Computer scienceBackendSpring BootSpring Data

Pagination and sorting

Creating a custom method

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You have a table in a database based on the following class (the table's name and fields are the same):

Java

@Entity
public class Product {
    
    @Id
    @GeneratedValue
    private long id;
    private String model;
    private String type;
    private int price;

    // constructor, getters, setters
}

Kotlin

@Entity
data class Product(
    @Id
    @GeneratedValue
    val id: Long = 0,
    val model: String? = null,
    val type: String? = null,
    val price: Int = 0
)

You want to fetch the products of a certain model from the database and then page them. Which methods do you need to do it?

Java

Page<Product> findAll(String model, Pageable pageable);

Page<Product> findByModel(Pageable pageable, String model);

Page<Product> findByModel(String model, Pageable pageable);

List<Product> findByModel(String model, Pageable pageable);

Page<Product> findByModel(Pageable pageable);

Kotlin

fun findAll(model: String, pageable: Pageable): Page<Product>

fun findByModel(pageable: Pageable, model: String): Page<Product>

fun findByModel(model: String, pageable: Pageable): Page<Product>

fun findByModel(model: String, pageable: Pageable): List<Product>

fun findByModel(pageable: Pageable): Page<Product>

Select one or more options from the list

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