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JAVA-18264 Update article "A Guide to MongoDB with Java" (#13466)

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* JAVA-18264 Update article "A Guide to MongoDB with Java"

* JAVA-18264 Update with suggestion

* JAVA-18264 Additional updates

* JAVA-18264 Format pom.xml

---------

Co-authored-by: timis1 <noreplay@yahoo.com>
This commit is contained in:
timis1
2023-02-27 12:38:14 +02:00
committed by GitHub
parent 3ba82b5403
commit 57209b45d2
20 changed files with 222 additions and 224 deletions
Download Patch File Download Diff File Expand all files Collapse all files

85
persistence-modules/java-mongodb/src/test/java/com/baeldung/morphia/MorphiaIntegrationTest.java
View File

@@ -2,39 +2,44 @@ package com.baeldung.morphia;
import static dev.morphia.aggregation.Group.grouping;
import static dev.morphia.aggregation.Group.push;
import static dev.morphia.query.experimental.filters.Filters.eq;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import org.bson.types.ObjectId;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import com.baeldung.morphia.domain.Author;
import com.baeldung.morphia.domain.Book;
import com.baeldung.morphia.domain.Publisher;
import com.mongodb.MongoClient;
import com.mongodb.client.MongoClients;
import com.mongodb.client.model.ReturnDocument;
import dev.morphia.Datastore;
import dev.morphia.DeleteOptions;
import dev.morphia.ModifyOptions;
import dev.morphia.Morphia;
import dev.morphia.query.FindOptions;
import dev.morphia.query.Query;
import dev.morphia.query.UpdateOperations;
import dev.morphia.query.experimental.updates.UpdateOperators;
@Ignore
public class MorphiaIntegrationTest {
private static Datastore datastore;
private static ObjectId id = new ObjectId();
@BeforeClass
@BeforeClass
public static void setUp() {
Morphia morphia = new Morphia();
morphia.mapPackage("com.baeldung.morphia");
datastore = morphia.createDatastore(new MongoClient(), "library");
datastore = Morphia.createDatastore(MongoClients.create(), "library");
datastore.getMapper().mapPackage("com.baeldung.morphia");
datastore.ensureIndexes();
}
@@ -47,11 +52,11 @@ public class MorphiaIntegrationTest {
datastore.save(companionBook);
datastore.save(book);
List<Book> books = datastore.createQuery(Book.class)
.field("title")
.contains("Learning Java")
.find()
.toList();
Query<Book> booksQuery = datastore.find(Book.class)
.filter(eq("title", "Learning Java"));
List<Book> books = StreamSupport
.stream(booksQuery.spliterator(), true)
.collect(Collectors.toList());
assertEquals(1, books.size());
assertEquals(book, books.get(0));
}
@@ -61,19 +66,13 @@ public class MorphiaIntegrationTest {
Publisher publisher = new Publisher(id, "Awsome Publisher");
Book book = new Book("9781565927186", "Learning Java", "Tom Kirkman", 3.95, publisher);
datastore.save(book);
Query<Book> query = datastore.createQuery(Book.class)
.field("title")
.contains("Learning Java");
UpdateOperations<Book> updates = datastore.createUpdateOperations(Book.class)
.inc("price", 1);
datastore.update(query, updates);
List<Book> books = datastore.createQuery(Book.class)
.field("title")
.contains("Learning Java")
.find()
.toList();
assertEquals(4.95, books.get(0)
.getCost());
final Book execute = datastore.find(Book.class)
.filter(eq("title", "Learning Java"))
.modify(UpdateOperators.set("price", 4.95))
.execute(new ModifyOptions().returnDocument(ReturnDocument.AFTER));
assertEquals(4.95, execute.getCost());
}
@Test
@@ -81,16 +80,12 @@ public class MorphiaIntegrationTest {
Publisher publisher = new Publisher(id, "Awsome Publisher");
Book book = new Book("9781565927186", "Learning Java", "Tom Kirkman", 3.95, publisher);
datastore.save(book);
Query<Book> query = datastore.createQuery(Book.class)
.field("title")
.contains("Learning Java");
datastore.delete(query);
List<Book> books = datastore.createQuery(Book.class)
.field("title")
.contains("Learning Java")
.find()
.toList();
assertEquals(0, books.size());
datastore.find(Book.class)
.filter(eq("title", "Learning Java"))
.delete(new DeleteOptions().multi(true));
Query<Book> books = datastore.find(Book.class)
.filter(eq("title", "Learning Java"));
assertFalse(books.iterator().hasNext());
}
@Test
@@ -107,7 +102,6 @@ public class MorphiaIntegrationTest {
.out(Author.class);
assertTrue(authors.hasNext());
}
@Test
@@ -115,17 +109,12 @@ public class MorphiaIntegrationTest {
Publisher publisher = new Publisher(id, "Awsome Publisher");
Book book = new Book("9781565927186", "Learning Java", "Tom Kirkman", 3.95, publisher);
datastore.save(book);
List<Book> books = datastore.createQuery(Book.class)
.field("title")
.contains("Learning Java")
.project("title", true)
.find()
.toList();
assertEquals(books.size(), 1);
assertEquals("Learning Java", books.get(0)
.getTitle());
assertNull(books.get(0)
.getAuthor());
List<Book> books = datastore.find(Book.class)
.filter(eq("title", "Learning Java"))
.iterator(new FindOptions().projection().include("title")).toList();
assertEquals( 1, books.size());
assertEquals("Learning Java", books.get(0).getTitle());
assertNull(books.get(0).getAuthor());
}
}