Examples with NonNull android.support.annotation.NonNull used on opensource projects

Example 46 with NonNull

use of android.support.annotation.NonNull in project storio by pushtorefresh.

the class DefaultDeleteResolver method performDelete.

/**
     * {@inheritDoc}
     */
@NonNull
@Override
public DeleteResult performDelete(@NonNull StorIOSQLite storIOSQLite, @NonNull T object) {
    final DeleteQuery deleteQuery = mapToDeleteQuery(object);
    final int numberOfRowsDeleted = storIOSQLite.lowLevel().delete(deleteQuery);
    return DeleteResult.newInstance(numberOfRowsDeleted, deleteQuery.table());
}

Example 47 with NonNull

use of android.support.annotation.NonNull in project storio by pushtorefresh.

the class PreparedDeleteObject method executeAsBlocking.

/**
     * Executes Delete Operation immediately in current thread.
     * <p>
     * Notice: This is blocking I/O operation that should not be executed on the Main Thread,
     * it can cause ANR (Activity Not Responding dialog), block the UI and drop animations frames.
     * So please, call this method on some background thread. See {@link WorkerThread}.
     *
     * @return non-null result of Delete Operation.
     */
@SuppressWarnings("unchecked")
@WorkerThread
@NonNull
@Override
public DeleteResult executeAsBlocking() {
    try {
        final StorIOSQLite.LowLevel lowLevel = storIOSQLite.lowLevel();
        final DeleteResolver<T> deleteResolver;
        if (explicitDeleteResolver != null) {
            deleteResolver = explicitDeleteResolver;
        } else {
            final SQLiteTypeMapping<T> typeMapping = lowLevel.typeMapping((Class<T>) object.getClass());
            if (typeMapping == null) {
                throw new IllegalStateException("Object does not have type mapping: " + "object = " + object + ", object.class = " + object.getClass() + ", " + "db was not affected by this operation, please add type mapping for this type");
            }
            deleteResolver = typeMapping.deleteResolver();
        }
        final DeleteResult deleteResult = deleteResolver.performDelete(storIOSQLite, object);
        if (deleteResult.numberOfRowsDeleted() > 0) {
            lowLevel.notifyAboutChanges(Changes.newInstance(deleteResult.affectedTables()));
        }
        return deleteResult;
    } catch (Exception exception) {
        throw new StorIOException("Error has occurred during Delete operation. object = " + object, exception);
    }
}

Example 48 with NonNull

use of android.support.annotation.NonNull in project storio by pushtorefresh.

the class PreparedExecuteSQL method executeAsBlocking.

/**
     * Executes SQL Operation immediately in current thread.
     * <p>
     * Notice: This is blocking I/O operation that should not be executed on the Main Thread,
     * it can cause ANR (Activity Not Responding dialog), block the UI and drop animations frames.
     * So please, call this method on some background thread. See {@link WorkerThread}.
     *
     * @return just a new instance of {@link Object}, actually Execute SQL should return {@code void},
     * but we can not return instance of {@link Void} so we just return {@link Object}
     * and you don't have to deal with {@code null}.
     */
@WorkerThread
@NonNull
@Override
public Object executeAsBlocking() {
    try {
        final StorIOSQLite.LowLevel lowLevel = storIOSQLite.lowLevel();
        lowLevel.executeSQL(rawQuery);
        final Set<String> affectedTables = rawQuery.affectsTables();
        if (affectedTables.size() > 0) {
            lowLevel.notifyAboutChanges(Changes.newInstance(affectedTables));
        }
        return new Object();
    } catch (Exception exception) {
        throw new StorIOException("Error has occurred during ExecuteSQL operation. query = " + rawQuery, exception);
    }
}

Example 49 with NonNull

use of android.support.annotation.NonNull in project storio by pushtorefresh.

the class PreparedGetCursor method asRxObservable.

/**
     * Creates "Hot" {@link Observable} which will be subscribed to changes of tables from query
     * and will emit result each time change occurs.
     * <p>
     * First result will be emitted immediately after subscription,
     * other emissions will occur only if changes of tables from query will occur during lifetime of
     * the {@link Observable}.
     * <dl>
     * <dt><b>Scheduler:</b></dt>
     * <dd>Operates on {@link StorIOSQLite#defaultScheduler()} if not {@code null}.</dd>
     * </dl>
     * <p>
     * Please don't forget to unsubscribe from this {@link Observable} because
     * it's "Hot" and endless.
     *
     * @return non-null {@link Observable} which will emit non-null
     * list with mapped results and will be subscribed to changes of tables from query.
     */
@NonNull
@CheckResult
@Override
public Observable<Cursor> asRxObservable() {
    throwExceptionIfRxJavaIsNotAvailable("asRxObservable()");
    final Set<String> tables;
    if (query != null) {
        tables = new HashSet<String>(1);
        tables.add(query.table());
    } else if (rawQuery != null) {
        tables = rawQuery.observesTables();
    } else {
        throw new StorIOException("Please specify query");
    }
    final Observable<Cursor> observable;
    if (!tables.isEmpty()) {
        observable = storIOSQLite.observeChangesInTables(// each change triggers executeAsBlocking
        tables).map(MapSomethingToExecuteAsBlocking.newInstance(this)).startWith(// start stream with first query result
        Observable.create(OnSubscribeExecuteAsBlocking.newInstance(this))).onBackpressureLatest();
    } else {
        observable = Observable.create(OnSubscribeExecuteAsBlocking.newInstance(this));
    }
    return RxJavaUtils.subscribeOn(storIOSQLite, observable);
}

Example 50 with NonNull

use of android.support.annotation.NonNull in project storio by pushtorefresh.

the class PreparedGetListOfObjects method executeAsBlocking.

/**
     * Executes Get Operation immediately in current thread.
     * <p>
     * Notice: This is blocking I/O operation that should not be executed on the Main Thread,
     * it can cause ANR (Activity Not Responding dialog), block the UI and drop animations frames.
     * So please, call this method on some background thread. See {@link WorkerThread}.
     *
     * @return non-null, immutable {@link List} with mapped results, list can be empty.
     */
@WorkerThread
@SuppressWarnings({ "TryFinallyCanBeTryWithResources", "unchecked" })
// Min SDK :( unchecked for empty list
@NonNull
@Override
public List<T> executeAsBlocking() {
    try {
        final GetResolver<T> getResolver;
        if (explicitGetResolver != null) {
            getResolver = explicitGetResolver;
        } else {
            final SQLiteTypeMapping<T> typeMapping = storIOSQLite.lowLevel().typeMapping(type);
            if (typeMapping == null) {
                throw new IllegalStateException("This type does not have type mapping: " + "type = " + type + "," + "db was not touched by this operation, please add type mapping for this type");
            }
            getResolver = typeMapping.getResolver();
        }
        final Cursor cursor;
        if (query != null) {
            cursor = getResolver.performGet(storIOSQLite, query);
        } else if (rawQuery != null) {
            cursor = getResolver.performGet(storIOSQLite, rawQuery);
        } else {
            throw new IllegalStateException("Please specify query");
        }
        try {
            final int count = cursor.getCount();
            if (count == 0) {
                // it's immutable
                return EMPTY_LIST;
            }
            final List<T> list = new ArrayList<T>(count);
            while (cursor.moveToNext()) {
                list.add(getResolver.mapFromCursor(cursor));
            }
            return unmodifiableList(list);
        } finally {
            cursor.close();
        }
    } catch (Exception exception) {
        throw new StorIOException("Error has occurred during Get operation. query = " + (query != null ? query : rawQuery), exception);
    }
}