Explicit column name

Author: Rajeev Kumar Singh

hibernate-composite-primary-key-demo/src/main/java/com/example/hibernate/model/Employee.java

@@ -1,5 +1,8 @@
 package com.example.hibernate.model;
 
+import org.hibernate.annotations.NaturalId;
+
+import javax.persistence.Column;
 import javax.persistence.EmbeddedId;
 import javax.persistence.Entity;
 import javax.persistence.Table;
@@ -21,9 +24,11 @@ public class Employee {
 
     @NotNull
     @Size(max = 100)
+    @NaturalId
     private String email;
 
     @Size(max = 15)
+    @Column(name = "phone_number", unique = true)
     private String phoneNumber;
 
     public Employee() {

hibernate-many-to-many-demo/src/main/java/com/example/hibernate/model/Post.java

@@ -19,6 +19,7 @@ public class Post {
 
     @NotNull
     @Size(max = 100)
+    @Column(unique = true)
     private String title;
 
     @NotNull
@@ -31,10 +32,12 @@ public class Post {
 
     @NotNull
     @Temporal(TemporalType.TIMESTAMP)
+    @Column(name = "posted_at")
     private Date postedAt = new Date();
 
     @NotNull
     @Temporal(TemporalType.TIMESTAMP)
+    @Column(name = "last_updated_at")
     private Date lastUpdatedAt = new Date();
 
 

hibernate-many-to-many-demo/src/main/java/com/example/hibernate/model/Tag.java

@@ -1,5 +1,7 @@
 package com.example.hibernate.model;
 
+import org.hibernate.annotations.NaturalId;
+
 import javax.persistence.*;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
@@ -18,6 +20,7 @@ public class Tag {
 
     @NotNull
     @Size(max = 100)
+    @NaturalId
     private String name;
 
     @ManyToMany(fetch = FetchType.LAZY,

hibernate-one-to-many-demo/src/main/java/com/example/hibernate/model/Post.java

@@ -17,6 +17,7 @@ public class Post {
 
     @NotNull
     @Size(max = 100)
+    @Column(unique = true)
     private String title;
 
     @NotNull
@@ -29,10 +30,12 @@ public class Post {
 
     @NotNull
     @Temporal(TemporalType.TIMESTAMP)
+    @Column(name = "posted_at")
     private Date postedAt = new Date();
 
     @NotNull
     @Temporal(TemporalType.TIMESTAMP)
+    @Column(name = "last_updated_at")
     private Date lastUpdatedAt = new Date();
 
     @OneToMany(cascade = CascadeType.ALL,

hibernate-one-to-one-demo/src/main/java/com/example/hibernate/model/Driver.java

@@ -1,9 +1,9 @@
 package com.example.hibernate.model;
 
 import org.hibernate.validator.constraints.Email;
-import org.hibernate.validator.constraints.NotBlank;
 
 import javax.persistence.*;
+import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
 
 /**
@@ -16,17 +16,19 @@ public class Driver {
     @GeneratedValue(strategy = GenerationType.AUTO)
     private Long id;
 
-    @NotBlank
+    @NotNull
     @Size(max = 100)
     private String name;
 
-    @NotBlank
+    @NotNull
     @Email
     @Size(max = 100)
+    @Column(unique = true)
     private String email;
 
-    @NotBlank
+    @NotNull
     @Size(max = 15)
+    @Column(name = "phone_number", unique = true)
     private String phoneNumber;
 
     @OneToOne(fetch = FetchType.LAZY,

hibernate-one-to-one-demo/src/main/java/com/example/hibernate/model/DrivingLicense.java

@@ -1,7 +1,5 @@
 package com.example.hibernate.model;
 
-import org.hibernate.validator.constraints.NotBlank;
-
 import javax.persistence.*;
 import javax.validation.constraints.NotNull;
 import java.util.Date;
@@ -16,16 +14,18 @@ public class DrivingLicense {
     @GeneratedValue(strategy = GenerationType.AUTO)
     private Long id;
 
-    @NotBlank
-    @Column(unique = true)
+    @NotNull
+    @Column(name = "license_number", unique = true)
     private String licenseNumber;
 
     @NotNull
     @Temporal(TemporalType.DATE)
+    @Column(name = "issue_date")
     private Date issueDate;
 
     @NotNull
     @Temporal(TemporalType.DATE)
+    @Column(name = "expiry_date")
     private Date expiryDate;
 
     @OneToOne(fetch = FetchType.LAZY)