Examples with Task com.parse.boltsinternal.Task used on opensource projects

Example 6 with Task

use of com.parse.boltsinternal.Task in project Parse-SDK-Android by ParsePlatform.

the class ParseCloudTest method testCallFunctionAsync.

// endregion
// region testCallFunctions
@Test
public void testCallFunctionAsync() throws Exception {
    ParseCloudCodeController controller = mockParseCloudCodeControllerWithResponse("result");
    ParseCorePlugins.getInstance().registerCloudCodeController(controller);
    Map<String, Object> parameters = new HashMap<>();
    parameters.put("key1", Arrays.asList(1, 2, 3));
    parameters.put("key2", "value1");
    Task cloudCodeTask = ParseCloud.callFunctionInBackground("name", parameters);
    ParseTaskUtils.wait(cloudCodeTask);
    verify(controller, times(1)).callFunctionInBackground(eq("name"), eq(parameters), isNull());
    assertTrue(cloudCodeTask.isCompleted());
    assertNull(cloudCodeTask.getError());
    assertThat(cloudCodeTask.getResult(), instanceOf(String.class));
    assertEquals("result", cloudCodeTask.getResult());
}

Example 7 with Task

use of com.parse.boltsinternal.Task in project Parse-SDK-Android by ParsePlatform.

the class OfflineStore method fetchLocallyAsync.

/**
 * Gets the data for the given object from the offline database. Returns a task that will be
 * completed if data for the object was available. If the object is not in the cache, the task
 * will be faulted, with a CACHE_MISS error.
 *
 * @param object The object to fetch.
 * @param db A database connection to use.
 */
/* package for OfflineQueryLogic */
<T extends ParseObject> Task<T> fetchLocallyAsync(final T object, final ParseSQLiteDatabase db) {
    final TaskCompletionSource<T> tcs = new TaskCompletionSource<>();
    Task<String> uuidTask;
    synchronized (lock) {
        if (fetchedObjects.containsKey(object)) {
            // noinspection unchecked
            return (Task<T>) fetchedObjects.get(object);
        }
        /*
             * Put a placeholder so that anyone else who attempts to fetch this object will just wait for
             * this call to finish doing it.
             */
        // noinspection unchecked
        fetchedObjects.put(object, (Task<ParseObject>) tcs.getTask());
        uuidTask = objectToUuidMap.get(object);
    }
    String className = object.getClassName();
    String objectId = object.getObjectId();
    /*
         * If this gets set, then it will contain data from the offline store that needs to be merged
         * into the existing object in memory.
         */
    Task<String> jsonStringTask = Task.forResult(null);
    if (objectId == null) {
        // This Object has never been saved to Parse.
        if (uuidTask == null) {
        /*
                 * This object was not pulled from the data store or previously saved to it, so there's
                 * nothing that can be fetched from it. This isn't an error, because it's really convenient
                 * to try to fetch objects from the offline store just to make sure they are up-to-date, and
                 * we shouldn't force developers to specially handle this case.
                 */
        } else {
            /*
                 * This object is a new ParseObject that is known to the data store, but hasn't been
                 * fetched. The only way this could happen is if the object had previously been stored in
                 * the offline store, then the object was removed from memory (maybe by rebooting), and then
                 * a object with a pointer to it was fetched, so we only created the pointer. We need to
                 * pull the data out of the database using the UUID.
                 */
            final String[] select = { OfflineSQLiteOpenHelper.KEY_JSON };
            final String where = OfflineSQLiteOpenHelper.KEY_UUID + " = ?";
            final Capture<String> uuid = new Capture<>();
            jsonStringTask = uuidTask.onSuccessTask(task -> {
                uuid.set(task.getResult());
                String[] args = { uuid.get() };
                return db.queryAsync(OfflineSQLiteOpenHelper.TABLE_OBJECTS, select, where, args);
            }).onSuccess(task -> {
                Cursor cursor = task.getResult();
                cursor.moveToFirst();
                if (cursor.isAfterLast()) {
                    cursor.close();
                    throw new IllegalStateException("Attempted to find non-existent uuid " + uuid.get());
                }
                String json = cursor.getString(0);
                cursor.close();
                return json;
            });
        }
    } else {
        if (uuidTask != null) {
            /*
                 * This object is an existing ParseObject, and we must've already pulled its data out of the
                 * offline store, or else we wouldn't know its UUID. This should never happen.
                 */
            tcs.setError(new IllegalStateException("This object must have already been " + "fetched from the local datastore, but isn't marked as fetched."));
            synchronized (lock) {
                // Forget we even tried to fetch this object, so that retries will actually...
                // retry.
                fetchedObjects.remove(object);
            }
            return tcs.getTask();
        }
        /*
             * We've got a pointer to an existing ParseObject, but we've never pulled its data out of the
             * offline store. Since fetching from the server forces a fetch from the offline store, that
             * means this is a pointer. We need to try to find any existing entry for this object in the
             * database.
             */
        String[] select = { OfflineSQLiteOpenHelper.KEY_JSON, OfflineSQLiteOpenHelper.KEY_UUID };
        String where = String.format("%s = ? AND %s = ?", OfflineSQLiteOpenHelper.KEY_CLASS_NAME, OfflineSQLiteOpenHelper.KEY_OBJECT_ID);
        String[] args = { className, objectId };
        jsonStringTask = db.queryAsync(OfflineSQLiteOpenHelper.TABLE_OBJECTS, select, where, args).onSuccess(task -> {
            Cursor cursor = task.getResult();
            cursor.moveToFirst();
            if (cursor.isAfterLast()) {
                /*
                                             * This is a pointer that came from Parse that references an object that has
                                             * never been saved in the offline store before. This just means there's no data
                                             * in the store that needs to be merged into the object.
                                             */
                cursor.close();
                throw new ParseException(ParseException.CACHE_MISS, "This object is not available in the offline cache.");
            }
            // we should fetch its data and record its UUID for future
            // reference.
            String jsonString = cursor.getString(0);
            String newUUID = cursor.getString(1);
            cursor.close();
            synchronized (lock) {
                /*
                                             * It's okay to put this object into the uuid map. No one will try to fetch
                                             * it, because it's already in the fetchedObjects map. And no one will try to
                                             * save to it without fetching it first, so everything should be just fine.
                                             */
                objectToUuidMap.put(object, Task.forResult(newUUID));
                uuidToObjectMap.put(newUUID, object);
            }
            return jsonString;
        });
    }
    return jsonStringTask.onSuccessTask((Continuation<String, Task<Void>>) task -> {
        String jsonString = task.getResult();
        if (jsonString == null) {
            return Task.forError(new ParseException(ParseException.CACHE_MISS, "Attempted to fetch an object offline which was never saved to the offline cache."));
        }
        final JSONObject json;
        try {
            json = new JSONObject(jsonString);
        } catch (JSONException e) {
            return Task.forError(e);
        }
        final Map<String, Task<ParseObject>> offlineObjects = new HashMap<>();
        (new ParseTraverser() {

            @Override
            protected boolean visit(Object object1) {
                if (object1 instanceof JSONObject && ((JSONObject) object1).optString("__type").equals("OfflineObject")) {
                    String uuid = ((JSONObject) object1).optString("uuid");
                    offlineObjects.put(uuid, getPointerAsync(uuid, db));
                }
                return true;
            }
        }).setTraverseParseObjects(false).setYieldRoot(false).traverse(json);
        return Task.whenAll(offlineObjects.values()).onSuccess(task1 -> {
            object.mergeREST(object.getState(), json, new OfflineDecoder(offlineObjects));
            return null;
        });
    }).continueWithTask(task -> {
        if (task.isCancelled()) {
            tcs.setCancelled();
        } else if (task.isFaulted()) {
            tcs.setError(task.getError());
        } else {
            tcs.setResult(object);
        }
        return tcs.getTask();
    });
}

Example 8 with Task

use of com.parse.boltsinternal.Task in project Parse-SDK-Android by ParsePlatform.

the class OfflineStore method unpinAsync.

private Task<Void> unpinAsync(final String key, final ParseSQLiteDatabase db) {
    final List<String> uuidsToDelete = new LinkedList<>();
    // A continueWithTask that ends with "return task" is essentially a try-finally.
    return Task.forResult((Void) null).continueWithTask(task -> {
        // Fetch all uuids from Dependencies for key=? grouped by uuid having a
        // count of 1
        String sql = "SELECT " + OfflineSQLiteOpenHelper.KEY_UUID + " FROM " + OfflineSQLiteOpenHelper.TABLE_DEPENDENCIES + " WHERE " + OfflineSQLiteOpenHelper.KEY_KEY + "=? AND " + OfflineSQLiteOpenHelper.KEY_UUID + " IN (" + " SELECT " + OfflineSQLiteOpenHelper.KEY_UUID + " FROM " + OfflineSQLiteOpenHelper.TABLE_DEPENDENCIES + " GROUP BY " + OfflineSQLiteOpenHelper.KEY_UUID + " HAVING COUNT(" + OfflineSQLiteOpenHelper.KEY_UUID + ")=1" + ")";
        String[] args = { key };
        return db.rawQueryAsync(sql, args);
    }).onSuccessTask(task -> {
        // DELETE FROM Objects
        Cursor cursor = task.getResult();
        while (cursor.moveToNext()) {
            uuidsToDelete.add(cursor.getString(0));
        }
        cursor.close();
        return deleteObjects(uuidsToDelete, db);
    }).onSuccessTask(task -> {
        // DELETE FROM Dependencies
        String where = OfflineSQLiteOpenHelper.KEY_KEY + "=?";
        String[] args = { key };
        return db.deleteAsync(OfflineSQLiteOpenHelper.TABLE_DEPENDENCIES, where, args);
    }).onSuccess(task -> {
        synchronized (lock) {
            // Remove uuids from memory
            for (String uuid : uuidsToDelete) {
                ParseObject object = uuidToObjectMap.get(uuid);
                if (object != null) {
                    objectToUuidMap.remove(object);
                    uuidToObjectMap.remove(uuid);
                }
            }
        }
        return null;
    });
}

Example 9 with Task

use of com.parse.boltsinternal.Task in project Parse-SDK-Android by ParsePlatform.

the class Parse method initialize.

static void initialize(Configuration configuration, ParsePlugins parsePlugins) {
    if (isInitialized()) {
        PLog.w(TAG, "Parse is already initialized");
        return;
    }
    // NOTE (richardross): We will need this here, as ParsePlugins uses the return value of
    // isLocalDataStoreEnabled() to perform additional behavior.
    isLocalDatastoreEnabled = configuration.localDataStoreEnabled;
    allowCustomObjectId = configuration.allowCustomObjectId;
    if (parsePlugins == null) {
        ParsePlugins.initialize(configuration.context, configuration);
    } else {
        ParsePlugins.set(parsePlugins);
    }
    try {
        ParseRESTCommand.server = new URL(configuration.server);
    } catch (MalformedURLException ex) {
        throw new RuntimeException(ex);
    }
    ParseObject.registerParseSubclasses();
    if (configuration.localDataStoreEnabled) {
        offlineStore = new OfflineStore(configuration.context);
    } else {
        ParseKeyValueCache.initialize(configuration.context);
    }
    // Make sure the data on disk for Parse is for the current
    // application.
    checkCacheApplicationId();
    final Context context = configuration.context;
    Task.callInBackground((Callable<Void>) () -> {
        getEventuallyQueue(context);
        return null;
    });
    ParseFieldOperations.registerDefaultDecoders();
    if (!allParsePushIntentReceiversInternal()) {
        throw new SecurityException("To prevent external tampering to your app's notifications, " + "all receivers registered to handle the following actions must have " + "their exported attributes set to false: com.parse.push.intent.RECEIVE, " + "com.parse.push.intent.OPEN, com.parse.push.intent.DELETE");
    }
    ParseUser.getCurrentUserAsync().makeVoid().continueWith((Continuation<Void, Void>) task -> {
        ParseConfig.getCurrentConfig();
        return null;
    }, Task.BACKGROUND_EXECUTOR);
    dispatchOnParseInitialized();
    // FYI we probably don't want to do this if we ever add other callbacks.
    synchronized (MUTEX_CALLBACKS) {
        Parse.callbacks = null;
    }
}

Example 10 with Task

use of com.parse.boltsinternal.Task in project Parse-SDK-Android by ParsePlatform.

the class ParseRequest method executeAsync.

private Task<Response> executeAsync(final ParseHttpClient client, final ParseHttpRequest request, final int attemptsMade, final long delay, final ProgressCallback downloadProgressCallback, final Task<Void> cancellationToken) {
    if (cancellationToken != null && cancellationToken.isCancelled()) {
        return Task.cancelled();
    }
    return sendOneRequestAsync(client, request, downloadProgressCallback).continueWithTask(task -> {
        Exception e = task.getError();
        if (task.isFaulted() && e instanceof ParseException) {
            if (cancellationToken != null && cancellationToken.isCancelled()) {
                return Task.cancelled();
            }
            if (e instanceof ParseRequestException && ((ParseRequestException) e).isPermanentFailure) {
                return task;
            }
            if (attemptsMade < maxRetries()) {
                PLog.i("com.parse.ParseRequest", "Request failed. Waiting " + delay + " milliseconds before attempt #" + (attemptsMade + 1));
                final TaskCompletionSource<Response> retryTask = new TaskCompletionSource<>();
                ParseExecutors.scheduled().schedule(() -> {
                    executeAsync(client, request, attemptsMade + 1, delay * 2, downloadProgressCallback, cancellationToken).continueWithTask((Continuation<Response, Task<Void>>) task1 -> {
                        if (task1.isCancelled()) {
                            retryTask.setCancelled();
                        } else if (task1.isFaulted()) {
                            retryTask.setError(task1.getError());
                        } else {
                            retryTask.setResult(task1.getResult());
                        }
                        return null;
                    });
                }, delay, TimeUnit.MILLISECONDS);
                return retryTask.getTask();
            }
        }
        return task;
    });
}