X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=src%2Flib%2Fgraph%2Fcomponent-class.h;h=5974d832a9a9ecc0cfee298f4f4a4fd2f8c1378d;hp=2b4b9454f4cd9eb1ca64a03f8db86ee8596d935e;hb=41a3efcdbbdd863c3a10a9aefa8d725d3257d77c;hpb=a3f0c7db90f4cfc81090a83a7442b7bc624d5789

diff --git a/src/lib/graph/component-class.h b/src/lib/graph/component-class.h
index 2b4b9454..5974d832 100644
--- a/src/lib/graph/component-class.h
+++ b/src/lib/graph/component-class.h
@@ -64,8 +64,13 @@ struct bt_component_class {
 	struct bt_plugin_so_shared_lib_handle *so_handle;
 };
 
-struct bt_component_class_source {
+struct bt_component_class_with_iterator_class {
 	struct bt_component_class parent;
+	bt_message_iterator_class *msg_iter_cls;
+};
+
+struct bt_component_class_source {
+	struct bt_component_class_with_iterator_class parent;
 	struct {
 		bt_component_class_source_get_supported_mip_versions_method get_supported_mip_versions;
 		bt_component_class_source_initialize_method init;
@@ -73,7 +78,18 @@ struct bt_component_class_source {
 		bt_component_class_source_query_method query;
 		bt_component_class_source_output_port_connected_method output_port_connected;
 	} methods;
-	bt_message_iterator_class *msg_iter_cls;
+};
+
+struct bt_component_class_filter {
+	struct bt_component_class_with_iterator_class parent;
+	struct {
+		bt_component_class_filter_get_supported_mip_versions_method get_supported_mip_versions;
+		bt_component_class_filter_initialize_method init;
+		bt_component_class_filter_finalize_method finalize;
+		bt_component_class_filter_query_method query;
+		bt_component_class_filter_input_port_connected_method input_port_connected;
+		bt_component_class_filter_output_port_connected_method output_port_connected;
+	} methods;
 };
 
 struct bt_component_class_sink {
@@ -89,19 +105,6 @@ struct bt_component_class_sink {
 	} methods;
 };
 
-struct bt_component_class_filter {
-	struct bt_component_class parent;
-	struct {
-		bt_component_class_filter_get_supported_mip_versions_method get_supported_mip_versions;
-		bt_component_class_filter_initialize_method init;
-		bt_component_class_filter_finalize_method finalize;
-		bt_component_class_filter_query_method query;
-		bt_component_class_filter_input_port_connected_method input_port_connected;
-		bt_component_class_filter_output_port_connected_method output_port_connected;
-	} methods;
-	bt_message_iterator_class *msg_iter_cls;
-};
-
 BT_HIDDEN
 void bt_component_class_add_destroy_listener(struct bt_component_class *class,
 		bt_component_class_destroy_listener_func func, void *data);
@@ -131,4 +134,12 @@ const char *bt_component_class_type_string(enum bt_component_class_type type)
 	}
 }
 
+static inline
+bool bt_component_class_has_message_iterator_class(
+	struct bt_component_class *component_class)
+{
+	return component_class->type == BT_COMPONENT_CLASS_TYPE_SOURCE ||
+		component_class->type == BT_COMPONENT_CLASS_TYPE_FILTER;
+}
+
 #endif /* BABELTRACE_GRAPH_COMPONENT_CLASS_INTERNAL_H */