericCodec<Trainer> {
     }
 
     @Override
-    public void encode(BsonWriter writer, Trainer trainer, EncoderContext encoderContext) {
+    public void encode(BsonWriter writer, @NotNull Trainer trainer, EncoderContext encoderContext) {
         Document doc = new Document();
 
         doc.put("_id", new ObjectId(trainer.getId()));

src/main/java/fr/uca/iut/codecs/trainer/TrainerCodecProvider.java

@@ -5,11 +5,12 @@ import fr.uca.iut.entities.Trainer;
 import org.bson.codecs.Codec;
 import org.bson.codecs.configuration.CodecProvider;
 import org.bson.codecs.configuration.CodecRegistry;
+import org.jetbrains.annotations.NotNull;
 
 public class TrainerCodecProvider implements CodecProvider {
     @Nullable
     @Override
-    public <T> Codec<T> get(Class<T> clazz, CodecRegistry registry) {
+    public <T> Codec<T> get(@NotNull Class<T> clazz, CodecRegistry registry) {
         if (clazz.equals(Trainer.class)) {
             return (Codec<T>) new TrainerCodec();
         }

src/main/java/fr/uca/iut/services/PokemongService.java

@@ -193,7 +193,7 @@ public class PokemongService extends GenericService<Pokemong> {
         return repository.existsById(pokemongId);
     }
 
-    public void batchUpdatePokemongTrainers(List<TrainerPokemong> trainerPokemongs, @Nullable String trainerId) {
+    public void batchUpdatePokemongTrainers(@NotNull List<TrainerPokemong> trainerPokemongs, @Nullable String trainerId) {
         for (TrainerPokemong trainerPokemong : trainerPokemongs) {
             Pokemong pokemong = getOneById(trainerPokemong.getId());
             if (pokemong != null) {