@Override public Uri insert(Uri uri, ContentValues values) { // Find matching path. final int match = sUriMatcher.match(uri); // Avoid the expensive string concatenation below if not loggable if (BuildConfig.DEBUG) { Log.v(TAG, "insert(uri=" + uri + ", values=" + values.toString() + ")"); } // Get the database and run the insert SQLiteDatabase db = mOpenHelper.getWritableDatabase(); switch (match) { case PAYMENTS: { db.insertOrThrow(AppDatabase.Tables.PAYMENTS, null, values); getContext().getContentResolver().notifyChange(uri, null); // Generate Uri with remote id. return AppContract.Payments.buildUri(values.getAsString(AppContract.Payments.ID)); } default: { throw new UnsupportedOperationException("Unknown insert uri: " + uri); } } }
@Override public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { // Find matching path. final int match = sUriMatcher.match(uri); // Avoid the expensive string concatenation below if not loggable if (BuildConfig.DEBUG) { Log.v(TAG, "update(uri=" + uri + ", values=" + values.toString() + ")"); } // Create a selection builder from Uri. final SelectionBuilder builder = buildSimpleSelection(uri, match); // Get the database and run the update SQLiteDatabase db = mOpenHelper.getWritableDatabase(); int count = builder.where(selection, selectionArgs).update(db, values); getContext().getContentResolver().notifyChange(uri, null); return count; }
/** Transactional implementation of applyBatch. */ @Override public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations) throws OperationApplicationException { ContentProviderResult[] result = new ContentProviderResult[operations.size()]; // Opens the database object in "write" mode. SQLiteDatabase db = mOpenHelper.getWritableDatabase(); // Begin a transaction db.beginTransaction(); try { int i = 0; for (ContentProviderOperation operation : operations) { // Chain the result for back references result[i++] = operation.apply(this, result, i); } db.setTransactionSuccessful(); } finally { db.endTransaction(); } return result; }