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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface mozIStorageResultSet;
interface mozIStorageError;
[scriptable, uuid(29383d00-d8c4-4ddd-9f8b-c2feb0f2fcfa)]
interface mozIStorageStatementCallback : nsISupports {
/**
* Called when some result is obtained from the database. This function can
* be called more than once with a different storageIResultSet each time for
* any given asynchronous statement.
*
* @param aResultSet
* The result set containing the data from the database.
*/
void handleResult(in mozIStorageResultSet aResultSet);
/**
* Called when some error occurs while executing the statement. This function
* may be called more than once with a different storageIError each time for
* any given asynchronous statement.
*
* @param aError
* An object containing information about the error.
*/
void handleError(in mozIStorageError aError);
/**
* Called when the statement has finished executing. This function will only
* be called once for any given asynchronous statement.
*
* @param aReason
* Indicates if the statement is no longer executing because it either
* finished (REASON_FINISHED), was canceled (REASON_CANCELED), or
* a fatal error occurred (REASON_ERROR).
*/
const unsigned short REASON_FINISHED = 0;
const unsigned short REASON_CANCELED = 1;
const unsigned short REASON_ERROR = 2;
void handleCompletion(in unsigned short aReason);
};
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