use of com.pushtorefresh.storio.sqlite.StorIOSQLite in project storio by pushtorefresh.
the class UserWithTweetsGetResolver method mapFromCursor.
@NonNull
@Override
public UserWithTweets mapFromCursor(@NonNull Cursor cursor) {
final StorIOSQLite storIOSQLite = storIOSQLiteFromPerformGet.get();
// Or you can manually parse cursor (it will be sliiightly faster)
final User user = userGetResolver.mapFromCursor(cursor);
// Yep, you can reuse StorIO here!
// Or, you can do manual low level requests here
// BTW, if you profiled your app and found that such queries are not very fast
// You can always add some optimized version for particular queries to improve the performance
final List<Tweet> tweetsOfTheUser = storIOSQLite.get().listOfObjects(Tweet.class).withQuery(Query.builder().table(TweetsTable.TABLE).where(TweetsTable.COLUMN_AUTHOR + "=?").whereArgs(user.nick()).build()).prepare().executeAsBlocking();
return new UserWithTweets(user, tweetsOfTheUser);
}
use of com.pushtorefresh.storio.sqlite.StorIOSQLite 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);
}
}
use of com.pushtorefresh.storio.sqlite.StorIOSQLite in project storio by pushtorefresh.
the class DefaultPutResolver method performPut.
/**
* {@inheritDoc}
*/
@NonNull
@Override
public PutResult performPut(@NonNull StorIOSQLite storIOSQLite, @NonNull T object) {
final UpdateQuery updateQuery = mapToUpdateQuery(object);
final StorIOSQLite.LowLevel lowLevel = storIOSQLite.lowLevel();
// for data consistency in concurrent environment, encapsulate Put Operation into transaction
lowLevel.beginTransaction();
try {
final Cursor cursor = lowLevel.query(Query.builder().table(updateQuery.table()).where(nullableString(updateQuery.where())).whereArgs((Object[]) nullableArrayOfStringsFromListOfStrings(updateQuery.whereArgs())).build());
final PutResult putResult;
try {
final ContentValues contentValues = mapToContentValues(object);
if (cursor.getCount() == 0) {
final InsertQuery insertQuery = mapToInsertQuery(object);
final long insertedId = lowLevel.insert(insertQuery, contentValues);
putResult = PutResult.newInsertResult(insertedId, insertQuery.table());
} else {
final int numberOfRowsUpdated = lowLevel.update(updateQuery, contentValues);
putResult = PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table());
}
} finally {
cursor.close();
}
// everything okay
lowLevel.setTransactionSuccessful();
return putResult;
} finally {
// in case of bad situations, db won't be affected
lowLevel.endTransaction();
}
}
use of com.pushtorefresh.storio.sqlite.StorIOSQLite in project storio by pushtorefresh.
the class PreparedPutCollectionOfObjects method executeAsBlocking.
/**
* Executes Put 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 results of Put Operation.
*/
@SuppressWarnings("unchecked")
@WorkerThread
@NonNull
@Override
public PutResults<T> executeAsBlocking() {
try {
final StorIOSQLite.LowLevel lowLevel = storIOSQLite.lowLevel();
// Nullable
final List<SimpleImmutableEntry<T, PutResolver<T>>> objectsAndPutResolvers;
if (explicitPutResolver != null) {
objectsAndPutResolvers = null;
} else {
objectsAndPutResolvers = new ArrayList<SimpleImmutableEntry<T, PutResolver<T>>>(objects.size());
for (final T object : objects) {
final SQLiteTypeMapping<T> typeMapping = (SQLiteTypeMapping<T>) lowLevel.typeMapping(object.getClass());
if (typeMapping == null) {
throw new IllegalStateException("One of the objects from the collection 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");
}
objectsAndPutResolvers.add(new SimpleImmutableEntry<T, PutResolver<T>>(object, typeMapping.putResolver()));
}
}
if (useTransaction) {
lowLevel.beginTransaction();
}
final Map<T, PutResult> results = new HashMap<T, PutResult>(objects.size());
boolean transactionSuccessful = false;
try {
if (explicitPutResolver != null) {
for (final T object : objects) {
final PutResult putResult = explicitPutResolver.performPut(storIOSQLite, object);
results.put(object, putResult);
if (!useTransaction && (putResult.wasInserted() || putResult.wasUpdated())) {
lowLevel.notifyAboutChanges(Changes.newInstance(putResult.affectedTables()));
}
}
} else {
for (final SimpleImmutableEntry<T, PutResolver<T>> objectAndPutResolver : objectsAndPutResolvers) {
final T object = objectAndPutResolver.getKey();
final PutResolver<T> putResolver = objectAndPutResolver.getValue();
final PutResult putResult = putResolver.performPut(storIOSQLite, object);
results.put(object, putResult);
if (!useTransaction && (putResult.wasInserted() || putResult.wasUpdated())) {
lowLevel.notifyAboutChanges(Changes.newInstance(putResult.affectedTables()));
}
}
}
if (useTransaction) {
lowLevel.setTransactionSuccessful();
transactionSuccessful = true;
}
} finally {
if (useTransaction) {
lowLevel.endTransaction();
// if put was in transaction and it was successful -> notify about changes
if (transactionSuccessful) {
// in most cases it will be 1 table
final Set<String> affectedTables = new HashSet<String>(1);
for (final T object : results.keySet()) {
final PutResult putResult = results.get(object);
if (putResult.wasInserted() || putResult.wasUpdated()) {
affectedTables.addAll(putResult.affectedTables());
}
}
// It'll reduce number of possible deadlock situations
if (!affectedTables.isEmpty()) {
lowLevel.notifyAboutChanges(Changes.newInstance(affectedTables));
}
}
}
}
return PutResults.newInstance(results);
} catch (Exception exception) {
throw new StorIOException("Error has occurred during Put operation. objects = " + objects, exception);
}
}
use of com.pushtorefresh.storio.sqlite.StorIOSQLite in project storio by pushtorefresh.
the class PreparedPutContentValuesIterable method executeAsBlocking.
/**
* Executes Put 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 results of Put Operation.
*/
@WorkerThread
@NonNull
@Override
public PutResults<ContentValues> executeAsBlocking() {
try {
final StorIOSQLite.LowLevel lowLevel = storIOSQLite.lowLevel();
final Map<ContentValues, PutResult> putResults = new HashMap<ContentValues, PutResult>();
if (useTransaction) {
lowLevel.beginTransaction();
}
boolean transactionSuccessful = false;
try {
for (ContentValues contentValues : contentValuesIterable) {
final PutResult putResult = putResolver.performPut(storIOSQLite, contentValues);
putResults.put(contentValues, putResult);
if (!useTransaction && (putResult.wasInserted() || putResult.wasUpdated())) {
lowLevel.notifyAboutChanges(Changes.newInstance(putResult.affectedTables()));
}
}
if (useTransaction) {
lowLevel.setTransactionSuccessful();
transactionSuccessful = true;
}
} finally {
if (useTransaction) {
lowLevel.endTransaction();
if (transactionSuccessful) {
// in most cases it will be 1 table
final Set<String> affectedTables = new HashSet<String>(1);
for (final ContentValues contentValues : putResults.keySet()) {
final PutResult putResult = putResults.get(contentValues);
if (putResult.wasInserted() || putResult.wasUpdated()) {
affectedTables.addAll(putResult.affectedTables());
}
}
// It'll reduce number of possible deadlock situations
if (!affectedTables.isEmpty()) {
lowLevel.notifyAboutChanges(Changes.newInstance(affectedTables));
}
}
}
}
return PutResults.newInstance(putResults);
} catch (Exception exception) {
throw new StorIOException("Error has occurred during Put operation. contentValues = " + contentValuesIterable, exception);
}
}
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