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Code Issues Releases Wiki Activity

Replace the expensive part of Account.getStats() that loaded all folders

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and iterated through them with a SQL query.
This commit is contained in:
Jesse Vincent 2011-01-16 21:33:58 +00:00
parent 5a5541b400
commit 30fed01784
2 changed files with 63 additions and 45 deletions
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47
src/com/fsck/k9/Account.java
View File

@ -642,54 +642,11 @@ public class Account implements BaseAccount
{
stats.size = localStore.getSize();
}
Account.FolderMode aMode = getFolderDisplayMode();
Preferences prefs = Preferences.getPreferences(context);
long folderLoadStart = System.currentTimeMillis();
List<? extends Folder> folders = localStore.getPersonalNamespaces(false);
long folderLoadEnd = System.currentTimeMillis();
for (Folder folder : folders)
{
LocalFolder localFolder = (LocalFolder)folder;
//folder.refresh(prefs);
Folder.FolderClass fMode = localFolder.getDisplayClass();
// Always get stats about the INBOX (see issue 1817)
if (!folder.getName().equals(K9.INBOX) && isSpecialFolder(folder.getName()) )
{
continue;
}
if (aMode == Account.FolderMode.NONE)
{
continue;
}
if (aMode == Account.FolderMode.FIRST_CLASS &&
fMode != Folder.FolderClass.FIRST_CLASS)
{
continue;
}
if (aMode == Account.FolderMode.FIRST_AND_SECOND_CLASS &&
fMode != Folder.FolderClass.FIRST_CLASS &&
fMode != Folder.FolderClass.SECOND_CLASS)
{
continue;
}
if (aMode == Account.FolderMode.NOT_SECOND_CLASS &&
fMode == Folder.FolderClass.SECOND_CLASS)
{
continue;
}
unreadMessageCount += folder.getUnreadMessageCount();
flaggedMessageCount += folder.getFlaggedMessageCount();
}
long folderEvalEnd = System.currentTimeMillis();
stats.unreadMessageCount = unreadMessageCount;
stats.flaggedMessageCount = flaggedMessageCount;
localStore.getMessageCounts(stats);
long endTime = System.currentTimeMillis();
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "Account.getStats() on " + getDescription() + " took " + (endTime - startTime) + " ms;"
+ " loading " + folders.size() + " took " + (folderLoadEnd - folderLoadStart) + " ms;"
+ " evaluating took " + (folderEvalEnd - folderLoadEnd) + " ms");
Log.d(K9.LOG_TAG, "Account.getStats() on " + getDescription() + " took " + (endTime - startTime) + " ms;");
return stats;
}

61
src/com/fsck/k9/mail/store/LocalStore.java
View File

@ -28,6 +28,8 @@ import android.net.Uri;
import android.util.Log;
import com.fsck.k9.Account;
import com.fsck.k9.Account.FolderMode;
import com.fsck.k9.AccountStats;
import com.fsck.k9.K9;
import com.fsck.k9.Preferences;
import com.fsck.k9.controller.MessageRemovalListener;
@ -39,6 +41,7 @@ import com.fsck.k9.mail.BodyPart;
import com.fsck.k9.mail.FetchProfile;
import com.fsck.k9.mail.Flag;
import com.fsck.k9.mail.Folder;
import com.fsck.k9.mail.Folder.FolderClass;
import com.fsck.k9.mail.Message;
import com.fsck.k9.mail.Message.RecipientType;
import com.fsck.k9.mail.MessagingException;
@ -569,6 +572,64 @@ public class LocalStore extends Store implements Serializable
});
}
public void getMessageCounts(final AccountStats stats) throws MessagingException
{
final Account.FolderMode displayMode = mAccount.getFolderDisplayMode();
database.execute(false, new DbCallback<Integer>()
{
@Override
public Integer doDbWork(final SQLiteDatabase db)
{
Cursor cursor = null;
try
{
String baseQuery = "SELECT SUM(unread_count), SUM(flagged_count) FROM FOLDERS WHERE name = ?";
if (displayMode == Account.FolderMode.NONE)
{
cursor = db.rawQuery(baseQuery, new String[] { K9.INBOX});
}
else if (displayMode == Account.FolderMode.FIRST_CLASS )
{
cursor = db.rawQuery(baseQuery + " OR display_class = ?", new String[] { K9.INBOX, Folder.FolderClass.FIRST_CLASS.name()});
}
else if (displayMode == Account.FolderMode.FIRST_AND_SECOND_CLASS)
{
cursor = db.rawQuery(baseQuery + " OR display_class = ? OR display_class = ? ", new String[] { K9.INBOX, Folder.FolderClass.FIRST_CLASS.name(), Folder.FolderClass.SECOND_CLASS.name()});
}
else if (displayMode == Account.FolderMode.NOT_SECOND_CLASS)
{
cursor = db.rawQuery(baseQuery + " OR display_class != ?", new String[] { K9.INBOX, Folder.FolderClass.SECOND_CLASS.name()});
}
else
{
Log.e(K9.LOG_TAG,"asked to compute account statistics for an impossible folder mode "+displayMode);
}
cursor.moveToFirst();
stats.unreadMessageCount = cursor.getInt(0); // message count
stats.flaggedMessageCount = cursor.getInt(1); // message count
return null;
}
finally
{
if (cursor != null)
{
cursor.close();
}
}
}
});
}
public int getFolderCount() throws MessagingException
{
return database.execute(false, new DbCallback<Integer>()