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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-07-23 09:06:59 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-07-23 09:06:59 +0200
commit4ea2cc3bd4a7d9b1c54a9d33e6a1cf82e7c8c21d (patch)
treed2e54377d14d604356c86862a326f64ae64dadd6 /plugins/shotwell-data-imports/FSpotDatabaseBehavior.vala
Imported Upstream version 0.18.1upstream/0.18.1
Diffstat (limited to 'plugins/shotwell-data-imports/FSpotDatabaseBehavior.vala')
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diff --git a/plugins/shotwell-data-imports/FSpotDatabaseBehavior.vala b/plugins/shotwell-data-imports/FSpotDatabaseBehavior.vala
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+/* Copyright 2011-2014 Yorba Foundation
+ *
+ * This software is licensed under the GNU Lesser General Public License
+ * (version 2.1 or later). See the COPYING file in this distribution.
+ */
+
+namespace DataImports.FSpot.Db {
+
+private class FSpotBehaviorEntry {
+ private Utils.VersionNumber version;
+ private FSpotTableBehavior behavior;
+
+ public FSpotBehaviorEntry(Utils.VersionNumber version, FSpotTableBehavior behavior) {
+ this.version = version;
+ this.behavior = behavior;
+ }
+
+ public Utils.VersionNumber get_version() {
+ return version;
+ }
+
+ public FSpotTableBehavior get_behavior() {
+ return behavior;
+ }
+}
+
+/**
+ * A class that consolidates the behavior of all F-Spot tables (apart from meta)
+ * and is the one place to check whether the database version is supported.
+ */
+public class FSpotDatabaseBehavior : Object {
+ // Minimum unsupported version: any database from that version and above
+ // is not supported as it's too new and support has not been provided
+ // In practice, the code may work with future versions but this cannot be
+ // guaranteed as it hasn't been tested so it's probably better to just
+ // bomb out at that point rather than risk importing incorrect data
+ public static Utils.VersionNumber MIN_UNSUPPORTED_VERSION =
+ new Utils.VersionNumber({ 19 });
+ private static Gee.Map<string, Gee.List<FSpotBehaviorEntry>> behavior_map;
+
+ private FSpotTableBehavior<FSpotPhotoRow> photos_behavior;
+ private FSpotTableBehavior<FSpotTagRow> tags_behavior;
+ private FSpotTableBehavior<FSpotPhotoTagRow> photo_tags_behavior;
+ private FSpotTableBehavior<FSpotPhotoVersionRow> photo_versions_behavior;
+ private FSpotTableBehavior<FSpotRollRow> rolls_behavior;
+
+ public static void create_behavior_map() {
+ behavior_map = new Gee.HashMap<string, Gee.List<FSpotBehaviorEntry>>();
+ // photos table
+ Gee.List<FSpotBehaviorEntry> photos_list = new Gee.ArrayList<FSpotBehaviorEntry>();
+ // v0-4
+ photos_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 0 }),
+ FSpotPhotosV0Behavior.get_instance()
+ ));
+ // v5-6
+ photos_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 5 }),
+ FSpotPhotosV5Behavior.get_instance()
+ ));
+ // v7-10
+ photos_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 7 }),
+ FSpotPhotosV7Behavior.get_instance()
+ ));
+ // v11-15
+ photos_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 11 }),
+ FSpotPhotosV11Behavior.get_instance()
+ ));
+ // v16
+ photos_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 16 }),
+ FSpotPhotosV16Behavior.get_instance()
+ ));
+ // v17
+ photos_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 17 }),
+ FSpotPhotosV17Behavior.get_instance()
+ ));
+ // v18+
+ photos_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 18 }),
+ FSpotPhotosV18Behavior.get_instance()
+ ));
+ behavior_map.set(FSpotPhotosTable.TABLE_NAME, photos_list);
+ // tags table
+ Gee.List<FSpotBehaviorEntry> tags_list = new Gee.ArrayList<FSpotBehaviorEntry>();
+ // v0+
+ tags_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 0 }),
+ FSpotTagsV0Behavior.get_instance()
+ ));
+ behavior_map.set(FSpotTagsTable.TABLE_NAME, tags_list);
+ // photo_tags table
+ Gee.List<FSpotBehaviorEntry> photo_tags_list = new Gee.ArrayList<FSpotBehaviorEntry>();
+ // v0+
+ photo_tags_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 0 }),
+ FSpotPhotoTagsV0Behavior.get_instance()
+ ));
+ behavior_map.set(FSpotPhotoTagsTable.TABLE_NAME, photo_tags_list);
+ // photo_versions table
+ Gee.List<FSpotBehaviorEntry> photo_versions_list = new Gee.ArrayList<FSpotBehaviorEntry>();
+ // v0-8
+ photo_versions_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 0 }),
+ FSpotPhotoVersionsV0Behavior.get_instance()
+ ));
+ // v9-15
+ photo_versions_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 9 }),
+ FSpotPhotoVersionsV9Behavior.get_instance()
+ ));
+ // v16
+ photo_versions_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 16 }),
+ FSpotPhotoVersionsV16Behavior.get_instance()
+ ));
+ // v17
+ photo_versions_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 17 }),
+ FSpotPhotoVersionsV17Behavior.get_instance()
+ ));
+ // v18+
+ photo_versions_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 18 }),
+ FSpotPhotoVersionsV18Behavior.get_instance()
+ ));
+ behavior_map.set(FSpotPhotoVersionsTable.TABLE_NAME, photo_versions_list);
+ // rolls table
+ Gee.List<FSpotBehaviorEntry> rolls_list = new Gee.ArrayList<FSpotBehaviorEntry>();
+ // v0-4
+ rolls_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 0 }),
+ FSpotRollsV0Behavior.get_instance()
+ ));
+ // v5+
+ rolls_list.add(new FSpotBehaviorEntry(
+ new Utils.VersionNumber({ 5 }),
+ FSpotRollsV5Behavior.get_instance()
+ ));
+ behavior_map.set(FSpotRollsTable.TABLE_NAME, rolls_list);
+ }
+
+ public static FSpotTableBehavior? find_behavior(string table_name, Utils.VersionNumber version) {
+ FSpotTableBehavior behavior = null;
+ Gee.List<FSpotBehaviorEntry> behavior_list = behavior_map.get(table_name);
+ if (behavior_list != null)
+ foreach (FSpotBehaviorEntry entry in behavior_list) {
+ if (version.compare_to(entry.get_version()) >= 0)
+ behavior = entry.get_behavior();
+ }
+ else
+ warning("Could not find behavior list for table %s", table_name);
+ return behavior;
+
+ }
+ public FSpotDatabaseBehavior(Utils.VersionNumber version) throws Spit.DataImports.DataImportError {
+ if (version.compare_to(MIN_UNSUPPORTED_VERSION) >= 0)
+ throw new Spit.DataImports.DataImportError.UNSUPPORTED_VERSION("Version %s is not yet supported", version.to_string());
+
+ FSpotTableBehavior? photos_generic_behavior = find_behavior(FSpotPhotosTable.TABLE_NAME, version);
+ if (photos_generic_behavior != null)
+ photos_behavior = photos_generic_behavior as FSpotTableBehavior<FSpotPhotoRow>;
+ FSpotTableBehavior? tags_generic_behavior = find_behavior(FSpotTagsTable.TABLE_NAME, version);
+ if (tags_generic_behavior != null)
+ tags_behavior = tags_generic_behavior as FSpotTableBehavior<FSpotTagRow>;
+ FSpotTableBehavior? photo_tags_generic_behavior = find_behavior(FSpotPhotoTagsTable.TABLE_NAME, version);
+ if (photo_tags_generic_behavior != null)
+ photo_tags_behavior = photo_tags_generic_behavior as FSpotTableBehavior<FSpotPhotoTagRow>;
+ FSpotTableBehavior? photo_versions_generic_behavior = find_behavior(FSpotPhotoVersionsTable.TABLE_NAME, version);
+ if (photo_versions_generic_behavior != null)
+ photo_versions_behavior = photo_versions_generic_behavior as FSpotTableBehavior<FSpotPhotoVersionRow>;
+ FSpotTableBehavior? rolls_generic_behavior = find_behavior(FSpotRollsTable.TABLE_NAME, version);
+ if (rolls_generic_behavior != null)
+ rolls_behavior = rolls_generic_behavior as FSpotTableBehavior<FSpotRollRow>;
+
+ if (photos_behavior == null || tags_behavior == null ||
+ photo_tags_behavior == null || photo_versions_behavior == null ||
+ rolls_behavior == null
+ )
+ throw new Spit.DataImports.DataImportError.UNSUPPORTED_VERSION("Version %s is not supported", version.to_string());
+ }
+
+ public FSpotTableBehavior<FSpotPhotoRow> get_photos_behavior() {
+ return photos_behavior;
+ }
+
+ public FSpotTableBehavior<FSpotTagRow> get_tags_behavior() {
+ return tags_behavior;
+ }
+
+ public FSpotTableBehavior<FSpotPhotoTagRow> get_photo_tags_behavior() {
+ return photo_tags_behavior;
+ }
+
+ public FSpotTableBehavior<FSpotPhotoVersionRow> get_photo_versions_behavior() {
+ return photo_versions_behavior;
+ }
+
+ public FSpotTableBehavior<FSpotRollRow> get_rolls_behavior() {
+ return rolls_behavior;
+ }
+}
+
+}
+