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[BAEL-17317] - Check article code - https://www.baeldung.com/spring-data-jpa-pagination-sorting

This commit is contained in:
amit2103 2019-11-02 20:19:01 +05:30
parent d47ea19834
commit 916aae0d91
4 changed files with 30 additions and 30 deletions
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6
persistence-modules/spring-data-jpa/src/main/java/com/baeldung/multipledb/dao/product/ProductRepository.java
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@ -5,9 +5,9 @@ import java.util.List;
import org.springframework.data.domain.Pageable;
import org.springframework.data.repository.PagingAndSortingRepository;
import com.baeldung.multipledb.model.product.ProductMultipleDB;
import com.baeldung.multipledb.model.product.Product;
public interface ProductRepository extends PagingAndSortingRepository<ProductMultipleDB, Integer> {
public interface ProductRepository extends PagingAndSortingRepository<Product, Integer> {
List<ProductMultipleDB> findAllByPrice(double price, Pageable pageable);
List<Product> findAllByPrice(double price, Pageable pageable);
}

10
persistence-modules/spring-data-jpa/src/main/java/com/baeldung/multipledb/model/product/ProductMultipleDB.java → persistence-modules/spring-data-jpa/src/main/java/com/baeldung/multipledb/model/product/Product.java
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@ -6,7 +6,7 @@ import javax.persistence.Table;
@Entity
@Table(schema = "products")
public class ProductMultipleDB {
public class Product {
@Id
private int id;
@ -15,19 +15,19 @@ public class ProductMultipleDB {
private double price;
public ProductMultipleDB() {
public Product() {
super();
}
private ProductMultipleDB(int id, String name, double price) {
private Product(int id, String name, double price) {
super();
this.id = id;
this.name = name;
this.price = price;
}
public static ProductMultipleDB from(int id, String name, double price) {
return new ProductMultipleDB(id, name, price);
public static Product from(int id, String name, double price) {
return new Product(id, name, price);
}
public int getId() {

4
persistence-modules/spring-data-jpa/src/test/java/com/baeldung/multipledb/JpaMultipleDBIntegrationTest.java
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@ -19,7 +19,7 @@ import org.springframework.transaction.annotation.Transactional;
import com.baeldung.multipledb.dao.product.ProductRepository;
import com.baeldung.multipledb.dao.user.PossessionRepository;
import com.baeldung.multipledb.dao.user.UserRepository;
import com.baeldung.multipledb.model.product.ProductMultipleDB;
import com.baeldung.multipledb.model.product.Product;
import com.baeldung.multipledb.model.user.PossessionMultipleDB;
import com.baeldung.multipledb.model.user.UserMultipleDB;
@ -84,7 +84,7 @@ public class JpaMultipleDBIntegrationTest {
@Test
@Transactional("productTransactionManager")
public void whenCreatingProduct_thenCreated() {
ProductMultipleDB product = new ProductMultipleDB();
Product product = new Product();
product.setName("Book");
product.setId(2);
product.setPrice(20);

40
persistence-modules/spring-data-jpa/src/test/java/com/baeldung/multipledb/ProductRepositoryIntegrationTest.java
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@ -25,7 +25,7 @@ import org.springframework.transaction.annotation.Transactional;
import com.baeldung.multipledb.PersistenceProductConfiguration;
import com.baeldung.multipledb.dao.product.ProductRepository;
import com.baeldung.multipledb.model.product.ProductMultipleDB;
import com.baeldung.multipledb.model.product.Product;
@RunWith(SpringRunner.class)
@SpringBootTest(classes=MultipleDbApplication.class)
@ -38,22 +38,22 @@ public class ProductRepositoryIntegrationTest {
@Before
@Transactional("productTransactionManager")
public void setUp() {
productRepository.save(ProductMultipleDB.from(1001, "Book", 21));
productRepository.save(ProductMultipleDB.from(1002, "Coffee", 10));
productRepository.save(ProductMultipleDB.from(1003, "Jeans", 30));
productRepository.save(ProductMultipleDB.from(1004, "Shirt", 32));
productRepository.save(ProductMultipleDB.from(1005, "Bacon", 10));
productRepository.save(Product.from(1001, "Book", 21));
productRepository.save(Product.from(1002, "Coffee", 10));
productRepository.save(Product.from(1003, "Jeans", 30));
productRepository.save(Product.from(1004, "Shirt", 32));
productRepository.save(Product.from(1005, "Bacon", 10));
}
@Test
public void whenRequestingFirstPageOfSizeTwo_ThenReturnFirstPage() {
Pageable pageRequest = PageRequest.of(0, 2);
Page<ProductMultipleDB> result = productRepository.findAll(pageRequest);
Page<Product> result = productRepository.findAll(pageRequest);
assertThat(result.getContent(), hasSize(2));
assertTrue(result.stream()
.map(ProductMultipleDB::getId)
.map(Product::getId)
.allMatch(id -> Arrays.asList(1001, 1002)
.contains(id)));
}
@ -62,11 +62,11 @@ public class ProductRepositoryIntegrationTest {
public void whenRequestingSecondPageOfSizeTwo_ThenReturnSecondPage() {
Pageable pageRequest = PageRequest.of(1, 2);
Page<ProductMultipleDB> result = productRepository.findAll(pageRequest);
Page<Product> result = productRepository.findAll(pageRequest);
assertThat(result.getContent(), hasSize(2));
assertTrue(result.stream()
.map(ProductMultipleDB::getId)
.map(Product::getId)
.allMatch(id -> Arrays.asList(1003, 1004)
.contains(id)));
}
@ -75,11 +75,11 @@ public class ProductRepositoryIntegrationTest {
public void whenRequestingLastPage_ThenReturnLastPageWithRemData() {
Pageable pageRequest = PageRequest.of(2, 2);
Page<ProductMultipleDB> result = productRepository.findAll(pageRequest);
Page<Product> result = productRepository.findAll(pageRequest);
assertThat(result.getContent(), hasSize(1));
assertTrue(result.stream()
.map(ProductMultipleDB::getId)
.map(Product::getId)
.allMatch(id -> Arrays.asList(1005)
.contains(id)));
}
@ -88,12 +88,12 @@ public class ProductRepositoryIntegrationTest {
public void whenSortingByNameAscAndPaging_ThenReturnSortedPagedResult() {
Pageable pageRequest = PageRequest.of(0, 3, Sort.by("name"));
Page<ProductMultipleDB> result = productRepository.findAll(pageRequest);
Page<Product> result = productRepository.findAll(pageRequest);
assertThat(result.getContent(), hasSize(3));
assertThat(result.getContent()
.stream()
.map(ProductMultipleDB::getId)
.map(Product::getId)
.collect(Collectors.toList()), equalTo(Arrays.asList(1005, 1001, 1002)));
}
@ -103,12 +103,12 @@ public class ProductRepositoryIntegrationTest {
Pageable pageRequest = PageRequest.of(0, 3, Sort.by("price")
.descending());
Page<ProductMultipleDB> result = productRepository.findAll(pageRequest);
Page<Product> result = productRepository.findAll(pageRequest);
assertThat(result.getContent(), hasSize(3));
assertThat(result.getContent()
.stream()
.map(ProductMultipleDB::getId)
.map(Product::getId)
.collect(Collectors.toList()), equalTo(Arrays.asList(1004, 1003, 1001)));
}
@ -119,12 +119,12 @@ public class ProductRepositoryIntegrationTest {
.descending()
.and(Sort.by("name")));
Page<ProductMultipleDB> result = productRepository.findAll(pageRequest);
Page<Product> result = productRepository.findAll(pageRequest);
assertThat(result.getContent(), hasSize(5));
assertThat(result.getContent()
.stream()
.map(ProductMultipleDB::getId)
.map(Product::getId)
.collect(Collectors.toList()), equalTo(Arrays.asList(1004, 1003, 1001, 1005, 1002)));
}
@ -133,11 +133,11 @@ public class ProductRepositoryIntegrationTest {
public void whenRequestingFirstPageOfSizeTwoUsingCustomMethod_ThenReturnFirstPage() {
Pageable pageRequest = PageRequest.of(0, 2);
List<ProductMultipleDB> result = productRepository.findAllByPrice(10, pageRequest);
List<Product> result = productRepository.findAllByPrice(10, pageRequest);
assertThat(result, hasSize(2));
assertTrue(result.stream()
.map(ProductMultipleDB::getId)
.map(Product::getId)
.allMatch(id -> Arrays.asList(1002, 1005)
.contains(id)));
}