[tracker/wip/carlosg/rowid-type: 1/7] libtracker-data: Add specific TrackerRowid type

[Carlos Garnacho <carlosg src gnome org>]

commit e91bdd41f0eb750ff05cb9e3c2f9141c64a199c9
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Jan 16 13:11:17 2022 +0100

    libtracker-data: Add specific TrackerRowid type
    
    And add the helper functions so that it can be copied/freed, and
    used as a key in hash tables.
    
    Closes: https://gitlab.gnome.org/GNOME/tracker/-/issues/339

 src/libtracker-data/meson.build     |  1 +
 src/libtracker-data/tracker-rowid.c | 39 +++++++++++++++++++++++++++++++++++++
 src/libtracker-data/tracker-rowid.h | 38 ++++++++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+)
---
diff --git a/src/libtracker-data/meson.build b/src/libtracker-data/meson.build
index b367edd12..562c6f735 100644
--- a/src/libtracker-data/meson.build
+++ b/src/libtracker-data/meson.build
@@ -24,6 +24,7 @@ libtracker_data = static_library('tracker-data',
     'tracker-ontology.c',
     'tracker-ontologies.c',
     'tracker-property.c',
+    'tracker-rowid.c',
     'tracker-string-builder.c',
     'tracker-sparql-parser.c',
     'tracker-sparql-types.c',
diff --git a/src/libtracker-data/tracker-rowid.c b/src/libtracker-data/tracker-rowid.c
new file mode 100644
index 000000000..fc293f760
--- /dev/null
+++ b/src/libtracker-data/tracker-rowid.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 Red Hat Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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.
+ *
+ * Author: Carlos Garnacho <carlosg gnome org>
+ */
+
+#include "config.h"
+
+#include "tracker-rowid.h"
+
+G_DEFINE_BOXED_TYPE (TrackerRowid, tracker_rowid,
+                     tracker_rowid_copy, tracker_rowid_free)
+
+TrackerRowid *
+tracker_rowid_copy (TrackerRowid *rowid)
+{
+       return g_slice_dup (TrackerRowid, rowid);
+}
+
+void
+tracker_rowid_free (TrackerRowid *rowid)
+{
+       g_slice_free (TrackerRowid, rowid);
+}
diff --git a/src/libtracker-data/tracker-rowid.h b/src/libtracker-data/tracker-rowid.h
new file mode 100644
index 000000000..135588ecf
--- /dev/null
+++ b/src/libtracker-data/tracker-rowid.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 Red Hat Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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.
+ *
+ * Author: Carlos Garnacho <carlosg gnome org>
+ */
+
+#ifndef __TRACKER_ROWID_H__
+#define __TRACKER_ROWID_H__
+
+#include <glib-object.h>
+
+typedef gint64 TrackerRowid;
+
+#define TRACKER_ROWID_TYPE (tracker_rowid_get_type ());
+#define tracker_rowid_equal g_int64_equal
+#define tracker_rowid_hash g_int64_hash
+
+GType tracker_rowid_get_type (void) G_GNUC_CONST;
+
+TrackerRowid * tracker_rowid_copy (TrackerRowid *rowid);
+void tracker_rowid_free (TrackerRowid *rowid);
+
+#endif /* __TRACKER_ROWID_H__ */