[tracker/binary-log-2: 37/47] libtracker-data: Make sure to use the right IDs when replaying journal

[Jürg Billeter <juergbi src gnome org>]

commit 379826e7bbe1b98123c788e771ed9a2ebcd8fecf
Author: Jürg Billeter <j bitron ch>
Date:   Thu Jan 7 14:35:44 2010 +0100

    libtracker-data: Make sure to use the right IDs when replaying journal

 src/libtracker-data/tracker-data-manager.c |  143 +++++++++++++---------------
 1 files changed, 66 insertions(+), 77 deletions(-)
---
diff --git a/src/libtracker-data/tracker-data-manager.c b/src/libtracker-data/tracker-data-manager.c
index c82eb1b..9dc2b75 100644
--- a/src/libtracker-data/tracker-data-manager.c
+++ b/src/libtracker-data/tracker-data-manager.c
@@ -67,9 +67,11 @@ static gboolean            in_journal_replay;
 
 static void
 load_ontology_statement (const gchar *ontology_file,
+                         guint32      subject_id,
                          const gchar *subject,
                          const gchar *predicate,
-                         const gchar *object)
+                         const gchar *object,
+                         guint32     *max_id)
 {
 	if (g_strcmp0 (predicate, RDF_TYPE) == 0) {
 		if (g_strcmp0 (object, RDFS_CLASS) == 0) {
@@ -80,9 +82,15 @@ load_ontology_statement (const gchar *ontology_file,
 				return;
 			}
 
+			if (max_id) {
+				subject_id = ++(*max_id);
+			}
+
 			class = tracker_class_new ();
 			tracker_class_set_uri (class, subject);
+			tracker_class_set_id (class, subject_id);
 			tracker_ontology_add_class (class);
+			tracker_ontology_add_id_uri_pair (subject_id, subject);
 			g_object_unref (class);
 		} else if (g_strcmp0 (object, RDF_PROPERTY) == 0) {
 			TrackerProperty *property;
@@ -92,9 +100,15 @@ load_ontology_statement (const gchar *ontology_file,
 				return;
 			}
 
+			if (max_id) {
+				subject_id = ++(*max_id);
+			}
+
 			property = tracker_property_new ();
 			tracker_property_set_uri (property, subject);
+			tracker_property_set_id (property, subject_id);
 			tracker_ontology_add_property (property);
+			tracker_ontology_add_id_uri_pair (subject_id, subject);
 			g_object_unref (property);
 		} else if (g_strcmp0 (object, NRL_INVERSE_FUNCTIONAL_PROPERTY) == 0) {
 			TrackerProperty *property;
@@ -259,7 +273,8 @@ load_ontology_statement (const gchar *ontology_file,
 }
 
 static void
-load_ontology_file_from_path (const gchar        *ontology_file)
+load_ontology_file_from_path (const gchar        *ontology_file,
+                              guint32            *max_id)
 {
 	TrackerTurtleReader *reader;
 	GError              *error = NULL;
@@ -278,7 +293,7 @@ load_ontology_file_from_path (const gchar        *ontology_file)
 		predicate = tracker_turtle_reader_get_predicate (reader);
 		object = tracker_turtle_reader_get_object (reader);
 
-		load_ontology_statement (ontology_file, subject, predicate, object);
+		load_ontology_statement (ontology_file, 0, subject, predicate, object, max_id);
 	}
 
 	g_object_unref (reader);
@@ -290,12 +305,13 @@ load_ontology_file_from_path (const gchar        *ontology_file)
 }
 
 static void
-load_ontology_file (const gchar               *filename)
+load_ontology_file (const gchar               *filename,
+                    guint32                   *max_id)
 {
 	gchar           *ontology_file;
 
 	ontology_file = g_build_filename (ontologies_dir, filename, NULL);
-	load_ontology_file_from_path (ontology_file);
+	load_ontology_file_from_path (ontology_file, max_id);
 	g_free (ontology_file);
 }
 
@@ -335,10 +351,12 @@ load_ontology_from_journal (void)
 			subject = g_hash_table_lookup (id_uri_map, GUINT_TO_POINTER (subject_id));
 			predicate = g_hash_table_lookup (id_uri_map, GUINT_TO_POINTER (predicate_id));
 
-			load_ontology_statement ("journal", subject, predicate, object);
+			load_ontology_statement ("journal", subject_id, subject, predicate, object, NULL);
 		}
 	}
 
+	g_hash_table_unref (id_uri_map);
+
 	return id_uri_map;
 }
 
@@ -691,14 +709,11 @@ db_get_static_data (TrackerDBInterface *iface)
 
 
 static void
-insert_uri_in_resource_table (TrackerDBInterface *iface, 
-                              const gchar *uri, 
-                              gint *max_id,
-                              TrackerClass *class,
-                              TrackerProperty *property)
+insert_uri_in_resource_table (TrackerDBInterface *iface,
+                              const gchar        *uri,
+                              guint32             id)
 {
 	TrackerDBStatement *stmt;
-	gint id = ++(*max_id);
 	GError *error = NULL;
 
 	stmt = tracker_db_interface_create_statement (iface,
@@ -721,14 +736,6 @@ insert_uri_in_resource_table (TrackerDBInterface *iface,
 		tracker_db_journal_append_resource (id, uri);
 	}
 
-	tracker_ontology_add_id_uri_pair (id, uri);
-
-	if (class)
-		tracker_class_set_id (class, id);
-
-	if (property)
-		tracker_property_set_id (property, id);
-
 	g_object_unref (stmt);
 
 }
@@ -938,6 +945,40 @@ create_fts_table (TrackerDBInterface *iface)
 	g_free (query);
 }
 
+static void
+import_ontology_into_db (void)
+{
+	TrackerDBInterface *iface;
+
+	TrackerClass **classes;
+	TrackerProperty **properties;
+	guint i, n_props, n_classes;
+
+	iface = tracker_db_manager_get_db_interface ();
+
+	classes = tracker_ontology_get_classes (&n_classes);
+	properties = tracker_ontology_get_properties (&n_props);
+
+	/* create tables */
+	for (i = 0; i < n_classes; i++) {
+		create_decomposed_metadata_tables (iface, classes[i]);
+	}
+
+	create_fts_table (iface);
+
+	/* insert classes into rdfs:Resource table */
+	for (i = 0; i < n_classes; i++) {
+		insert_uri_in_resource_table (iface, tracker_class_get_uri (classes[i]),
+		                              tracker_class_get_id (classes[i]));
+	}
+
+	/* insert properties into rdfs:Resource table */
+	for (i = 0; i < n_props; i++) {
+		insert_uri_in_resource_table (iface, tracker_property_get_uri (properties[i]),
+		                              tracker_property_get_id (properties[i]));
+	}
+}
+
 gboolean
 tracker_data_manager_init (TrackerDBManagerFlags  flags,
                            const gchar           *test_schema,
@@ -978,41 +1019,13 @@ tracker_data_manager_init (TrackerDBManagerFlags  flags,
 	}
 
 	if (read_journal) {
-		TrackerClass **classes;
-		TrackerProperty **properties;
-		gint max_id = 0;
-		guint i, n_props, n_classes;
-
 		in_journal_replay = TRUE;
 
 		/* load ontology from journal into memory */
-		/*id_uri_map =*/ load_ontology_from_journal ();
-
-		classes = tracker_ontology_get_classes (&n_classes);
+		load_ontology_from_journal ();
 
 		tracker_data_begin_replay_transaction ();
-
-		/* create tables */
-		for (i = 0; i < n_classes; i++) {
-			create_decomposed_metadata_tables (iface, classes[i]);
-		}
-
-		create_fts_table (iface);
-
-		/* insert classes into rdfs:Resource table */
-		for (i = 0; i < n_classes; i++) {
-			insert_uri_in_resource_table (iface, tracker_class_get_uri (classes[i]),
-				                      &max_id, classes[i], NULL);
-		}
-
-		/* insert properties into rdfs:Resource table */
-		properties = tracker_ontology_get_properties (&n_props);
-
-		for (i = 0; i < n_props; i++) {
-			insert_uri_in_resource_table (iface, tracker_property_get_uri (properties[i]),
-			                              &max_id, NULL, properties[i]);
-		}
-
+		import_ontology_into_db ();
 		tracker_data_commit_transaction ();
 
 		tracker_db_journal_reader_shutdown ();
@@ -1024,14 +1037,11 @@ tracker_data_manager_init (TrackerDBManagerFlags  flags,
 		/* open journal for writing */
 		tracker_db_journal_init (NULL);
 	} else if (is_first_time_index) {
-		TrackerClass **classes;
-		TrackerProperty **properties;
 		gint max_id = 0;
 		GList *sorted = NULL, *l;
 		gchar *test_schema_path = NULL;
 		const gchar *env_path;
 		GError *error = NULL;
-		guint i, n_props, n_classes;
 
 		env_path = g_getenv ("TRACKER_DB_ONTOLOGIES_DIR");
 
@@ -1077,40 +1087,19 @@ tracker_data_manager_init (TrackerDBManagerFlags  flags,
 		/* load ontology from files into memory */
 		for (l = sorted; l; l = l->next) {
 			g_debug ("Loading ontology %s", (char *) l->data);
-			load_ontology_file (l->data);
+			load_ontology_file (l->data, &max_id);
 		}
 
 		if (test_schema) {
 			g_debug ("Loading ontology:'%s' (TEST ONTOLOGY)", test_schema_path);
 
-			load_ontology_file_from_path (test_schema_path);
+			load_ontology_file_from_path (test_schema_path, &max_id);
 		}
 
-		classes = tracker_ontology_get_classes (&n_classes);
-
 		tracker_data_begin_transaction ();
 		tracker_db_journal_start_transaction ();
 
-		/* create tables */
-		for (i = 0; i < n_classes; i++) {
-			create_decomposed_metadata_tables (iface, classes[i]);
-		}
-
-		create_fts_table (iface);
-
-		/* insert classes into rdfs:Resource table */
-		for (i = 0; i < n_classes; i++) {
-			insert_uri_in_resource_table (iface, tracker_class_get_uri (classes[i]),
-				                      &max_id, classes[i], NULL);
-		}
-
-		/* insert properties into rdfs:Resource table */
-		properties = tracker_ontology_get_properties (&n_props);
-
-		for (i = 0; i < n_props; i++) {
-			insert_uri_in_resource_table (iface, tracker_property_get_uri (properties[i]),
-			                              &max_id, NULL, properties[i]);
-		}
+		import_ontology_into_db ();
 
 		/* store ontology in database */
 		for (l = sorted; l; l = l->next) {