Examples with CollectionReference com.google.cloud.firestore.CollectionReference used on opensource projects

Example 31 with CollectionReference

use of com.google.cloud.firestore.CollectionReference in project java-docs-samples by GoogleCloudPlatform.

the class RetrieveDataSnippetsIT method testGetSubcollections.

@Test
public void testGetSubcollections() throws Exception {
    // Add a landmark subcollection
    Map<String, String> data = new HashMap<>();
    data.put("foo", "bar");
    db.document("cities/SF/landmarks/example").set(data).get();
    Iterable<CollectionReference> collections = retrieveDataSnippets.getCollections();
    List<CollectionReference> collectionList = new ArrayList<>();
    for (CollectionReference collRef : collections) {
        collectionList.add(collRef);
    }
    assertEquals(collectionList.size(), 1);
    assertEquals(collectionList.get(0).getId(), "landmarks");
}

Example 32 with CollectionReference

use of com.google.cloud.firestore.CollectionReference in project startup-os by google.

the class FirestoreProtoClient method getCollectionReference.

private CollectionReference getCollectionReference(String[] parts, int length) {
    DocumentReference docRef;
    CollectionReference collectionRef = client.collection(parts[0]);
    for (int i = 1; i < length; i += 2) {
        docRef = collectionRef.document(parts[i]);
        collectionRef = docRef.collection(parts[i + 1]);
    }
    return collectionRef;
}

Example 33 with CollectionReference

use of com.google.cloud.firestore.CollectionReference in project getting-started-java by GoogleCloudPlatform.

the class TranslateServlet method doGet.

// [START getting_started_background_app_list]
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    Firestore firestore = (Firestore) this.getServletContext().getAttribute("firestore");
    CollectionReference translations = firestore.collection("translations");
    QuerySnapshot snapshot;
    try {
        snapshot = translations.limit(10).get().get();
    } catch (InterruptedException | ExecutionException e) {
        throw new ServletException("Exception retrieving documents from Firestore.", e);
    }
    List<TranslateMessage> translateMessages = Lists.newArrayList();
    List<QueryDocumentSnapshot> documents = Lists.newArrayList(snapshot.getDocuments());
    documents.sort(Comparator.comparing(DocumentSnapshot::getCreateTime));
    for (DocumentSnapshot document : Lists.reverse(documents)) {
        String encoded = gson.toJson(document.getData());
        TranslateMessage message = gson.fromJson(encoded, TranslateMessage.class);
        message.setData(decode(message.getData()));
        translateMessages.add(message);
    }
    req.setAttribute("messages", translateMessages);
    req.setAttribute("page", "list");
    req.getRequestDispatcher("/base.jsp").forward(req, resp);
}

Example 34 with CollectionReference

use of com.google.cloud.firestore.CollectionReference in project spring-cloud-gcp by GoogleCloudPlatform.

the class FirestoreSampleApp method removeDocuments.

private void removeDocuments() {
    // Warning: Deleting a document does not delete its subcollections!
    // 
    // If you want to delete documents in subcollections when deleting a document, you must do so
    // manually.
    // See https://firebase.google.com/docs/firestore/manage-data/delete-data#collections
    CollectionReference users = this.firestore.collection("users");
    Iterable<DocumentReference> documentReferences = users.listDocuments();
    documentReferences.forEach(documentReference -> {
        System.out.println("removing: " + documentReference.getId());
        try {
            documentReference.delete().get();
        } catch (InterruptedException | ExecutionException e) {
            e.printStackTrace();
        }
    });
}

Example 35 with CollectionReference

use of com.google.cloud.firestore.CollectionReference in project spring-cloud-gcp by GoogleCloudPlatform.

the class FirestoreSampleApplicationNativeIntegrationTests method verifyUserPersisted.

private void verifyUserPersisted(User user) throws InterruptedException, ExecutionException {
    CollectionReference users = firestore.collection("users");
    DocumentReference docRef = users.document(user.getName());
    Map<String, Object> storedDoc = docRef.get().get().getData();
    assertThat(storedDoc).isNotNull().containsEntry("age", (long) user.getAge());
    List<Map<String, Object>> petsMapList = new ObjectMapper().convertValue(user.getPets(), new TypeReference<List<Map<String, Object>>>() {
    });
    assertThat(storedDoc.get("pets")).isNotNull().asList().hasSize(user.getPets().size()).containsAll(petsMapList);
}