[tracker/volume-mountpoints: 3/9] libtracker-miner: New tracker_miner_fs_query_urn() API method

[Aleksander Morgado <aleksm src gnome org>]

commit c70d5c8202663b435ad6d9edf7e820548d6f73df
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Thu Jul 15 10:21:31 2010 +0200

    libtracker-miner: New tracker_miner_fs_query_urn() API method

 .../libtracker-miner/libtracker-miner-sections.txt |    1 +
 src/libtracker-miner/tracker-miner-fs.c            |   32 ++++++++++++++++++++
 src/libtracker-miner/tracker-miner-fs.h            |    2 +
 3 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/libtracker-miner/libtracker-miner-sections.txt b/docs/reference/libtracker-miner/libtracker-miner-sections.txt
index 8b50b2f..e33626b 100644
--- a/docs/reference/libtracker-miner/libtracker-miner-sections.txt
+++ b/docs/reference/libtracker-miner/libtracker-miner-sections.txt
@@ -77,6 +77,7 @@ tracker_miner_fs_get_throttle
 tracker_miner_fs_force_recheck
 tracker_miner_fs_get_parent_urn
 tracker_miner_fs_get_urn
+tracker_miner_fs_query_urn
 <SUBSECTION Standard>
 TRACKER_MINER_FS
 TRACKER_IS_MINER_FS
diff --git a/src/libtracker-miner/tracker-miner-fs.c b/src/libtracker-miner/tracker-miner-fs.c
index 01bea25..642fe23 100644
--- a/src/libtracker-miner/tracker-miner-fs.c
+++ b/src/libtracker-miner/tracker-miner-fs.c
@@ -3549,6 +3549,7 @@ tracker_miner_fs_get_urn (TrackerMinerFS *fs,
 	g_return_val_if_fail (TRACKER_IS_MINER_FS (fs), NULL);
 	g_return_val_if_fail (G_IS_FILE (file), NULL);
 
+	/* Check if found in currently processed data */
 	data = process_data_find (fs, file, FALSE);
 
 	if (!data) {
@@ -3567,6 +3568,37 @@ tracker_miner_fs_get_urn (TrackerMinerFS *fs,
 }
 
 /**
+ * tracker_miner_fs_query_urn:
+ * @fs: a #TrackerMinerFS
+ * @file: a #GFile
+ *
+ * If the item exists in the store, this function retrieves
+ * the URN of the given #GFile
+
+ * If @file doesn't exist in the store yet, %NULL will be returned.
+ *
+ * Returns: A newly allocated string with the URN containing the data associated
+ *          to @file, or %NULL.
+ *
+ * Since: 0.9
+ **/
+gchar *
+tracker_miner_fs_query_urn (TrackerMinerFS *fs,
+                            GFile          *file)
+{
+	gchar *iri = NULL;
+
+	g_return_val_if_fail (TRACKER_IS_MINER_FS (fs), NULL);
+	g_return_val_if_fail (G_IS_FILE (file), NULL);
+
+	/* We don't really need to check the return value here, just
+	 * looking at the output iri is enough. */
+	item_query_exists (fs, file, &iri, NULL);
+
+	return iri;
+}
+
+/**
  * tracker_miner_fs_get_parent_urn:
  * @fs: a #TrackerMinerFS
  * @file: a #GFile obtained in #TrackerMinerFS::process-file
diff --git a/src/libtracker-miner/tracker-miner-fs.h b/src/libtracker-miner/tracker-miner-fs.h
index 8860442..33095d6 100644
--- a/src/libtracker-miner/tracker-miner-fs.h
+++ b/src/libtracker-miner/tracker-miner-fs.h
@@ -114,6 +114,8 @@ G_CONST_RETURN gchar *tracker_miner_fs_get_urn              (TrackerMinerFS *fs,
                                                              GFile          *file);
 G_CONST_RETURN gchar *tracker_miner_fs_get_parent_urn       (TrackerMinerFS *fs,
                                                              GFile          *file);
+gchar                *tracker_miner_fs_query_urn            (TrackerMinerFS *fs,
+                                                             GFile          *file);
 void                  tracker_miner_fs_force_recheck        (TrackerMinerFS *fs);
 
 void                  tracker_miner_fs_set_initial_crawling (TrackerMinerFS *fs,