How to use the Custom Naming Strategy In Spring MVC

After you have configured your custom naming strategy, you can use it in your Spring JPA entities. For example, if you have an entity named User and you want to store it in a schema named my_schema, you would annotate the entity as follows to set the name dynamically:

@Entity
@Table(name = "user", schema = "${schema}")
public class User {
    private Long id;
    private Stirng name;
}

The ${schema} expression will be replaced with the value of the SCHEMA_NAME environment variable at runtime.

• Error handling: Make sure to handle any errors that might occur when trying to determine the schema name, such as if an environment variable is not set.
• Performance: Dynamically setting the schema name can have a slight performance impact, as the schema name needs to be resolved for each entity operation. If performance is critical, you may want to consider using a different approach, such as using a separate data source for each schema.
• Security: If you are storing sensitive data in different schemas, you need to make sure that only authorized users have access to the data. This may require implementing additional security measures, such as using role-based access control (RBAC).

Spring JPA provides a convenient way to save Java objects to relational databases. However, it typically assumes that you have a single schema for your database. If you need to work with multiple schemas, you can use a custom naming strategy to set the schema name dynamically.