Skapar Booking entity

.gitignore

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 target/
 /.idea/
+.env

Dockerfile

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+FROM eclipse-temurin:21-jdk
+
+COPY src/main/java/org/example/App.java /App.java
+
+ENTRYPOINT ["java", "/App.java"]
+

README.md

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+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/_uV8Mn8f)
 # 📘 Projektarbete: JPA + Hibernate med GitHub-flöde
 
 Projektet genomförs som antingen en Java CLI-applikation eller med hjälp av JavaFX om ni vill ha ett grafiskt gränssnitt.

dfg

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+commit 149e0caf9a2d36b0dfd9254b37c62c2bb73d2f0c (HEAD -> main, origin/main, origin/HEAD)
+Author: github-classroom[bot] <66690702+github-classroom[bot]@users.noreply.github.com>
+Date:   Mon Dec 15 09:40:48 2025 +0000
+
+    add deadline
+
+commit 879440803daa45b536e2ea5f3ec269d1be62bf04 (upstream/main, upstream/HEAD)
+Author: Martin Blomberg <martin.blomberg@outlook.com>
+Date:   Sun Dec 14 16:07:37 2025 +0100
+
+    Setup for JPA application
+
+commit 539e1a559ab7607b40651315e45ef50074c51b8c
+Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
+Date:   Sun Dec 14 12:52:36 2025 +0000
+
+    Bump org.mockito:mockito-junit-jupiter in the maven-deps group (#1)
+
+    Bumps the maven-deps group with 1 update: [org.mockito:mockito-junit-jupiter](https://github.com/mockito/mockito).
+
+
+    Updates `org.mockito:mockito-junit-jupiter` from 5.20.0 to 5.21.0
+    - [Release notes](https://github.com/mockito/mockito/releases)
+    - [Commits](https://github.com/mockito/mockito/compare/v5.20.0...v5.21.0)
+
+    ---
+    updated-dependencies:
+    - dependency-name: org.mockito:mockito-junit-jupiter
+      dependency-version: 5.21.0
+      dependency-type: direct:development
+      update-type: version-update:semver-minor
+      dependency-group: maven-deps
+    ...
+
+    Signed-off-by: dependabot[bot] <support@github.com>
+    Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
+
+commit c9a2be0c3d4286e6322bb017f66aa77bbaaa5a00
+Author: github-classroom[bot] <66690702+github-classroom[bot]@users.noreply.github.com>
+Date:   Sun Dec 14 12:51:33 2025 +0000
+
+    Initial commit

docker-compose.yaml

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+services:
+  mysql:
+    image: mysql:9.5.0
+    container_name: mysql
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: rootpassword
+      MYSQL_DATABASE: app_db
+      MYSQL_USER:
+      MYSQL_PASSWORD: PASSWORD
+    ports:
+      - "3306:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+volumes:
+  mysql_data:

src/main/java/org/example/entities/Booking.java

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+package org.example.entities;
+
+import jakarta.persistence.*;
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "booking")
+public class Booking {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "restaurant_id", nullable = false)
+    private Long restaurantId;
+
+    @Column(name = "customer_id", nullable = false)
+    private Long customerId;
+
+    @Column(name = "table_id", nullable = false)
+    private Long tableId;
+
+    @Column(name = "booking_start", nullable = false)
+    private LocalDateTime bookingStart;
+
+    @Column(name = "booking_end", nullable = false)
+    private LocalDateTime bookingEnd;
+
+    protected Booking() { }
+
+    public Booking(Long restaurantId, Long customerId, Long tableId,
+                   LocalDateTime bookingStart, LocalDateTime bookingEnd) {
+        this.restaurantId = restaurantId;
+        this.customerId = customerId;
+        this.tableId = tableId;
+        this.bookingStart = bookingStart;
+        this.bookingEnd = bookingEnd;
+    }
+
+    public Long getId() { return id; }
+    public Long getRestaurantId() { return restaurantId; }
+    public Long getCustomerId() { return customerId; }
+    public Long getTableId() { return tableId; }
+    public LocalDateTime getBookingStart() { return bookingStart; }
+    public LocalDateTime getBookingEnd() { return bookingEnd; }
+}

src/main/resources/META-INF/persistence.xml

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<persistence version="3.2"
+             xmlns="https://jakarta.ee/xml/ns/persistence"
+             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+             xsi:schemaLocation="https://jakarta.ee/xml/ns/persistence https://jakarta.ee/xml/ns/persistence/persistence_3_2.xsd">
+
+    <persistence-unit name="jpa-hibernate-mysql">
+
+        <!-- Entities -->
+        <class>org.example.entities.Booking</class>
+
+        <properties>
+            <!-- JDBC -->
+            <property name="jakarta.persistence.jdbc.driver" value="com.mysql.cj.jdbc.Driver"/>
+            <property name="jakarta.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/app_db"/>
+            <property name="jakarta.persistence.jdbc.user" value="root"/>
+            <property name="jakarta.persistence.jdbc.password" value="rootpassword"/>
+
+            <!-- Hibernate -->
+            <property name="hibernate.hbm2ddl.auto" value="update"/>
+            <property name="hibernate.show_sql" value="true"/>
+            <property name="hibernate.format_sql" value="true"/>
+        </properties>
+
+    </persistence-unit>
+</persistence>