public void repopulateQueueFromOutstandingTables() {
syncLog("Constructing queue from outstanding tables"); // $NON-NLS-1$
constructChangesHappenedFromOutstandingTable(Task.class, taskDao, taskOutstandingDao);
constructChangesHappenedFromOutstandingTable(TagData.class, tagDataDao, tagOutstandingDao);
constructChangesHappenedFromOutstandingTable(
UserActivity.class, userActivityDao, userActivityOutstandingDao);
constructChangesHappenedForTaskListMetadata(
taskListMetadataDao, taskListMetadataOutstandingDao);
}
// Reapplies changes still in the outstanding tables to the local database
// Called after a batch has finished processing
private void replayOutstandingChanges(boolean afterErrors) {
syncLog("Replaying outstanding changes"); // $NON-NLS-1$
new ReplayOutstandingEntries<Task, TaskOutstanding>(
Task.class, NameMaps.TABLE_ID_TASKS, taskDao, taskOutstandingDao, afterErrors)
.execute();
new ReplayOutstandingEntries<TagData, TagOutstanding>(
TagData.class, NameMaps.TABLE_ID_TAGS, tagDataDao, tagOutstandingDao, afterErrors)
.execute();
new ReplayTaskListMetadataOutstanding(
taskListMetadataDao, taskListMetadataOutstandingDao, afterErrors)
.execute();
}
private void sync() {
try {
int batchSize = 4;
List<ClientToServerMessage<?>> messageBatch = new ArrayList<ClientToServerMessage<?>>();
while (true) {
synchronized (monitor) {
while ((pendingMessages.isEmpty() && !timeForBackgroundSync())
|| !actFmPreferenceService.isLoggedIn()
|| !syncMigration) {
try {
if ((pendingMessages.isEmpty() || !actFmPreferenceService.isLoggedIn())
&& notificationId >= 0) {
notificationManager.cancel(notificationId);
notificationId = -1;
}
monitor.wait();
AndroidUtilities.sleepDeep(
500L); // Wait briefly for large database operations to finish (e.g. adding a task
// with several tags may trigger a message before all saves are done--fix
// this?)
if (!syncMigration) {
syncMigration =
Preferences.getBoolean(AstridNewSyncMigrator.PREF_SYNC_MIGRATION, false);
}
} catch (InterruptedException e) {
// Ignored
}
}
}
boolean recordSyncSuccess = true;
if (timeForBackgroundSync()) {
repopulateQueueFromOutstandingTables();
enqueueMessage(
BriefMe.instantiateBriefMeForClass(
TaskListMetadata.class, NameMaps.PUSHED_AT_TASK_LIST_METADATA),
DEFAULT_REFRESH_RUNNABLE);
enqueueMessage(
BriefMe.instantiateBriefMeForClass(Task.class, NameMaps.PUSHED_AT_TASKS),
DEFAULT_REFRESH_RUNNABLE);
enqueueMessage(
BriefMe.instantiateBriefMeForClass(TagData.class, NameMaps.PUSHED_AT_TAGS),
DEFAULT_REFRESH_RUNNABLE);
enqueueMessage(
BriefMe.instantiateBriefMeForClass(User.class, NameMaps.PUSHED_AT_USERS),
DEFAULT_REFRESH_RUNNABLE);
setTimeForBackgroundSync(false);
}
while (messageBatch.size() < batchSize && !pendingMessages.isEmpty()) {
ClientToServerMessage<?> message = pendingMessages.remove(0);
if (message != null) {
messageBatch.add(message);
}
}
if (!messageBatch.isEmpty() && checkForToken()) {
JSONPayloadBuilder payload = new JSONPayloadBuilder();
MultipartEntity entity = new MultipartEntity();
boolean containsChangesHappened = false;
for (int i = 0; i < messageBatch.size(); i++) {
ClientToServerMessage<?> message = messageBatch.get(i);
boolean success = payload.addMessage(message, entity);
if (success) {
if (message instanceof ChangesHappened) {
containsChangesHappened = true;
}
} else {
messageBatch.remove(i);
i--;
}
}
if (payload.getMessageCount() == 0) {
messageBatch.clear();
continue;
}
setupNotification();
payload.addJSONObject(getClientVersion());
JSONArray errors = null;
try {
JSONObject response =
actFmInvoker.postSync(
payload.closeAndReturnString(), entity, containsChangesHappened, token);
// process responses
String time = response.optString("time");
JSONArray serverMessagesJson = response.optJSONArray("messages");
if (serverMessagesJson != null) {
setWidgetSuppression(true);
for (int i = 0; i < serverMessagesJson.length(); i++) {
JSONObject serverMessageJson = serverMessagesJson.optJSONObject(i);
if (serverMessageJson != null) {
ServerToClientMessage serverMessage =
ServerToClientMessage.instantiateMessage(serverMessageJson);
if (serverMessage != null) {
serverMessage.processMessage(time);
} else {
syncLog(
"Index "
+ i
+ " unable to instantiate message "
+ serverMessageJson.toString());
}
}
}
errors = response.optJSONArray("errors");
boolean errorsExist = (errors != null && errors.length() > 0);
replayOutstandingChanges(errorsExist);
setWidgetSuppression(false);
}
batchSize = Math.max(12, Math.min(batchSize, messageBatch.size()) * 2);
if (recordSyncSuccess) {
actFmPreferenceService.setLastError(null, null);
actFmPreferenceService.recordSuccessfulSync();
}
} catch (IOException e) {
Log.e(ERROR_TAG, "IOException", e);
batchSize = Math.max(batchSize / 2, 1);
}
Set<SyncMessageCallback> callbacksExecutedThisLoop = new HashSet<SyncMessageCallback>();
Map<Integer, List<JSONArray>> errorMap = buildErrorMap(errors);
for (int i = 0; i < messageBatch.size(); i++) {
ClientToServerMessage<?> message = messageBatch.get(i);
try {
SyncMessageCallback r = pendingCallbacks.remove(message);
if (r != null && !callbacksExecutedThisLoop.contains(r)) {
List<JSONArray> errorList = errorMap.get(i);
if (errorList == null || errorList.isEmpty()) {
r.runOnSuccess();
} else {
r.runOnErrors(errorList);
}
callbacksExecutedThisLoop.add(r);
}
} catch (Exception e) {
Log.e(ERROR_TAG, "Unexpected exception executing sync callback", e);
}
}
messageBatch.clear();
}
}
} catch (Exception e) {
// In the worst case, restart thread if something goes wrong
Log.e(ERROR_TAG, "Unexpected sync thread exception", e);
thread = null;
startSyncThread();
}
}