Добавлены классы для пакетов и паттернов

src/main/java/ru/serega6531/packmate/repository/PacketRepository.java

@@ -0,0 +1,7 @@
+package ru.serega6531.packmate.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import ru.serega6531.packmate.model.Packet;
+
+public interface PacketRepository extends JpaRepository<Packet, Long> {
+}

src/main/java/ru/serega6531/packmate/repository/PatternRepository.java

@@ -0,0 +1,7 @@
+package ru.serega6531.packmate.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import ru.serega6531.packmate.model.Pattern;
+
+public interface PatternRepository extends JpaRepository<Pattern, Integer> {
+}

src/main/java/ru/serega6531/packmate/repository/ServiceRepository.java

@@ -1,7 +1,7 @@
 package ru.serega6531.packmate.repository;
 
 import org.springframework.data.jpa.repository.JpaRepository;
-import ru.serega6531.packmate.model.Service;
+import ru.serega6531.packmate.model.CtfService;
 
-public interface ServiceRepository extends JpaRepository<Service, Integer> {
+public interface ServiceRepository extends JpaRepository<CtfService, Integer> {
 }

src/main/java/ru/serega6531/packmate/repository/StreamRepository.java

@@ -3,5 +3,10 @@ package ru.serega6531.packmate.repository;
 import org.springframework.data.jpa.repository.JpaRepository;
 import ru.serega6531.packmate.model.Stream;
 
+import java.util.List;
+
 public interface StreamRepository extends JpaRepository<Stream, Long> {
+
+    List<Stream> findAllByService_Port(int port);
+
 }