mirror of https://github.com/tasks/tasks
Refactored new sync providers into api project and created a new SyncV2BackgroundService
Sam Bosley
13 years ago
parent
b85cb2977d
commit
37b24d530b
@ -0,0 +1,25 @@
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package com.todoroo.astrid.sync;
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public interface SyncResultCallback {
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/**
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* Increment max sync progress
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* @param incrementBy
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*/
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public void incrementMax(int incrementBy);
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/**
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* Increment current sync progress
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* @param incrementBy
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*/
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public void incrementProgress(int incrementBy);
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/**
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* Provider started sync
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*/
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public void started();
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/**
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* Provider finished sync
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*/
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public void finished();
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}
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@ -1,6 +1,6 @@
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package com.todoroo.astrid.helper;
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package com.todoroo.astrid.sync;
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import com.todoroo.astrid.service.SyncV2Service.SyncResultCallback;
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/**
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@ -0,0 +1,165 @@
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package com.todoroo.astrid.sync;
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import java.util.concurrent.atomic.AtomicBoolean;
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import android.app.AlarmManager;
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import android.app.PendingIntent;
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import android.app.Service;
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import android.content.Context;
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import android.content.Intent;
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import android.os.IBinder;
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import android.util.Log;
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import com.todoroo.andlib.service.Autowired;
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import com.todoroo.andlib.service.ContextManager;
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import com.todoroo.andlib.service.DependencyInjectionService;
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import com.todoroo.andlib.service.ExceptionService;
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import com.todoroo.andlib.utility.DateUtilities;
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import com.todoroo.andlib.utility.Preferences;
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import com.todoroo.astrid.api.AstridApiConstants;
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/**
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* Performs synchronization service logic in background service to avoid
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* ANR (application not responding) messages.
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* <p>
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* Starting this service
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* schedules a repeating alarm which handles
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* synchronization with your serv
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*
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* @author Tim Su
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*
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*/
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abstract public class SyncV2BackgroundService extends Service {
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/** Minimum time before an auto-sync */
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private static final long AUTO_SYNC_MIN_OFFSET = 5*60*1000L;
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@Autowired private ExceptionService exceptionService;
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// --- abstract methods
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abstract protected SyncV2Provider getSyncProvider();
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abstract protected SyncProviderUtilities getSyncUtilities();
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// --- implementation
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public SyncV2BackgroundService() {
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DependencyInjectionService.getInstance().inject(this);
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}
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private final AtomicBoolean started = new AtomicBoolean(false);
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/** Receive the alarm - start the synchronize service! */
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@Override
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public void onStart(Intent intent, int startId) {
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try {
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if(intent != null && !started.getAndSet(true)) {
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startSynchronization(this);
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}
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} catch (Exception e) {
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exceptionService.reportError(getSyncUtilities().getIdentifier() + "-bg-sync", e); //$NON-NLS-1$
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}
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}
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/** Start the actual synchronization */
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private void startSynchronization(final Context context) {
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if(context == null || context.getResources() == null)
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return;
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ContextManager.setContext(context);
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if(!getSyncUtilities().isLoggedIn())
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return;
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getSyncProvider().synchronizeActiveTasks(false, new SyncResultCallbackAdapter() {
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@Override
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public void finished() {
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context.sendBroadcast(new Intent(AstridApiConstants.BROADCAST_EVENT_REFRESH));
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}
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});
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}
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@Override
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public IBinder onBind(Intent intent) {
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return null;
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}
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public synchronized void stop() {
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started.set(false);
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stopSelf();
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}
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// --- alarm management
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/**
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* Schedules repeating alarm for auto-synchronization
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*/
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public void scheduleService() {
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int syncFrequencySeconds = 0;
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try {
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syncFrequencySeconds = Preferences.getIntegerFromString(
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getSyncUtilities().getSyncIntervalKey(), -1);
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} catch(ClassCastException e) {
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Preferences.setStringFromInteger(getSyncUtilities().getSyncIntervalKey(), 0);
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}
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Context context = ContextManager.getContext();
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if(syncFrequencySeconds <= 0) {
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unscheduleService(context);
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return;
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}
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// figure out synchronization frequency
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long interval = 1000L * syncFrequencySeconds;
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long offset = computeNextSyncOffset(interval);
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// give a little padding
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offset = Math.max(offset, AUTO_SYNC_MIN_OFFSET);
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AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
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PendingIntent pendingIntent = PendingIntent.getService(context, getSyncUtilities().getSyncIntervalKey(),
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createAlarmIntent(context), PendingIntent.FLAG_UPDATE_CURRENT);
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Log.i("Astrid", "Autosync set for " + offset / 1000 //$NON-NLS-1$ //$NON-NLS-2$
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+ " seconds repeating every " + syncFrequencySeconds); //$NON-NLS-1$
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// cancel all existing
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am.cancel(pendingIntent);
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// schedule new
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am.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + offset,
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interval, pendingIntent);
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}
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/**
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* Removes repeating alarm for auto-synchronization
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*/
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private void unscheduleService(Context context) {
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AlarmManager am = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
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PendingIntent pendingIntent = PendingIntent.getService(context, getSyncUtilities().getSyncIntervalKey(),
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createAlarmIntent(context), PendingIntent.FLAG_UPDATE_CURRENT);
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am.cancel(pendingIntent);
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}
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/** Create the alarm intent */
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private Intent createAlarmIntent(Context context) {
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Intent intent = new Intent(context, getClass());
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return intent;
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}
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// --- utility methods
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private long computeNextSyncOffset(long interval) {
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// figure out last synchronize time
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long lastSyncDate = getSyncUtilities().getLastSyncDate();
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// if user never synchronized, give them a full offset period before bg sync
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if(lastSyncDate != 0)
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return Math.max(0, lastSyncDate + interval - DateUtilities.now());
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else
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return interval;
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}
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}
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@ -0,0 +1,39 @@
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package com.todoroo.astrid.sync;
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abstract public class SyncV2Provider {
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/**
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* @return sync provider name (displayed in sync menu)
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*/
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abstract public String getName();
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/**
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* @return true if this provider is logged in
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*/
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abstract public boolean isActive();
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/**
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* Synchronize all of user's active tasks
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* @param manual whether manually triggered
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* @param callback callback object
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*/
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abstract public void synchronizeActiveTasks(boolean manual, SyncResultCallback callback);
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/**
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* Synchronize a single list
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* @param list object representing list (TaskListActivity-dependent)
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* @param manual whether was manually triggered
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* @param callback callback object
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*/
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abstract public void synchronizeList(Object list, boolean manual, SyncResultCallback callback);
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/**
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* Sign out of service, deleting all synchronization metadata
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*/
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abstract public void signOut();
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@Override
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public String toString() {
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return getName();
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}
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}
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