Examples with SerializedModel com.amplifyframework.core.model.SerializedModel used on opensource projects

Example 11 with SerializedModel

use of com.amplifyframework.core.model.SerializedModel in project amplify-android by aws-amplify.

the class SerializedModelAdapter method serialize.

@Override
public JsonElement serialize(SerializedModel src, Type typeOfSrc, JsonSerializationContext context) {
    ModelSchema schema = src.getModelSchema();
    JsonObject result = new JsonObject();
    result.add("id", context.serialize(src.getId()));
    result.add("modelSchema", context.serialize(schema));
    JsonObject serializedData = new JsonObject();
    for (Map.Entry<String, Object> entry : src.getSerializedData().entrySet()) {
        if (entry.getValue() instanceof SerializedModel) {
            SerializedModel serializedModel = (SerializedModel) entry.getValue();
            serializedData.add(entry.getKey(), new JsonPrimitive(serializedModel.getId()));
        } else {
            serializedData.add(entry.getKey(), context.serialize(entry.getValue()));
        }
    }
    result.add("serializedData", serializedData);
    return result;
}

Example 12 with SerializedModel

use of com.amplifyframework.core.model.SerializedModel in project amplify-android by aws-amplify.

the class SQLiteStorageAdapter method query.

/**
 * {@inheritDoc}
 */
@Override
public void query(@NonNull String modelName, @NonNull QueryOptions options, @NonNull Consumer<Iterator<? extends Model>> onSuccess, @NonNull Consumer<DataStoreException> onError) {
    Objects.requireNonNull(modelName);
    Objects.requireNonNull(options);
    Objects.requireNonNull(onSuccess);
    Objects.requireNonNull(onError);
    threadPool.submit(() -> {
        final ModelSchema modelSchema = schemaRegistry.getModelSchemaForModelClass(modelName);
        try (Cursor cursor = sqlCommandProcessor.rawQuery(sqlCommandFactory.queryFor(modelSchema, options))) {
            LOG.debug("Querying item for: " + modelName);
            final List<Model> models = new ArrayList<>();
            final SQLiteModelFieldTypeConverter converter = new SQLiteModelFieldTypeConverter(modelSchema, schemaRegistry, gson);
            if (cursor == null) {
                onError.accept(new DataStoreException("Error in getting a cursor to the table for class: " + modelName, AmplifyException.TODO_RECOVERY_SUGGESTION));
                return;
            }
            if (cursor.moveToFirst()) {
                do {
                    final Map<String, Object> data = converter.buildMapForModel(cursor);
                    final SerializedModel model = createSerializedModel(modelSchema, data);
                    models.add(model);
                } while (cursor.moveToNext());
            }
            onSuccess.accept(models.iterator());
        } catch (Exception exception) {
            onError.accept(new DataStoreException("Error in querying the model.", exception, "See attached exception for details."));
        }
    });
}

Example 13 with SerializedModel

use of com.amplifyframework.core.model.SerializedModel in project amplify-android by aws-amplify.

the class SQLiteStorageAdapter method query.

/**
 * Helper method to synchronously query for a single model instance.  Used before any save initiated by
 * DATASTORE_API in order to determine which fields have changed.
 * @param model a Model that we want to query for the same type and id in SQLite.
 * @return the Model instance from SQLite, if it exists, otherwise null.
 */
private Model query(Model model) {
    final String modelName = model.getModelName();
    final ModelSchema schema = schemaRegistry.getModelSchemaForModelClass(modelName);
    final SQLiteTable table = SQLiteTable.fromSchema(schema);
    final String primaryKeyName = table.getPrimaryKey().getName();
    final QueryPredicate matchId = QueryField.field(modelName, primaryKeyName).eq(model.getId());
    Iterator<? extends Model> result = Single.<Iterator<? extends Model>>create(emitter -> {
        if (model instanceof SerializedModel) {
            query(model.getModelName(), Where.matches(matchId), emitter::onSuccess, emitter::onError);
        } else {
            query(model.getClass(), Where.matches(matchId), emitter::onSuccess, emitter::onError);
        }
    }).blockingGet();
    return result.hasNext() ? result.next() : null;
}

Example 14 with SerializedModel

use of com.amplifyframework.core.model.SerializedModel in project amplify-android by aws-amplify.

the class SQLiteStorageAdapter method save.

/**
 * {@inheritDoc}
 */
@Override
public <T extends Model> void save(@NonNull T item, @NonNull StorageItemChange.Initiator initiator, @NonNull QueryPredicate predicate, @NonNull Consumer<StorageItemChange<T>> onSuccess, @NonNull Consumer<DataStoreException> onError) {
    Objects.requireNonNull(item);
    Objects.requireNonNull(initiator);
    Objects.requireNonNull(predicate);
    Objects.requireNonNull(onSuccess);
    Objects.requireNonNull(onError);
    threadPool.submit(() -> {
        try {
            final ModelSchema modelSchema = schemaRegistry.getModelSchemaForModelClass(item.getModelName());
            final StorageItemChange.Type writeType;
            SerializedModel patchItem = null;
            if (sqlQueryProcessor.modelExists(item, QueryPredicates.all())) {
                // if data exists already, then UPDATE the row
                writeType = StorageItemChange.Type.UPDATE;
                // Check if existing data meets the condition, only if a condition other than all() was provided.
                if (!QueryPredicates.all().equals(predicate) && !sqlQueryProcessor.modelExists(item, predicate)) {
                    throw new DataStoreException("Save failed because condition did not match existing model instance.", "The save will continue to fail until the model instance is updated.");
                }
                if (initiator == StorageItemChange.Initiator.DATA_STORE_API) {
                    // When saving items via the DataStore API, compute a SerializedModel of the changed model.
                    // This is not necessary when save
                    // is initiated by the sync engine, so skip it for optimization to avoid the extra SQL query.
                    patchItem = SerializedModel.create(item, modelSchema);
                }
            } else if (!QueryPredicates.all().equals(predicate)) {
                // insert not permitted with a condition
                throw new DataStoreException("Conditional update must be performed against an already existing data. " + "Insertion is not permitted while using a predicate.", "Please save without specifying a predicate.");
            } else {
                // if data doesn't exist yet, then INSERT a new row
                writeType = StorageItemChange.Type.CREATE;
            }
            // execute local save
            writeData(item, writeType);
            // publish successful save
            StorageItemChange<T> change = StorageItemChange.<T>builder().item(item).patchItem(patchItem != null ? patchItem : SerializedModel.create(item, modelSchema)).modelSchema(modelSchema).type(writeType).predicate(predicate).initiator(initiator).build();
            itemChangeSubject.onNext(change);
            onSuccess.accept(change);
        } catch (DataStoreException dataStoreException) {
            onError.accept(dataStoreException);
        } catch (Exception someOtherTypeOfException) {
            String modelToString = item.getModelName() + "[id=" + item.getId() + "]";
            DataStoreException dataStoreException = new DataStoreException("Error in saving the model: " + modelToString, someOtherTypeOfException, "See attached exception for details.");
            onError.accept(dataStoreException);
        }
    });
}

Example 15 with SerializedModel

use of com.amplifyframework.core.model.SerializedModel in project amplify-android by aws-amplify.

the class AppSyncRequestFactoryTest method validateMutationOnUpdateSerializedModelNestsSerializedCustomTypeWithOnlyChangedFields.

/**
 * Validates creation of a serialized model nests serialized custom types.
 *
 * @throws JSONException from JSONAssert.assertEquals JSON parsing error
 * @throws AmplifyException from ModelSchema.fromModelClass to convert model to schema
 */
@Test
public void validateMutationOnUpdateSerializedModelNestsSerializedCustomTypeWithOnlyChangedFields() throws JSONException, AmplifyException {
    buildSerializedModelNestsSerializedCustomTypeSchemas();
    SchemaRegistry schemaRegistry = SchemaRegistry.instance();
    Map<String, Object> phoneSerializedData = new HashMap<>();
    phoneSerializedData.put("country", "+1");
    phoneSerializedData.put("area", "415");
    phoneSerializedData.put("number", "6666666");
    SerializedCustomType phone = SerializedCustomType.builder().serializedData(phoneSerializedData).customTypeSchema(schemaRegistry.getCustomTypeSchemaMap().get("Phone")).build();
    Map<String, Object> bioSerializedData = new HashMap<>();
    bioSerializedData.put("email", "test@testing.com");
    bioSerializedData.put("phone", phone);
    SerializedCustomType bio = SerializedCustomType.builder().serializedData(bioSerializedData).customTypeSchema(schemaRegistry.getCustomTypeSchemaMap().get("Bio")).build();
    Map<String, Object> personSerializedData = new HashMap<>();
    personSerializedData.put("id", "123456");
    personSerializedData.put("bio", bio);
    SerializedModel person = SerializedModel.builder().serializedData(personSerializedData).modelSchema(schemaRegistry.getModelSchemaForModelClass("Person")).build();
    String actual = AppSyncRequestFactory.buildUpdateRequest(schemaRegistry.getModelSchemaForModelClass("Person"), person, 1, QueryPredicates.all(), DEFAULT_STRATEGY).getContent();
    JSONAssert.assertEquals(Resources.readAsString("update-nested-serialized-model-custom-type.txt"), actual, true);
    clearSerializedModelNestsSerializedCustomTypeSchemas();
}