[tracker/rss-enclosures] libtracker-sparql: Add async API

[Roberto Guido <rguido src gnome org>]

commit ac8638e7942ab7e06b3dab1399d379ca4775013a
Author: Jürg Billeter <j bitron ch>
Date:   Tue Jul 13 14:42:27 2010 +0200

    libtracker-sparql: Add async API

 src/libtracker-sparql/tracker-connection.vala |    3 ++-
 src/libtracker-sparql/tracker-cursor.vala     |    1 +
 2 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-sparql/tracker-connection.vala b/src/libtracker-sparql/tracker-connection.vala
index f576d5c..f774b2c 100644
--- a/src/libtracker-sparql/tracker-connection.vala
+++ b/src/libtracker-sparql/tracker-connection.vala
@@ -18,5 +18,6 @@
  */
 
 public abstract class Tracker.Sparql.Connection : Object {
-	public abstract Cursor query (string sparql) throws GLib.Error;
+	public abstract Cursor query (string sparql, Cancellable? cancellable = null) throws GLib.Error;
+	public async abstract Cursor query_async (string sparql, Cancellable? cancellable = null) throws GLib.Error;
 }
diff --git a/src/libtracker-sparql/tracker-cursor.vala b/src/libtracker-sparql/tracker-cursor.vala
index bc69ba3..8aac0ed 100644
--- a/src/libtracker-sparql/tracker-cursor.vala
+++ b/src/libtracker-sparql/tracker-cursor.vala
@@ -23,5 +23,6 @@ public abstract class Tracker.Sparql.Cursor : Object {
 	public abstract unowned string get_string (int column, out int length = null);
 
 	public abstract bool next (Cancellable? cancellable = null) throws GLib.Error;
+	public async abstract bool next_async (Cancellable? cancellable = null) throws GLib.Error;
 	public abstract void rewind ();
 }