[tracker/anonymous-file-nodes: 2/4] TrackerMinerFiles: Create anonymous nodes for files.

[Carlos Garnacho <carlosg src gnome org>]

commit 6ba01f209fd5aecd1185c8a1c4b4ced8f479d65b
Author: Carlos Garnacho <carlos lanedo com>
Date:   Thu Jan 21 15:27:03 2010 +0100

    TrackerMinerFiles: Create anonymous nodes for files.

 src/tracker-miner-fs/tracker-miner-files.c |   44 +++++++++++++++++-----------
 1 files changed, 27 insertions(+), 17 deletions(-)
---
diff --git a/src/tracker-miner-fs/tracker-miner-files.c b/src/tracker-miner-fs/tracker-miner-files.c
index a271e47..85b6bcd 100644
--- a/src/tracker-miner-fs/tracker-miner-files.c
+++ b/src/tracker-miner-fs/tracker-miner-files.c
@@ -481,8 +481,11 @@ set_up_mount_point (TrackerMinerFiles *miner,
 			uri = g_file_get_uri (file);
 
 			g_string_append_printf (queries,
-			                        "DROP GRAPH <%s>\n "
-			                        "INSERT INTO <%s> { <%s> a tracker:Volume; tracker:mountPoint <%s> } ",
+			                        "DROP GRAPH <%s> "
+			                        "INSERT INTO <%s> { "
+                                                "  <%s> a tracker:Volume; "
+                                                "       tracker:mountPoint [ a rdfs:Resource ; nie:url \"%s\" ] "
+                                                "} ",
 			                        removable_device_urn, removable_device_urn, removable_device_urn, uri);
 
 			g_object_unref (file);
@@ -1193,7 +1196,7 @@ miner_files_add_to_datasource (TrackerMinerFiles    *mf,
 		removable_device_urn = g_strdup (TRACKER_NON_REMOVABLE_MEDIA_DATASOURCE_URN);
 	}
 
-	tracker_sparql_builder_subject_iri (sparql, uri);
+	tracker_sparql_builder_subject (sparql, "_:foo");
 	tracker_sparql_builder_predicate (sparql, "a");
 	tracker_sparql_builder_object (sparql, "nfo:FileDataObject");
 
@@ -1342,11 +1345,17 @@ process_file_cb (GObject      *object,
 	uri = g_file_get_uri (file);
 	mime_type = g_file_info_get_content_type (file_info);
 
-	tracker_sparql_builder_insert_open (sparql, uri);
+	tracker_sparql_builder_insert_open (sparql, NULL);
+
+	tracker_sparql_builder_subject (sparql, "_:foo");
 
-	tracker_sparql_builder_subject_iri (sparql, uri);
 	tracker_sparql_builder_predicate (sparql, "a");
 	tracker_sparql_builder_object (sparql, "nfo:FileDataObject");
+	tracker_sparql_builder_object (sparql, "nie:InformationElement");
+
+	if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY) {
+		tracker_sparql_builder_object (sparql, "nfo:Folder");
+	}
 
 	parent = g_file_get_parent (file);
 	if (parent) {
@@ -1371,14 +1380,6 @@ process_file_cb (GObject      *object,
 	tracker_sparql_builder_predicate (sparql, "nfo:fileLastAccessed");
 	tracker_sparql_builder_object_date (sparql, (time_t *) &time_);
 
-	tracker_sparql_builder_subject_iri (sparql, uri); /* Change to URN */
-	tracker_sparql_builder_predicate (sparql, "a");
-	tracker_sparql_builder_object (sparql, "nie:InformationElement");
-
-	if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY) {
-		tracker_sparql_builder_object (sparql, "nfo:Folder");
-	}
-
 	/* Laying the link between the IE and the DO. We use IE = DO */
 	tracker_sparql_builder_predicate (sparql, "nie:isStoredAs");
 	tracker_sparql_builder_object_iri (sparql, uri);
@@ -1475,9 +1476,9 @@ miner_files_writeback_file (TrackerMinerFS       *fs,
 	/* For writeback we only write a few properties back. These properties
 	 * should NEVER be marked as tracker:writeback in the ontology ! */
 
-	tracker_sparql_builder_insert_open (sparql, uri);
+	tracker_sparql_builder_insert_open (sparql, NULL);
 
-	tracker_sparql_builder_subject_iri (sparql, uri);
+	tracker_sparql_builder_subject_variable (sparql, "urn");
 	tracker_sparql_builder_predicate (sparql, "a");
 	tracker_sparql_builder_object (sparql, "nfo:FileDataObject");
 
@@ -1495,11 +1496,20 @@ miner_files_writeback_file (TrackerMinerFS       *fs,
 	tracker_sparql_builder_predicate (sparql, "nie:mimeType");
 	tracker_sparql_builder_object_string (sparql, mime_type);
 
+	tracker_sparql_builder_insert_close (sparql);
+
+	tracker_sparql_builder_where_open (sparql);
+
+	tracker_sparql_builder_subject_variable (sparql, "urn");
+	tracker_sparql_builder_predicate (sparql, "nie:url");
+	tracker_sparql_builder_object_string (sparql, uri);
+
+	tracker_sparql_builder_where_close (sparql);
+
+
 	g_object_unref (file_info);
 	g_free (uri);
 
-	tracker_sparql_builder_insert_close (sparql);
-
 	return TRUE;
 }