Mongodb morphia (#7316)

* Adding source code for tutorial tracked by BAEL-2971 * Renaming Integration Test as par standard * Incorporated review comments on the article. * Moved the morphia module inside persistence-modules/java-mongodb * Deleted the module morphia.
2019-07-16 10:02:17 +05:30
parent 9572af2804
commit 9566b4d5e4
9 changed files with 47 additions and 98 deletions
--- a/persistence-modules/java-mongodb/src/test/java/com/baeldung/morphia/MorphiaIntegrationTest.java
+++ b/persistence-modules/java-mongodb/src/test/java/com/baeldung/morphia/MorphiaIntegrationTest.java
@@ -0,0 +1,131 @@
+package com.baeldung.morphia;
+
+import static dev.morphia.aggregation.Group.grouping;
+import static dev.morphia.aggregation.Group.push;
+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 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 dev.morphia.Datastore;
+import dev.morphia.Morphia;
+import dev.morphia.query.Query;
+import dev.morphia.query.UpdateOperations;
+
+@Ignore
+public class MorphiaIntegrationTest {
+
+    private static Datastore datastore;
+    private static ObjectId id = new ObjectId();
+
+    @BeforeClass
+    public static void setUp() {
+        Morphia morphia = new Morphia();
+        morphia.mapPackage("com.baeldung.morphia");
+        datastore = morphia.createDatastore(new MongoClient(), "library");
+        datastore.ensureIndexes();
+    }
+
+    @Test
+    public void givenDataSource_whenCreateEntity_thenEntityCreated() {
+        Publisher publisher = new Publisher(id, "Awsome Publisher");
+        Book book = new Book("9781565927186", "Learning Java", "Tom Kirkman", 3.95, publisher);
+        Book companionBook = new Book("9789332575103", "Java Performance Companion", "Tom Kirkman", 1.95, publisher);
+        book.addCompanionBooks(companionBook);
+        datastore.save(companionBook);
+        datastore.save(book);
+
+        List<Book> books = datastore.createQuery(Book.class)
+            .field("title")
+            .contains("Learning Java")
+            .find()
+            .toList();
+        assertEquals(1, books.size());
+        assertEquals(book, books.get(0));
+    }
+
+    @Test
+    public void givenDocument_whenUpdated_thenUpdateReflected() {
+        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());
+    }
+
+    @Test
+    public void givenDocument_whenDeleted_thenDeleteReflected() {
+        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());
+    }
+
+    @Test
+    public void givenDocument_whenAggregated_thenResultsCollected() {
+        Publisher publisher = new Publisher(id, "Awsome Publisher");
+        datastore.save(new Book("9781565927186", "Learning Java", "Tom Kirkman", 3.95, publisher));
+        datastore.save(new Book("9781449313142", "Learning Perl", "Mark Pence", 2.95, publisher));
+        datastore.save(new Book("9787564100476", "Learning Python", "Mark Pence", 5.95, publisher));
+        datastore.save(new Book("9781449368814", "Learning Scala", "Mark Pence", 6.95, publisher));
+        datastore.save(new Book("9781784392338", "Learning Go", "Jonathan Sawyer", 8.95, publisher));
+
+        Iterator<Author> authors = datastore.createAggregation(Book.class)
+            .group("author", grouping("books", push("title")))
+            .out(Author.class);
+
+        assertTrue(authors.hasNext());
+
+    }
+
+    @Test
+    public void givenDocument_whenProjected_thenOnlyProjectionReceived() {
+        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());
+    }
+
+}