examples: Drop class-signal example code

This example essentially demonstrates GraphUpdated DBus signals, which
are deemed an internal API detail. An example using TrackerNotifier might
be useful, but this code isn't much salvageable to be repurposed.

2 files changed, 0 insertions, 121 deletions

diff --git a/examples/libtracker-sparql/class-signal.c b/examples/libtracker-sparql/class-signal.c
deleted file mode 100644
index 5fda3286e..000000000
--- a/examples/libtracker-sparql/class-signal.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (C) 2009, Nokia <ivan.frade@nokia.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.          See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA  02110-1301, USA.
- */
-
-#include <gio/gio.h>
-
-#include <libtracker-sparql/tracker-sparql.h>
-
-static TrackerSparqlConnection *con;
-
-static void
-handle_statement (gint subject, gint predicate)
-{
-	gchar *query, *pred;
-	TrackerSparqlCursor *cursor;
-
-	query = g_strdup_printf ("SELECT tracker:uri (%d) tracker:uri(%d) {}",
-	                         subject, predicate);
-	cursor = tracker_sparql_connection_query (con, query, NULL, NULL);
-	g_free (query);
-
-	if (!cursor || !tracker_sparql_cursor_next (cursor, NULL, NULL))
-		return;
-
-	pred = g_strdup (tracker_sparql_cursor_get_string (cursor, 1, NULL));
-	query = g_strdup_printf ("SELECT ?t { <%s> <%s> ?t }",
-	                         tracker_sparql_cursor_get_string (cursor, 0, NULL),
-	                         pred);
-	g_object_unref (cursor);
-
-	cursor = tracker_sparql_connection_query (con, query, NULL, NULL);
-	g_free (query);
-
-	if (!cursor)
-		return;
-
-	while (tracker_sparql_cursor_next (cursor, NULL, NULL))
-		g_print ("\t%s = %s\n", pred, tracker_sparql_cursor_get_string (cursor, 0, NULL));
-	g_print ("\n");
-	g_free (pred);
-	g_object_unref (cursor);
-}
-
-static void
-class_signal_cb (GDBusConnection *connection,
-                 const gchar     *sender_name,
-                 const gchar     *object_path,
-                 const gchar     *interface_name,
-                 const gchar     *signal_name,
-                 GVariant        *parameters,
-                 gpointer         user_data)
-
-{
-	GVariantIter *iter1, *iter2;
-	gchar *class_name;
-	gint graph = 0, subject = 0, predicate = 0, object = 0;
-
-	g_variant_get (parameters, "(&sa(iiii)a(iiii))", &class_name, &iter1, &iter2);
-	g_print ("%s:\n", class_name);
-
-	while (g_variant_iter_loop (iter1, "(iiii)", &graph, &subject, &predicate, &object)) {
-		handle_statement (subject, predicate);
-	}
-
-	while (g_variant_iter_loop (iter2, "(iiii)", &graph, &subject, &predicate, &object)) {
-		handle_statement (subject, predicate);
-	}
-
-	g_variant_iter_free (iter1);
-	g_variant_iter_free (iter2);
-}
-
-gint
-main (gint argc, gchar *argv[])
-{
-	GMainLoop *loop;
-	GError *error = NULL;
-	GDBusConnection *connection;
-	guint signal_id;
-
-	loop = g_main_loop_new (NULL, FALSE);
-	con = tracker_sparql_connection_get (NULL, &error);
-	connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
-
-	signal_id = g_dbus_connection_signal_subscribe (connection,
-	                                                TRACKER_DBUS_SERVICE,
-	                                                TRACKER_DBUS_INTERFACE_RESOURCES,
-	                                                "GraphUpdated",
-	                                                TRACKER_DBUS_OBJECT_RESOURCES,
-	                                                NULL, /* Use class-name here */
-	                                                G_DBUS_SIGNAL_FLAGS_NONE,
-	                                                class_signal_cb,
-	                                                NULL,
-	                                                NULL);
-
-	g_main_loop_run (loop);
-	g_dbus_connection_signal_unsubscribe (connection, signal_id);
-	g_main_loop_unref (loop);
-	g_object_unref (con);
-	g_object_unref (connection);
-
-	return 0;
-}
diff --git a/examples/libtracker-sparql/meson.build b/examples/libtracker-sparql/meson.build
index 6e481792f..f0e40806c 100644
--- a/examples/libtracker-sparql/meson.build
+++ b/examples/libtracker-sparql/meson.build
@@ -2,6 +2,3 @@ executable('async-connection', 'async-connection.c',
     dependencies: [tracker_common_dep, tracker_sparql_dep]
 )
 
-executable('class-signal', 'class-signal.c',
-    dependencies: [tracker_common_dep, tracker_sparql_dep]
-)