Setting up AbstractEntity

gildedgardenia · gildedgardenia · commit 85354791aea1 · 2023-08-23T11:14:47.000-05:00
diff --git a/src/main/java/org/launchcode/codingevents/models/AbstractEntity.java b/src/main/java/org/launchcode/codingevents/models/AbstractEntity.java
@@ -0,0 +1,33 @@
+package org.launchcode.codingevents.models;
+
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.MappedSuperclass;
+
+import java.util.Objects;
+
+@MappedSuperclass
+public abstract class AbstractEntity {
+
+    @Id
+    @GeneratedValue
+    private int id;
+
+    public int getId() {
+        return id;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        AbstractEntity entity = (AbstractEntity) o;
+        return id == entity.id;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
+
+}
diff --git a/src/main/java/org/launchcode/codingevents/models/Event.java b/src/main/java/org/launchcode/codingevents/models/Event.java
@@ -1,23 +1,15 @@
 package org.launchcode.codingevents.models;
 
 import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.Id;
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Size;
 
-import java.util.Objects;
-
 /**
  * Created by Chris Bay
  */
 @Entity
-public class Event {
-
-    @Id
-    @GeneratedValue
-    private int id;
+public class Event extends AbstractEntity  {
 
     @NotBlank(message = "Name is required")
     @Size(min = 3, max = 50, message = "Name must be between 3 and 50 characters")
@@ -73,25 +65,9 @@ public void setType(EventType type) {
         this.type = type;
     }
 
-    public int getId() {
-        return id;
-    }
-
     @Override
     public String toString() {
         return name;
     }
 
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-        Event event = (Event) o;
-        return id == event.id;
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id);
-    }
 }
diff --git a/src/main/java/org/launchcode/codingevents/models/EventCategory.java b/src/main/java/org/launchcode/codingevents/models/EventCategory.java
@@ -1,21 +1,13 @@
 package org.launchcode.codingevents.models;
 
 import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.Id;
 import jakarta.validation.constraints.Size;
 
-import java.util.Objects;
-
 /**
  * Created by Chris Bay
  */
 @Entity
-public class EventCategory {
-
-    @Id
-    @GeneratedValue
-    private int id;
+public class EventCategory extends AbstractEntity {
 
     @Size(min=3, message="Name must be at least 3 characters long")
     private String name;
@@ -34,26 +26,9 @@ public void setName(String name) {
         this.name = name;
     }
 
-    public int getId() {
-        return id;
-    }
-
     @Override
     public String toString() {
         return name;
     }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-        EventCategory that = (EventCategory) o;
-        return id == that.id;
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id);
-    }
 }
 
diff --git a/src/main/resources/templates/events/index.html b/src/main/resources/templates/events/index.html
@@ -1,9 +1,9 @@
 <!DOCTYPE html>
 <html lang="en" xmlns:th="http://www.thymeleaf.org/">
-<head th:replace="fragments :: head"></head>
+<head th:replace="~{fragments :: head}"></head>
 <body class="container">
 
-<header th:replace="fragments :: header"></header>
+<header th:replace="~{fragments :: header}"></header>
 
 <table class="table table-striped">
     <thead>
