/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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"

/**
 * A datasource that may load asynchronously
 */
[scriptable, uuid(1D297320-27F7-11d3-BE01-000064657374)]
interface nsIRDFRemoteDataSource : nsISupports
{
    /**
     * This value is <code>true</code> when the datasource has
     * fully loaded itself.
     */
    readonly attribute boolean loaded;

    /**
     * Specify the URI for the data source: this is the prefix
     * that will be used to register the data source in the
     * data source registry.
     * @param aURI the URI to load
     */
    void Init(in string aURI);

    /**
     * Refresh the remote datasource, re-loading its contents
     * from the URI.
     *
     * @param aBlocking If <code>true</code>, the call will block
     * until the datasource has completely reloaded.
     */
    void Refresh(in boolean aBlocking);

    /**
     * Request that a data source write its contents out to 
     * permanent storage, if applicable.
     */
    void Flush();
    void FlushTo(in string aURI);
};