Recent changes to Create an Entity

Create an Entity modified by Ralph

Ralph — Mon, 07 Mar 2016 06:28:58 -0000

--- v7
+++ v8
@@ -12,7 +12,7 @@
  */
 @Entity
 @Table(name = "PERSONEN")
-@NamedQueries({ @NamedQuery(name = "Person.getAll", query = "SELECT p FROM Person p ORDER BY p.suche"),
+@NamedQueries({ @NamedQuery(name = "Person.getAll", query = "SELECT p FROM Person p ORDER BY p.search"),
     @NamedQuery(name = "Person.getBySearch", query = "SELECT p FROM Person p WHERE p.suche LIKE :search ORDER BY p.search"),
     @NamedQuery(name = "Person.getUsers", query = "SELECT p FROM Person p WHERE p.dbUsername IS NOT NULL AND p.search LIKE :search ORDER BY p.search") })

Create an Entity modified by Ralph

Ralph — Mon, 07 Mar 2016 06:28:02 -0000

--- v6
+++ v7
@@ -1,3 +1,5 @@
+An entity represents an image of a database table to the Java program. An entity is under control of the persistence unit and fill be maintained by EclipseLink.
+
 Create a simple entity:

 ~~~~
@@ -11,8 +13,8 @@
 @Entity
 @Table(name = "PERSONEN")
 @NamedQueries({ @NamedQuery(name = "Person.getAll", query = "SELECT p FROM Person p ORDER BY p.suche"),
-    @NamedQuery(name = "Person.getBySuche", query = "SELECT p FROM Person p WHERE p.suche LIKE :suche ORDER BY p.suche"),
-    @NamedQuery(name = "Person.getUsers", query = "SELECT p FROM Person p WHERE p.dbBenutzername IS NOT NULL AND p.suche LIKE :suche ORDER BY p.suche") })
+    @NamedQuery(name = "Person.getBySearch", query = "SELECT p FROM Person p WHERE p.suche LIKE :search ORDER BY p.search"),
+    @NamedQuery(name = "Person.getUsers", query = "SELECT p FROM Person p WHERE p.dbUsername IS NOT NULL AND p.search LIKE :search ORDER BY p.search") })

 public class Person extends de.hoppe.fxDb.persistence.Entity
     implements Serializable, de.hoppe.fxDb.persistence.IEntity {

Create an Entity modified by Ralph

Ralph — Thu, 11 Feb 2016 17:03:18 -0000

--- v5
+++ v6
@@ -1,28 +1,30 @@
 Create a simple entity:

 ~~~~
-package com.tcs.model;
+package de.hoppe.extra.model;
+
 import ...

+/**
+ * The persistent class for the PERSONEN database table.
+ */
 @Entity
-@Table(name = "CONTRACT", schema = "xyz")
-@NamedQueries({ @NamedQuery(name = "ta.getAll", 
-      query = "select a from Contract a") 
-})
-public class Contract extends de.hoppe.fxDb.persistence.Entity {
-   @EmbeddedId
-   ContractPk contractPk;
-   @Column(name = "CARRIER_NAME")
-   String buNameCar;
+@Table(name = "PERSONEN")
+@NamedQueries({ @NamedQuery(name = "Person.getAll", query = "SELECT p FROM Person p ORDER BY p.suche"),
+    @NamedQuery(name = "Person.getBySuche", query = "SELECT p FROM Person p WHERE p.suche LIKE :suche ORDER BY p.suche"),
+    @NamedQuery(name = "Person.getUsers", query = "SELECT p FROM Person p WHERE p.dbBenutzername IS NOT NULL AND p.suche LIKE :suche ORDER BY p.suche") })

-   public String getBuNameCar() {
-       return buNameCar;
-   }
+public class Person extends de.hoppe.fxDb.persistence.Entity
+    implements Serializable, de.hoppe.fxDb.persistence.IEntity {

-   public void setBuNameCar(String buNameCar) {
-       this.buNameCar = buNameCar;
-   }
-}    
+  private static final long serialVersionUID = 1L;
+
+  @Id
+  @SequenceGenerator(name = "PERSONEN_ID_GENERATOR", sequenceName = "PERS_SEQ", allocationSize = 5)
+  @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "PERSONEN_ID_GENERATOR")
+  @Column(unique = true, nullable = false)
+  private Long id;
+
 ~~~~

 This entity is only a template. Please read the JPA and EclipseLink documentation how to create an entity.
@@ -30,7 +32,7 @@

 This entity is necessary to access objects from the database.
 An entity is not used to display values in a form or in a list of records.
-For this we introduce a new class named **View Object**.
+For this we introduce a new class type named **View Object**.

 -----

Create an Entity modified by Ralph

Ralph — Fri, 05 Feb 2016 11:25:10 -0000

Create the entities modified by Ralph

Ralph — Fri, 05 Feb 2016 11:11:51 -0000

--- v3
+++ v4
@@ -27,3 +27,11 @@

 This entity is only a template. Please read the JPA and EclipseLink documentation how to create an entity.
 The important part is to extend the **fxDb.persistence.Entity**.
+
+This entity is necessary to access objects from the database.
+An entity is not used to display values in a form or in a list of records.
+For this we introduce a new class named **View Object**.
+
+-----
+
+Next step is to [Create a View Object].

Create the entities modified by Ralph

Ralph — Fri, 05 Feb 2016 11:08:39 -0000

--- v2
+++ v3
@@ -9,7 +9,7 @@
 @NamedQueries({ @NamedQuery(name = "ta.getAll", 
       query = "select a from Contract a") 
 })
-public class Contract **extends de.hoppe.fxDb.persistence.Entity** {
+public class Contract extends de.hoppe.fxDb.persistence.Entity {
    @EmbeddedId
    ContractPk contractPk;
    @Column(name = "CARRIER_NAME")

Create the entities modified by Ralph

Ralph — Fri, 05 Feb 2016 11:08:10 -0000

--- v1
+++ v2
@@ -7,7 +7,7 @@
 @Entity
 @Table(name = "CONTRACT", schema = "xyz")
 @NamedQueries({ @NamedQuery(name = "ta.getAll", 
-      query = "select a from TransportAgreement a where a.tatCode='TP'") 
+      query = "select a from Contract a") 
 })
 public class Contract **extends de.hoppe.fxDb.persistence.Entity** {
    @EmbeddedId

Create the entities modified by Ralph

Ralph — Fri, 05 Feb 2016 11:07:27 -0000

Create a simple entity:

package com.tcs.model;
import ...

@Entity
@Table(name = "CONTRACT", schema = "xyz")
@NamedQueries({ @NamedQuery(name = "ta.getAll", 
      query = "select a from TransportAgreement a where a.tatCode='TP'") 
})
public class Contract **extends de.hoppe.fxDb.persistence.Entity** {
    @EmbeddedId
    ContractPk contractPk;
    @Column(name = "CARRIER_NAME")
    String buNameCar;

   public String getBuNameCar() {
        return buNameCar;
    }

    public void setBuNameCar(String buNameCar) {
        this.buNameCar = buNameCar;
    }
}

This entity is only a template. Please read the JPA and EclipseLink documentation how to create an entity.
The important part is to extend the fxDb.persistence.Entity.