fix: remove projection from old module (#12358)

persistence-modules/spring-data-mongodb/README.md

@@ -11,7 +11,6 @@
 - [Spring Data MongoDB: Projections and Aggregations](http://www.baeldung.com/spring-data-mongodb-projections-aggregations)
 - [Spring Data Annotations](http://www.baeldung.com/spring-data-annotations)
 - [Spring Data MongoDB Transactions](https://www.baeldung.com/spring-data-mongodb-transactions)
-- [Return Only Specific Fields for a Query in Spring Data MongoDB](https://www.baeldung.com/mongodb-return-specific-fields)
 
 ## Spring Data MongoDB Live Testing
 

persistence-modules/spring-data-mongodb/src/main/java/com/baeldung/projection/model/InStock.java

@@ -1,46 +0,0 @@
-package com.baeldung.projection.model;
-
-import java.util.Objects;
-
-public class InStock {
-
-    private String wareHouse;
-    private Integer quantity;
-
-    public InStock(String wareHouse, int quantity) {
-        this.wareHouse = wareHouse;
-        this.quantity = quantity;
-    }
-
-    public String getWareHouse() {
-        return wareHouse;
-    }
-
-    public void setWareHouse(String wareHouse) {
-        this.wareHouse = wareHouse;
-    }
-
-    public Integer getQuantity() {
-        return quantity;
-    }
-
-    public void setQuantity(Integer quantity) {
-        this.quantity = quantity;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o)
-            return true;
-        if (o == null || getClass() != o.getClass())
-            return false;
-        InStock inStock = (InStock) o;
-        return Objects.equals(wareHouse, inStock.wareHouse) && Objects.equals(quantity, inStock.quantity);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(wareHouse, quantity);
-    }
-
-}

persistence-modules/spring-data-mongodb/src/main/java/com/baeldung/projection/model/Inventory.java

@@ -1,71 +0,0 @@
-package com.baeldung.projection.model;
-
-import java.util.List;
-import java.util.Objects;
-
-import org.springframework.data.annotation.Id;
-import org.springframework.data.mongodb.core.mapping.Document;
-import org.springframework.data.mongodb.core.mapping.MongoId;
-
-@Document(collection = "inventory")
-public class Inventory {
-
-    @Id
-    private String id;
-    private String item;
-    private String status;
-    private Size size;
-    private List<InStock> inStock;
-
-    public String getId() {
-        return id;
-    }
-
-    public String getItem() {
-        return item;
-    }
-
-    public void setItem(String item) {
-        this.item = item;
-    }
-
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-
-    public Size getSize() {
-        return size;
-    }
-
-    public void setSize(Size size) {
-        this.size = size;
-    }
-
-    public List<InStock> getInStock() {
-        return inStock;
-    }
-
-    public void setInStock(List<InStock> inStock) {
-        this.inStock = inStock;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o)
-            return true;
-        if (o == null || getClass() != o.getClass())
-            return false;
-        Inventory inventory = (Inventory) o;
-        return Objects.equals(id, inventory.id) && Objects.equals(item, inventory.item) && Objects.equals(status, inventory.status);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, item, status);
-    }
-
-}

persistence-modules/spring-data-mongodb/src/main/java/com/baeldung/projection/model/Size.java

@@ -1,56 +0,0 @@
-package com.baeldung.projection.model;
-
-import java.util.Objects;
-
-public class Size {
-
-    private Double height;
-    private Double width;
-    private String uom;
-
-    public Size(Double height, Double width, String uom) {
-        this.height = height;
-        this.width = width;
-        this.uom = uom;
-    }
-
-    public Double getHeight() {
-        return height;
-    }
-
-    public void setHeight(Double height) {
-        this.height = height;
-    }
-
-    public Double getWidth() {
-        return width;
-    }
-
-    public void setWidth(Double width) {
-        this.width = width;
-    }
-
-    public String getUom() {
-        return uom;
-    }
-
-    public void setUom(String uom) {
-        this.uom = uom;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o)
-            return true;
-        if (o == null || getClass() != o.getClass())
-            return false;
-        Size size = (Size) o;
-        return Objects.equals(height, size.height) && Objects.equals(width, size.width) && Objects.equals(uom, size.uom);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(height, width, uom);
-    }
-
-}

persistence-modules/spring-data-mongodb/src/main/java/com/baeldung/projection/repository/InventoryRepository.java

@@ -1,33 +0,0 @@
-package com.baeldung.projection.repository;
-
-import java.util.List;
-
-import org.springframework.data.mongodb.repository.MongoRepository;
-import org.springframework.data.mongodb.repository.Query;
-
-import com.baeldung.projection.model.Inventory;
-
-public interface InventoryRepository extends MongoRepository<Inventory, String> {
-
-    @Query(value = "{ 'status' : ?0 }", fields = "{ 'item' : 1, 'status' : 1 }")
-    List<Inventory> findByStatusIncludeItemAndStatusFields(String status);
-
-    @Query(value = "{ 'status' : ?0 }", fields = "{ 'item' : 1, 'status' : 1, '_id' : 0 }")
-    List<Inventory> findByStatusIncludeItemAndStatusExcludeIdFields(String status);
-
-    @Query(value = "{ 'status' : ?0 }", fields = "{ 'status' : 0, 'inStock' : 0 }")
-    List<Inventory> findByStatusIncludeAllButStatusAndStockFields(String status);
-
-    @Query(value = "{ 'status' : ?0 }", fields = "{ 'item' : 1, 'status' : 1, 'size.uom': 1 }")
-    List<Inventory> findByStatusIncludeEmbeddedFields(String status);
-
-    @Query(value = "{ 'status' : ?0 }", fields = "{ 'size.uom': 0 }")
-    List<Inventory> findByStatusExcludeEmbeddedFields(String status);
-
-    @Query(value = "{ 'status' : ?0 }", fields = "{ 'item' : 1, 'status' : 1, 'inStock.quantity': 1 }")
-    List<Inventory> findByStatusIncludeEmbeddedFieldsInArray(String status);
-
-    @Query(value = "{ 'status' : ?0 }", fields = "{ 'item' : 1, 'status' : 1, 'inStock': { $slice: -1 } }")
-    List<Inventory> findByStatusIncludeEmbeddedFieldsLastElementInArray(String status);
-
-}

persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/projection/AbstractTestProjection.java

@@ -1,49 +0,0 @@
-package com.baeldung.projection;
-
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
-import com.baeldung.projection.model.InStock;
-import com.baeldung.projection.model.Inventory;
-import com.baeldung.projection.model.Size;
-
-abstract class AbstractTestProjection {
-
-    public List<Inventory> getInventories() {
-        Inventory journal = new Inventory();
-        journal.setItem("journal");
-        journal.setStatus("A");
-        journal.setSize(new Size(14.0, 21.0, "cm"));
-        journal.setInStock(Collections.singletonList(new InStock("A", 5)));
-
-        Inventory notebook = new Inventory();
-        notebook.setItem("notebook");
-        notebook.setStatus("A");
-        notebook.setSize(new Size(8.5, 11.0, "in"));
-        notebook.setInStock(Collections.singletonList(new InStock("C", 5)));
-
-        Inventory paper = new Inventory();
-        paper.setItem("paper");
-        paper.setStatus("D");
-        paper.setSize(new Size(8.5, 11.0, "in"));
-        paper.setInStock(Collections.singletonList(new InStock("A", 60)));
-
-        return Arrays.asList(journal, notebook, paper);
-    }
-
-    abstract void whenIncludeFields_thenOnlyIncludedFieldsAreNotNull();
-
-    abstract void whenIncludeFieldsAndExcludeOtherFields_thenOnlyExcludedFieldsAreNull();
-
-    abstract void whenIncludeAllButExcludeSomeFields_thenOnlyExcludedFieldsAreNull();
-
-    abstract void whenIncludeEmbeddedFields_thenEmbeddedFieldsAreNotNull();
-
-    abstract void whenExcludeEmbeddedFields_thenEmbeddedFieldsAreNull();
-
-    abstract void whenIncludeEmbeddedFieldsInArray_thenEmbeddedFieldsInArrayAreNotNull();
-
-    abstract void whenIncludeEmbeddedFieldsSliceInArray_thenArrayLengthEqualToSlice();
-
-}

persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/projection/MongoTemplateProjectionUnitTest.java

@@ -1,223 +0,0 @@
-package com.baeldung.projection;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertNull;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import java.util.Arrays;
-import java.util.List;
-
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.mongodb.core.MongoTemplate;
-import org.springframework.data.mongodb.core.query.Query;
-import org.springframework.test.context.ContextConfiguration;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
-
-import com.baeldung.projection.config.ProjectionConfig;
-import com.baeldung.projection.model.InStock;
-import com.baeldung.projection.model.Inventory;
-import com.baeldung.projection.model.Size;
-
-@ExtendWith(SpringExtension.class)
-@ContextConfiguration(classes = ProjectionConfig.class)
-public class MongoTemplateProjectionUnitTest extends AbstractTestProjection {
-
-    @Autowired
-    private MongoTemplate mongoTemplate;
-
-    @BeforeEach
-    void setup() {
-        List<Inventory> inventoryList = getInventories();
-
-        mongoTemplate.insert(inventoryList, Inventory.class);
-    }
-
-    @Test
-    void whenIncludeFields_thenOnlyIncludedFieldsAreNotNull() {
-        Query query = new Query();
-        query.fields()
-          .include("item")
-          .include("status");
-
-        List<Inventory> inventoryList = mongoTemplate.find(query, Inventory.class);
-
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getId());
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNull(i.getSize());
-            assertNull(i.getInStock());
-        });
-    }
-
-    @Test
-    void whenIncludeFieldsAndExcludeOtherFields_thenOnlyExcludedFieldsAreNull() {
-        Query query = new Query();
-        query.fields()
-          .include("item")
-          .include("status")
-          .exclude("_id");
-
-        List<Inventory> inventoryList = mongoTemplate.find(query, Inventory.class);
-
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNull(i.getId());
-            assertNull(i.getSize());
-            assertNull(i.getInStock());
-        });
-    }
-
-    @Test
-    void whenIncludeAllButExcludeSomeFields_thenOnlyExcludedFieldsAreNull() {
-        Query query = new Query();
-        query.fields()
-          .exclude("status")
-          .exclude("inStock");
-
-        List<Inventory> inventoryList = mongoTemplate.find(query, Inventory.class);
-
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getId());
-            assertNotNull(i.getSize());
-            assertNull(i.getInStock());
-            assertNull(i.getStatus());
-        });
-    }
-
-    @Test
-    void whenIncludeEmbeddedFields_thenEmbeddedFieldsAreNotNull() {
-        Query query = new Query();
-        query.fields()
-          .include("item")
-          .include("status")
-          .include("size.uom");
-
-        List<Inventory> inventoryList = mongoTemplate.find(query, Inventory.class);
-
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNotNull(i.getId());
-            assertNotNull(i.getSize());
-            assertNotNull(i.getSize()
-              .getUom());
-            assertNull(i.getSize()
-              .getHeight());
-            assertNull(i.getSize()
-              .getWidth());
-            assertNull(i.getInStock());
-        });
-    }
-
-    @Test
-    void whenExcludeEmbeddedFields_thenEmbeddedFieldsAreNull() {
-        Query query = new Query();
-        query.fields()
-          .exclude("size.uom");
-
-        List<Inventory> inventoryList = mongoTemplate.find(query, Inventory.class);
-
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNotNull(i.getId());
-            assertNotNull(i.getSize());
-            assertNull(i.getSize()
-              .getUom());
-            assertNotNull(i.getSize()
-              .getHeight());
-            assertNotNull(i.getSize()
-              .getWidth());
-            assertNotNull(i.getInStock());
-        });
-    }
-
-    @Test
-    void whenIncludeEmbeddedFieldsInArray_thenEmbeddedFieldsInArrayAreNotNull() {
-        Query query = new Query();
-        query.fields()
-          .include("item")
-          .include("status")
-          .include("inStock.quantity");
-
-        List<Inventory> inventoryList = mongoTemplate.find(query, Inventory.class);
-
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNotNull(i.getId());
-            assertNotNull(i.getInStock());
-            i.getInStock()
-              .forEach(stock -> {
-                  assertNull(stock.getWareHouse());
-                  assertNotNull(stock.getQuantity());
-              });
-            assertNull(i.getSize());
-        });
-    }
-
-    @Test
-    void whenIncludeEmbeddedFieldsSliceInArray_thenArrayLengthEqualToSlice() {
-        Inventory postcard = new Inventory();
-        postcard.setItem("postcard");
-        postcard.setStatus("A");
-        postcard.setSize(new Size(10.0, 15.25, "cm"));
-
-        InStock firstInStock = new InStock("B", 15);
-        InStock lastInStock = new InStock("C", 35);
-
-        postcard.setInStock(Arrays.asList(firstInStock, lastInStock));
-
-        mongoTemplate.save(postcard);
-
-        Query query = new Query();
-        query.fields()
-          .include("item")
-          .include("status")
-          .slice("inStock", -1);
-
-        List<Inventory> inventoryList = mongoTemplate.find(query, Inventory.class);
-
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNotNull(i.getId());
-            assertNotNull(i.getInStock());
-            assertEquals(1, i.getInStock()
-              .size());
-            assertNull(i.getSize());
-        });
-
-        InStock stock = inventoryList.stream()
-          .filter(i -> i.getItem()
-            .equals("postcard"))
-          .map(i -> i.getInStock()
-            .get(0))
-          .findFirst()
-          .orElse(null);
-
-        assertEquals(lastInStock, stock);
-    }
-
-}

persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/projection/RepositoryProjectionUnitTest.java

@@ -1,177 +0,0 @@
-package com.baeldung.projection;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertNull;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import java.util.Arrays;
-import java.util.List;
-
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.test.context.ContextConfiguration;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
-
-import com.baeldung.projection.config.ProjectionConfig;
-import com.baeldung.projection.model.InStock;
-import com.baeldung.projection.model.Inventory;
-import com.baeldung.projection.model.Size;
-import com.baeldung.projection.repository.InventoryRepository;
-
-@ExtendWith(SpringExtension.class)
-@ContextConfiguration(classes = ProjectionConfig.class)
-public class RepositoryProjectionUnitTest extends AbstractTestProjection {
-
-    @Autowired
-    private InventoryRepository inventoryRepository;
-
-    @BeforeEach
-    void setup() {
-        List<Inventory> inventoryList = getInventories();
-
-        inventoryRepository.saveAll(inventoryList);
-    }
-
-    @Test
-    void whenIncludeFields_thenOnlyIncludedFieldsAreNotNull() {
-        List<Inventory> inventoryList = inventoryRepository.findByStatusIncludeItemAndStatusFields("A");
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getId());
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNull(i.getSize());
-            assertNull(i.getInStock());
-        });
-    }
-
-    @Test
-    void whenIncludeFieldsAndExcludeOtherFields_thenOnlyExcludedFieldsAreNull() {
-        List<Inventory> inventoryList = inventoryRepository.findByStatusIncludeItemAndStatusExcludeIdFields("A");
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNull(i.getId());
-            assertNull(i.getSize());
-            assertNull(i.getInStock());
-        });
-    }
-
-    @Test
-    void whenIncludeAllButExcludeSomeFields_thenOnlyExcludedFieldsAreNull() {
-        List<Inventory> inventoryList = inventoryRepository.findByStatusIncludeAllButStatusAndStockFields("A");
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getId());
-            assertNotNull(i.getSize());
-            assertNull(i.getInStock());
-            assertNull(i.getStatus());
-        });
-    }
-
-    @Test
-    void whenIncludeEmbeddedFields_thenEmbeddedFieldsAreNotNull() {
-        List<Inventory> inventoryList = inventoryRepository.findByStatusIncludeEmbeddedFields("A");
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNotNull(i.getId());
-            assertNotNull(i.getSize());
-            assertNotNull(i.getSize()
-              .getUom());
-            assertNull(i.getSize()
-              .getHeight());
-            assertNull(i.getSize()
-              .getWidth());
-            assertNull(i.getInStock());
-        });
-    }
-
-    @Test
-    void whenExcludeEmbeddedFields_thenEmbeddedFieldsAreNull() {
-        List<Inventory> inventoryList = inventoryRepository.findByStatusExcludeEmbeddedFields("A");
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNotNull(i.getId());
-            assertNotNull(i.getSize());
-            assertNull(i.getSize()
-              .getUom());
-            assertNotNull(i.getSize()
-              .getHeight());
-            assertNotNull(i.getSize()
-              .getWidth());
-            assertNotNull(i.getInStock());
-        });
-    }
-
-    @Test
-    void whenIncludeEmbeddedFieldsInArray_thenEmbeddedFieldsInArrayAreNotNull() {
-        List<Inventory> inventoryList = inventoryRepository.findByStatusIncludeEmbeddedFieldsInArray("A");
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNotNull(i.getId());
-            assertNotNull(i.getInStock());
-            i.getInStock()
-              .forEach(stock -> {
-                  assertNull(stock.getWareHouse());
-                  assertNotNull(stock.getQuantity());
-              });
-            assertNull(i.getSize());
-        });
-    }
-
-    @Test
-    void whenIncludeEmbeddedFieldsSliceInArray_thenArrayLengthEqualToSlice() {
-        Inventory postcard = new Inventory();
-        postcard.setItem("postcard");
-        postcard.setStatus("A");
-        postcard.setSize(new Size(10.0, 15.25, "cm"));
-
-        InStock firstInStock = new InStock("B", 15);
-        InStock lastInStock = new InStock("C", 35);
-
-        postcard.setInStock(Arrays.asList(firstInStock, lastInStock));
-
-        inventoryRepository.save(postcard);
-
-        List<Inventory> inventoryList = inventoryRepository.findByStatusIncludeEmbeddedFieldsLastElementInArray("A");
-        assertTrue(inventoryList.size() > 0);
-
-        inventoryList.forEach(i -> {
-            assertNotNull(i.getItem());
-            assertNotNull(i.getStatus());
-            assertNotNull(i.getId());
-            assertNotNull(i.getInStock());
-            assertEquals(1, i.getInStock()
-              .size());
-            assertNull(i.getSize());
-        });
-
-        InStock stock = inventoryList.stream()
-          .filter(i -> i.getItem()
-            .equals("postcard"))
-          .map(i -> i.getInStock()
-            .get(0))
-          .findFirst()
-          .orElse(null);
-
-        assertEquals(lastInStock, stock);
-    }
-
-}

persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/projection/config/ProjectionConfig.java

@@ -1,43 +0,0 @@
-package com.baeldung.projection.config;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.data.mongodb.core.MongoTemplate;
-import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
-import org.springframework.util.SocketUtils;
-
-import com.mongodb.client.MongoClients;
-
-import de.flapdoodle.embed.mongo.MongodExecutable;
-import de.flapdoodle.embed.mongo.MongodStarter;
-import de.flapdoodle.embed.mongo.config.ImmutableMongodConfig;
-import de.flapdoodle.embed.mongo.config.MongodConfig;
-import de.flapdoodle.embed.mongo.config.Net;
-import de.flapdoodle.embed.mongo.distribution.Version;
-import de.flapdoodle.embed.process.runtime.Network;
-
-@Configuration
-@ComponentScan(basePackages = "com.baeldung.projection")
-@EnableMongoRepositories(basePackages = "com.baeldung.projection.repository")
-public class ProjectionConfig {
-
-    private static final String CONNECTION_STRING = "mongodb://%s:%d";
-    private static final String HOST = "localhost";
-
-    @Bean
-    public MongoTemplate mongoTemplate() throws Exception {
-        int randomPort = SocketUtils.findAvailableTcpPort();
-
-        ImmutableMongodConfig mongoDbConfig = MongodConfig.builder()
-          .version(Version.Main.PRODUCTION)
-          .net(new Net(HOST, randomPort, Network.localhostIsIPv6()))
-          .build();
-
-        MongodStarter starter = MongodStarter.getDefaultInstance();
-        MongodExecutable mongodExecutable = starter.prepare(mongoDbConfig);
-        mongodExecutable.start();
-
-        return new MongoTemplate(MongoClients.create(String.format(CONNECTION_STRING, HOST, randomPort)), "mongo_auth");
-    }
-}