Create App.java

libraries-data/ebean/src/main/java/com/baeldung/ebean/app/App.java

@@ -0,0 +1,75 @@
+package com.baeldung.ebean.app;
+
+import java.util.Arrays;
+
+import com.baeldung.ebean.model.Address;
+import com.baeldung.ebean.model.Customer;
+
+import io.ebean.Ebean;
+import io.ebean.EbeanServer;
+import io.ebean.annotation.Transactional;
+
+public class App {
+
+    public static void main(String[] args) {
+        insertAndDeleteInsideTransaction();
+        crudOperations();
+        queryCustomers();
+    }
+
+    @Transactional
+    public static void insertAndDeleteInsideTransaction() {
+
+        Customer c1 = getCustomer();
+        EbeanServer server = Ebean.getDefaultServer();
+        server.save(c1);
+        Customer foundC1 = server.find(Customer.class, c1.getId());
+        server.delete(foundC1);
+    }
+
+    public static void crudOperations() {
+
+        Address a1 = new Address("5, Wide Street", null, "New York");
+        Customer c1 = new Customer("John Wide", a1);
+
+        EbeanServer server = Ebean.getDefaultServer();
+        server.save(c1);
+
+        c1.setName("Jane Wide");
+        c1.setAddress(null);
+        server.save(c1);
+
+        Customer foundC1 = Ebean.find(Customer.class, c1.getId());
+
+        Ebean.delete(foundC1);
+    }
+
+    public static void queryCustomers() {
+        Address a1 = new Address("1, Big Street", null, "New York");
+        Customer c1 = new Customer("Big John", a1);
+
+        Address a2 = new Address("2, Big Street", null, "New York");
+        Customer c2 = new Customer("Big John", a2);
+
+        Address a3 = new Address("3, Big Street", null, "San Jose");
+        Customer c3 = new Customer("Big Bob", a3);
+
+        Ebean.saveAll(Arrays.asList(c1, c2, c3));
+
+        Customer customer = Ebean.find(Customer.class)
+            .select("name")
+            .fetch("address", "city")
+            .where()
+            .eq("city", "San Jose")
+            .findOne();
+
+        Ebean.deleteAll(Arrays.asList(c1, c2, c3));
+    }
+
+    private static Customer getCustomer() {
+        Address a1 = new Address("1, Big Street", null, "New York");
+        Customer c1 = new Customer("Big John", a1);
+        return c1;
+    }
+
+}