com.google.firebase.firestore.CollectionReference Java Examples
The following examples show how to use
com.google.firebase.firestore.CollectionReference.
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Example #1
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 6 votes |
public void orderAndLimit() { CollectionReference citiesRef = db.collection("cities"); // [START order_and_limit] citiesRef.orderBy("name").limit(3); // [END order_and_limit] // [START order_and_limit_desc] citiesRef.orderBy("name", Direction.DESCENDING).limit(3); // [END order_and_limit_desc] // [START order_by_multiple] citiesRef.orderBy("state").orderBy("population", Direction.DESCENDING); // [END order_by_multiple] // [START filter_and_order] citiesRef.whereGreaterThan("population", 100000).orderBy("population").limit(2); // [END filter_and_order] // [START valid_filter_and_order] citiesRef.whereGreaterThan("population", 100000).orderBy("population"); // [END valid_filter_and_order] }
Example #2
Source File: ConversationManagerTest.java From NaviBee with GNU General Public License v3.0 | 6 votes |
@Test public void testDeleteFriend() { String cid = "conversation"; // create mocks mCollection = mock(CollectionReference.class); mDocument = mock(DocumentReference.class); // configure mock expected interaction when(mFirebaseFirestore.collection("conversations")).thenReturn(mCollection); when(mCollection.document(cid)).thenReturn(mDocument); when(mDocument.update("isDeleted", true)).thenReturn(null); mFirebaseFirestore.collection("conversations").document(cid).update("isDeleted", true); // check if mock had expected interaction verify(mFirebaseFirestore, times(1)).collection("conversations"); verify(mCollection, times(1)).document(cid); verify(mDocument, times(1)).update("isDeleted", true); }
Example #3
Source File: LeaderboardRepository.java From triviums with MIT License | 6 votes |
private void fetchUsers(UserCallback callback){ CollectionReference collection = firestore.collection("users"); collection.get().addOnCompleteListener(task -> { if (task.isSuccessful()) { document = task.getResult().getDocuments(); } try { callback.onCallback(document); } catch (Exception e) { if (e instanceof FirebaseFirestoreException) { } e.printStackTrace(); } }) .addOnFailureListener(error -> { }); }
Example #4
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 6 votes |
public void simpleQueries() { // [START simple_queries] // Create a reference to the cities collection CollectionReference citiesRef = db.collection("cities"); // Create a query against the collection. Query query = citiesRef.whereEqualTo("state", "CA"); // [END simple_queries] // [START simple_query_capital] Query capitalCities = db.collection("cities").whereEqualTo("capital", true); // [END simple_query_capital] // [START example_filters] citiesRef.whereEqualTo("state", "CA"); citiesRef.whereLessThan("population", 100000); citiesRef.whereGreaterThanOrEqualTo("name", "San Francisco"); // [END example_filters] }
Example #5
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 5 votes |
/** * Delete all documents in a collection. Uses an Executor to perform work on a background * thread. This does *not* automatically discover and delete subcollections. */ private Task<Void> deleteCollection(final CollectionReference collection, final int batchSize, Executor executor) { // Perform the delete operation on the provided Executor, which allows us to use // simpler synchronous logic without blocking the main thread. return Tasks.call(executor, new Callable<Void>() { @Override public Void call() throws Exception { // Get the first batch of documents in the collection Query query = collection.orderBy(FieldPath.documentId()).limit(batchSize); // Get a list of deleted documents List<DocumentSnapshot> deleted = deleteQueryBatch(query); // While the deleted documents in the last batch indicate that there // may still be more documents in the collection, page down to the // next batch and delete again while (deleted.size() >= batchSize) { // Move the query cursor to start after the last doc in the batch DocumentSnapshot last = deleted.get(deleted.size() - 1); query = collection.orderBy(FieldPath.documentId()) .startAfter(last.getId()) .limit(batchSize); deleted = deleteQueryBatch(query); } return null; } }); }
Example #6
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 5 votes |
public void orderAndLimitInvalid() { CollectionReference citiesRef = db.collection("cities"); // [START invalid_filter_and_order] citiesRef.whereGreaterThan("population", 100000).orderBy("country"); // [END invalid_filter_and_order] }
Example #7
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 5 votes |
public void compoundQueriesInvalid() { CollectionReference citiesRef = db.collection("cities"); // [START invalid_range_filters] citiesRef.whereGreaterThanOrEqualTo("state", "CA").whereGreaterThan("population", 100000); // [END invalid_range_filters] }
Example #8
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 5 votes |
public void compoundQueries() { CollectionReference citiesRef = db.collection("cities"); // [START chain_filters] citiesRef.whereEqualTo("state", "CO").whereEqualTo("name", "Denver"); citiesRef.whereEqualTo("state", "CA").whereLessThan("population", 1000000); // [END chain_filters] // [START valid_range_filters] citiesRef.whereGreaterThanOrEqualTo("state", "CA") .whereLessThanOrEqualTo("state", "IN"); citiesRef.whereEqualTo("state", "CA") .whereGreaterThan("population", 1000000); // [END valid_range_filters] }
Example #9
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 5 votes |
public void inQueries() { // [START in_filter] CollectionReference citiesRef = db.collection("cities"); citiesRef.whereIn("country", Arrays.asList("USA", "Japan")); // [END in_filter] // [START in_filter_with_array] citiesRef.whereIn("regions", Arrays.asList(new String[]{"west_coast"}, new String[]{"east_coast"})); // [END in_filter_with_array] }
Example #10
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 5 votes |
public void arrayContainsAnyQueries() { // [START array_contains_any_filter] CollectionReference citiesRef = db.collection("cities"); citiesRef.whereArrayContainsAny("regions", Arrays.asList("west_coast", "east_coast")); // [END array_contains_any_filter] }
Example #11
Source File: ProfileRepository.java From triviums with MIT License | 5 votes |
private void fetchProgress(ProgressCallback callback) { CollectionReference collectionReference = firestore.collection("users") .document(userProfile.getUserUid()) .collection("categories") .document("category") .collection("progress"); collectionReference.get().addOnCompleteListener(task -> { if (task.isSuccessful()) { document = task.getResult().getDocuments(); } callback.onCallback(document); }); }
Example #12
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 5 votes |
public void arrayContainsQueries() { // [START array_contains_filter] CollectionReference citiesRef = db.collection("cities"); citiesRef.whereArrayContains("regions", "west_coast"); // [END array_contains_filter] }
Example #13
Source File: FirebaseModule.java From firestore-android-arch-components with Apache License 2.0 | 5 votes |
@Singleton @Provides @Named("restaurants") CollectionReference providesRestaurants() { FirebaseFirestore.setLoggingEnabled(true); return FirebaseFirestore.getInstance().collection("restaurants"); }
Example #14
Source File: RestaurantUtil.java From firestore-android-arch-components with Apache License 2.0 | 5 votes |
/** * Delete all documents in a collection. Uses an Executor to perform work on a background * thread. This does *not* automatically discover and delete subcollections. */ private static Task<Void> deleteCollection(final CollectionReference collection, final int batchSize, Executor executor) { // Perform the delete operation on the provided Executor, which allows us to use // simpler synchronous logic without blocking the main thread. return Tasks.call(executor, () -> { // Get the first batch of documents in the collection Query query = collection.orderBy("__name__").limit(batchSize); // Get a list of deleted documents List<DocumentSnapshot> deleted = deleteQueryBatch(query); // While the deleted documents in the last batch indicate that there // may still be more documents in the collection, page down to the // next batch and delete again while (deleted.size() >= batchSize) { // Move the query cursor to start after the last doc in the batch DocumentSnapshot last = deleted.get(deleted.size() - 1); query = collection.orderBy("__name__") .startAfter(last.getId()) .limit(batchSize); deleted = deleteQueryBatch(query); } return null; }); }
Example #15
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 4 votes |
public void exampleDataCollectionGroup() { // [START fs_collection_group_query_data_setup] CollectionReference citiesRef = db.collection("cities"); Map<String, Object> ggbData = new HashMap<>(); ggbData.put("name", "Golden Gate Bridge"); ggbData.put("type", "bridge"); citiesRef.document("SF").collection("landmarks").add(ggbData); Map<String, Object> lohData = new HashMap<>(); lohData.put("name", "Legion of Honor"); lohData.put("type", "musuem"); citiesRef.document("SF").collection("landmarks").add(lohData); Map<String, Object> gpData = new HashMap<>(); gpData.put("name", "Griffith Park"); gpData.put("type", "park"); citiesRef.document("LA").collection("landmarks").add(gpData); Map<String, Object> tgData = new HashMap<>(); tgData.put("name", "The Getty"); tgData.put("type", "museum"); citiesRef.document("LA").collection("landmarks").add(tgData); Map<String, Object> lmData = new HashMap<>(); lmData.put("name", "Lincoln Memorial"); lmData.put("type", "memorial"); citiesRef.document("DC").collection("landmarks").add(lmData); Map<String, Object> nasaData = new HashMap<>(); nasaData.put("name", "National Air and Space Musuem"); nasaData.put("type", "museum"); citiesRef.document("DC").collection("landmarks").add(nasaData); Map<String, Object> upData = new HashMap<>(); upData.put("name", "Ueno Park"); upData.put("type", "park"); citiesRef.document("TOK").collection("landmarks").add(upData); Map<String, Object> nmData = new HashMap<>(); nmData.put("name", "National Musuem of Nature and Science"); nmData.put("type", "museum"); citiesRef.document("TOK").collection("landmarks").add(nmData); Map<String, Object> jpData = new HashMap<>(); jpData.put("name", "Jingshan Park"); jpData.put("type", "park"); citiesRef.document("BJ").collection("landmarks").add(jpData); Map<String, Object> baoData = new HashMap<>(); baoData.put("name", "Beijing Ancient Observatory"); baoData.put("type", "museum"); citiesRef.document("BJ").collection("landmarks").add(baoData); // [END fs_collection_group_query_data_setup] }
Example #16
Source File: FirestoreArrayTest.java From FirebaseUI-Android with Apache License 2.0 | 4 votes |
private String getConsoleLink(CollectionReference reference) { String base = "https://console.firebase.google.com/project/firebaseuitests/database/firestore/data/"; return base + reference.getPath(); }
Example #17
Source File: IntegrationTestUtil.java From firebase-android-sdk with Apache License 2.0 | 4 votes |
public static CollectionReference testCollection() { return testFirestore().collection(autoId()); }
Example #18
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 4 votes |
public void exampleData() { // [START example_data] CollectionReference cities = db.collection("cities"); Map<String, Object> data1 = new HashMap<>(); data1.put("name", "San Francisco"); data1.put("state", "CA"); data1.put("country", "USA"); data1.put("capital", false); data1.put("population", 860000); data1.put("regions", Arrays.asList("west_coast", "norcal")); cities.document("SF").set(data1); Map<String, Object> data2 = new HashMap<>(); data2.put("name", "Los Angeles"); data2.put("state", "CA"); data2.put("country", "USA"); data2.put("capital", false); data2.put("population", 3900000); data2.put("regions", Arrays.asList("west_coast", "socal")); cities.document("LA").set(data2); Map<String, Object> data3 = new HashMap<>(); data3.put("name", "Washington D.C."); data3.put("state", null); data3.put("country", "USA"); data3.put("capital", true); data3.put("population", 680000); data3.put("regions", Arrays.asList("east_coast")); cities.document("DC").set(data3); Map<String, Object> data4 = new HashMap<>(); data4.put("name", "Tokyo"); data4.put("state", null); data4.put("country", "Japan"); data4.put("capital", true); data4.put("population", 9000000); data4.put("regions", Arrays.asList("kanto", "honshu")); cities.document("TOK").set(data4); Map<String, Object> data5 = new HashMap<>(); data5.put("name", "Beijing"); data5.put("state", null); data5.put("country", "China"); data5.put("capital", true); data5.put("population", 21500000); data5.put("regions", Arrays.asList("jingjinji", "hebei")); cities.document("BJ").set(data5); // [END example_data] }
Example #19
Source File: DocSnippets.java From snippets-android with Apache License 2.0 | 4 votes |
public void collectionReference() { // [START collection_reference] CollectionReference usersCollectionRef = db.collection("users"); // [END collection_reference] }
Example #20
Source File: RestaurantUtil.java From firestore-android-arch-components with Apache License 2.0 | 4 votes |
/** * Delete all restaurants. */ public static Task<Void> deleteAll(final CollectionReference ref) { return deleteCollection(ref, 25, EXECUTOR); }
Example #21
Source File: RestaurantRepository.java From firestore-android-arch-components with Apache License 2.0 | 4 votes |
@Inject public RestaurantRepository(@Named("restaurants") CollectionReference restaurants) { this.restaurants = restaurants; }
Example #22
Source File: FeaturesCollectionReference.java From ground-android with Apache License 2.0 | 4 votes |
FeaturesCollectionReference(CollectionReference ref) { super(ref); }
Example #23
Source File: RecordsCollectionReference.java From ground-android with Apache License 2.0 | 4 votes |
RecordsCollectionReference(CollectionReference ref) { super(ref); }
Example #24
Source File: ProjectsCollectionReference.java From ground-android with Apache License 2.0 | 4 votes |
ProjectsCollectionReference(CollectionReference ref) { super(ref); }
Example #25
Source File: FluentCollectionReference.java From ground-android with Apache License 2.0 | 4 votes |
protected CollectionReference reference() { return reference; }
Example #26
Source File: FluentCollectionReference.java From ground-android with Apache License 2.0 | 4 votes |
protected FluentCollectionReference(CollectionReference reference) { this.reference = reference; }
Example #27
Source File: IntegrationTestUtil.java From firebase-android-sdk with Apache License 2.0 | 4 votes |
public static void writeAllDocs( CollectionReference collection, Map<String, Map<String, Object>> docs) { for (Map.Entry<String, Map<String, Object>> doc : docs.entrySet()) { waitFor(collection.document(doc.getKey()).set(doc.getValue())); } }
Example #28
Source File: IntegrationTestUtil.java From firebase-android-sdk with Apache License 2.0 | 4 votes |
public static CollectionReference testCollectionWithDocs(Map<String, Map<String, Object>> docs) { CollectionReference collection = testCollection(); CollectionReference writer = testFirestore().collection(collection.getId()); writeAllDocs(writer, docs); return collection; }
Example #29
Source File: IntegrationTestUtil.java From firebase-android-sdk with Apache License 2.0 | 4 votes |
public static CollectionReference testCollection(String name) { return testFirestore().collection(name + "_" + autoId()); }