Добавлена модель стрима

src/main/java/ru/serega6531/packmate/model/Packet.java

@@ -0,0 +1,29 @@
+package ru.serega6531.packmate.model;
+
+import lombok.Data;
+import org.hibernate.annotations.GenericGenerator;
+
+import javax.persistence.*;
+
+@Data
+@Entity
+@GenericGenerator(
+        name = "packet_generator",
+        strategy = "org.hibernate.id.enhanced.SequenceStyleGenerator",
+        parameters = {
+                @org.hibernate.annotations.Parameter(name = "sequence_name", value = "packet_seq"),
+                @org.hibernate.annotations.Parameter(name = "initial_value", value = "1"),
+                @org.hibernate.annotations.Parameter(name = "increment_size", value = "1")
+        }
+)
+public class Packet {
+
+    @Id
+    @GeneratedValue(generator = "packet_generator")
+    private Long id;
+
+    @ManyToOne
+    @JoinColumn(name = "stream_id", nullable = false)
+    private Stream stream;
+
+}

src/main/java/ru/serega6531/packmate/model/Stream.java

@@ -1,11 +1,12 @@
 package ru.serega6531.packmate.model;
 
+import lombok.Data;
 import org.hibernate.annotations.GenericGenerator;
 
-import javax.persistence.Entity;
+import javax.persistence.*;
-import javax.persistence.GeneratedValue;
+import java.util.List;
-import javax.persistence.Id;
 
+@Data
 @Entity
 @GenericGenerator(
         name = "stream_generator",
@@ -22,4 +23,7 @@ public class Stream {
     @GeneratedValue(generator = "stream_generator")
     private Long id;
 
+    @OneToMany(mappedBy = "stream", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<Packet> packet;
+
 }