How to use Enum in the Entity?-CodePudding

Recently in the "Spring of actual combat", see chapter 3, using JPA,
In the class definition using the @ the Entity annotation can be automatically according to the attributes of a class to create the corresponding table, and can easily read and write database,
I use Database dependency is H2 Database,
I want to use a custom Enum as Entity class attribute, but in the discovery database console class Enum field in the database in the corresponding field is of type INT, if I am to write data in the database is a String type, because of the type String cannot be converted to INT, write failure,
I hope I can write to the database Enum name corresponding type String data, rather than an INT type data, how to do?
Below is a code,
Ingredient. Java

 package tacos. 
The import javax.mail. Persistence. The Entity; 
The import lombok. AccessLevel; 
The import lombok. Data; 
The import lombok. NoArgsConstructor; 
The import lombok. RequiredArgsConstructor; 

@ Data 
@ RequiredArgsConstructor 
@ NoArgsConstructor (access=AccessLevel. PRIVATE force=true) 
@ the Entity 
Public class Ingredient {
Private final Type Type; 

Public static enum Type {
WRAP, PROTEIN, VEGGIES, CHEESE, SAUCE 
} 
}

IngredientRepository. Java

 package tacos. Data; 
The import org. Springframework. Data. The repository. CrudRepository; 
The import org. Springframework. Data. The repository. NoRepositoryBean; 
The import tacos. Ingredient; 

@ NoRepositoryBean 
Public interface IngredientRepository 
Extends CrudRepository {
Iterable The.findall (); 

@ SuppressWarnings (" unchecked ") 
Ingredient save (Ingredient Ingredient); 
}

JdbcIngredientRepository. Java

 package tacos. Data; 
Import the Java. SQL. The ResultSet; 
Import the Java. SQL. SQLException; 
Import the Java. Util. Optional; 
import org.springframework.beans.factory.annotation.Autowired; 
The import org. Springframework. JDBC. Core. JdbcTemplate; 
The import org. Springframework. Stereotype. The Repository; 
The import tacos. Ingredient; 
The import tacos. Err. UnImplementError; 

@ Repository 
Public class JdbcIngredientRepository implements IngredientRepository {
Private JdbcTemplate JDBC. 

The @autowired 
Public JdbcIngredientRepository (JdbcTemplate JDBC) {
Enclosing the JDBC=JDBC; 
} 

@ Override 
Public Iterable The.findall () {
Return the JDBC. Query (" select id, name, type the from Ingredient ", 
This: : mapRowToIngredient); 
} 

@ SuppressWarnings (" unchecked ") 
@ Override 
Public Ingredient save (Ingredient Ingredient) {
JDBC. Update (" insert into Ingredient (id, name, type) values (?,?,?,?,? ,? ,?) "
Ingredient. GetId (), 
Ingredient. The getName (), 
Ingredient. GetType (). The toString ()); 
Return ingredient; 
} 

Private Ingredient mapRowToIngredient (ResultSet rs, int rowNum) 
Throws SQLException {
The return of new Ingredient (
Rs. Get string (" id "), 
Rs. Get string (" name "), 
Ingredient. Type. The valueOf (rs. Get string (" Type ")) 
); 
} 

@ Override 
The public & lt; S extends Ingredient> Iterable SaveAll (Iterable Entities) {
Throw new UnImplementError (); 
} 

@ Override 
Public Optional FindById (String id) {
Throw new UnImplementError (); 
} 

@ Override 
Public Boolean existsById (String id) {
Throw new UnImplementError (); 
} 

@ Override 
Public Iterable FindAllById (Iterable Ids) {
Throw new UnImplementError (); 
} 

@ Override 
Public long count () {
Throw new UnImplementError (); 
} 

@ Override 
Public void deleteById (String id) {
Throw new UnImplementError (); 
} 

@ Override 
Public void the delete (Ingredient entity) {
Throw new UnImplementError (); 
} 

@ Override 
Public void deleteAll (Iterable<? Extends Ingredient> Entities) {
Throw new UnImplementError (); 
} 

@ Override 
Public void deleteAll () {
Throw new UnImplementError (); 
} 
}

-- -- -- -- -- -- -- -- -- -- - update: the problem is resolved, -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
We can use @ Column annotation Ingredient type field, the value of the annotation of columnDefinition can write this field in the database data definition of the corresponding field (DDL), here is the Ingredient. Java the modified part,
package tacos.

The import javax.mail. Persistence. The Column;

@ the Entity
Public class Ingredient {
@ the Column (columnDefinition="varchar (255) not null")
Private final Type Type;
}