@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
SelectionBuilder builder = new SelectionBuilder();
final SQLiteDatabase db = mDatabaseHelper.getWritableDatabase();
final int match = sUriMatcher.match(uri);
int count;
switch (match) {
case ROUTE_EMOTES:
count =
builder
.table(EmotesContract.Emote.TABLE_NAME)
.where(selection, selectionArgs)
.delete(db);
break;
case ROUTE_EMOTES_ID:
String id = uri.getLastPathSegment();
count =
builder
.table(EmotesContract.Emote.TABLE_NAME)
.where(EmotesContract.Emote._ID + "=?", id)
.where(selection, selectionArgs)
.delete(db);
break;
default:
throw new UnsupportedOperationException("Unknown uri: " + uri);
}
// Send broadcast to registered ContentObservers, to refresh UI.
Context ctx = getContext();
assert ctx != null;
ctx.getContentResolver().notifyChange(uri, null, false);
return count;
}
@Override
public Cursor query(
Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
SQLiteDatabase db = mDatabaseHelper.getReadableDatabase();
SelectionBuilder builder = new SelectionBuilder();
Context ctx = getContext();
assert ctx != null;
Cursor c;
int uriMatch = sUriMatcher.match(uri);
switch (uriMatch) {
case ROUTE_EMOTES_ID:
// Return a single entry, by ID
String id = uri.getLastPathSegment();
builder.where(EmotesContract.Emote._ID + "=?", id);
case ROUTE_EMOTES:
// Return all known entries
builder.table(EmotesContract.Emote.TABLE_NAME).where(selection, selectionArgs);
c = builder.query(db, projection, sortOrder);
// Note: Notification URI must be manually set here for loaders to
// correctly register ContentObservers.
c.setNotificationUri(ctx.getContentResolver(), uri);
return c;
case ROUTE_EMOTES_DISTINCT:
// Return all known entries
builder.table(EmotesContract.Emote.TABLE_NAME).where(selection, selectionArgs);
c = builder.query(true, db, projection, sortOrder);
// Note: Notification URI must be manually set here for loaders to
// correctly register ContentObservers.
c.setNotificationUri(ctx.getContentResolver(), uri);
return c;
default:
throw new UnsupportedOperationException("Unknown uri: " + uri);
}
}