X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fcomponent%2Fcomponent-class.h;h=6135343ec3505b54fff9ad9e15bc277c4f7bb5c5;hb=a67681c1f02f54bc1f708d449bceb35476024083;hp=d12a12022c0ee92ba41d41d0a6ffd5d721f7821c;hpb=33b34c437c354e1c065e33151135bc2e57e2e29c;p=babeltrace.git

diff --git a/include/babeltrace/component/component-class.h b/include/babeltrace/component/component-class.h
index d12a1202..6135343e 100644
--- a/include/babeltrace/component/component-class.h
+++ b/include/babeltrace/component/component-class.h
@@ -31,28 +31,70 @@
 extern "C" {
 #endif
 
+struct bt_component_class;
+
 /**
- * Component type.
+ * Component class type.
  */
-enum bt_component_type {
-	BT_COMPONENT_TYPE_UNKNOWN =	-1,
+enum bt_component_class_type {
+	BT_COMPONENT_CLASS_TYPE_UNKNOWN =	-1,
 
 	/** A source component is a notification generator. */
-	BT_COMPONENT_TYPE_SOURCE =	0,
+	BT_COMPONENT_CLASS_TYPE_SOURCE =	0,
 
 	/** A sink component handles incoming notifications. */
-	BT_COMPONENT_TYPE_SINK =	1,
+	BT_COMPONENT_CLASS_TYPE_SINK =		1,
 
 	/** A filter component implements both Source and Sink interfaces. */
-	BT_COMPONENT_TYPE_FILTER =	2,
+	BT_COMPONENT_CLASS_TYPE_FILTER =	2,
 };
 
-struct bt_plugin;
-struct bt_component_class;
+typedef enum bt_component_status (*bt_component_class_init_method)(
+		struct bt_component *component, struct bt_value *params,
+		void *init_method_data);
+
+typedef void (*bt_component_class_destroy_method)(struct bt_component *component);
+
+typedef enum bt_notification_iterator_status
+		(*bt_component_class_notification_iterator_init_method)(
+		struct bt_component *component,
+		struct bt_notification_iterator *iterator, void *init_method_data);
+
+typedef void (*bt_component_class_notification_iterator_destroy_method)(
+		struct bt_notification_iterator *iterator);
+
+typedef struct bt_notification *(*bt_component_class_notification_iterator_get_method)(
+		struct bt_notification_iterator *iterator);
+
+typedef enum bt_notification_iterator_status (*bt_component_class_notification_iterator_next_method)(
+		struct bt_notification_iterator *iterator);
+
+typedef enum bt_notification_iterator_status
+		(*bt_component_class_notification_iterator_seek_time_method)(
+		struct bt_notification_iterator *iterator, int64_t time);
+
+typedef struct bt_value *(*bt_component_class_query_method)(
+		struct bt_component_class *component_class,
+		const char *object, struct bt_value *params);
+
+extern int bt_component_class_set_init_method(
+		struct bt_component_class *component_class,
+		bt_component_class_init_method init_method);
 
-extern struct bt_component_class *bt_component_class_create(
-		enum bt_component_type type, const char *name,
-		const char *description, bt_component_init_cb init);
+extern int bt_component_class_set_destroy_method(
+		struct bt_component_class *component_class,
+		bt_component_class_destroy_method destroy_method);
+
+extern int bt_component_class_set_description(
+		struct bt_component_class *component_class,
+		const char *description);
+
+extern int bt_component_class_set_help(
+		struct bt_component_class *component_class,
+		const char *help);
+
+extern int bt_component_class_freeze(
+		struct bt_component_class *component_class);
 
 /**
  * Get a component class' name.
@@ -75,13 +117,28 @@ extern const char *bt_component_class_get_name(
 extern const char *bt_component_class_get_description(
 		struct bt_component_class *component_class);
 
+extern const char *bt_component_class_get_help(
+		struct bt_component_class *component_class);
+
+extern int bt_component_class_set_query_method(
+		struct bt_component_class *component_class,
+		bt_component_class_query_method query_method);
+
+extern struct bt_value *bt_component_class_query(
+		struct bt_component_class *component_class,
+		const char *object, struct bt_value *params);
+
 /**
  * Get a component class' type.
  *
  * @param component_class	Component class of which to get the type
  * @returns			One of #bt_component_type
  */
-extern enum bt_component_type bt_component_class_get_type(
+extern enum bt_component_class_type bt_component_class_get_type(
 		struct bt_component_class *component_class);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* BABELTRACE_COMPONENT_COMPONENT_CLASS_H */