apache / skywalking-showcase - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 20 units with 186 lines of code in units (2.7% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
0 medium complex units (0 lines of code)
1 simple units (26 lines of code)
19 very simple units (160 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 20 most complex units

Unit	# lines	McCabe index	# params
def application() in services/recommendation-service/src/app.py	26	6	0
public void releaseMQSource() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/mq/SongMessageSender.java	15	5	0
public void releaseMQSource() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/mq/SongMessageReceiver.java	15	5	0
public void sendMsg() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/mq/SongMessageSender.java	13	4	1
func main() in services/rating-service/main.go	14	3	0
private void receiveMsg() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/mq/SongMessageReceiver.java	10	3	0
public void initMQSource() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/mq/SongMessageSender.java	12	2	0
public void initMQSource() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/mq/SongMessageReceiver.java	13	2	0
private void saveCache() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/controller/SongController.java	8	2	1
SkywalkingMeterRegistry skywalkingMeterRegistry() in services/gateway-service/src/main/java/org/apache/skywalking/showcase/gateway/GatewayApplication.java	4	1	0
public static void main() in services/gateway-service/src/main/java/org/apache/skywalking/showcase/gateway/GatewayApplication.java	3	1	1
export default defineConfig() in services/app/frontend/vite.config.js	10	1	1
public RestTemplate restTemplate() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/SongServiceApplication.java	5	1	0
SkywalkingMeterRegistry skywalkingMeterRegistry() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/SongServiceApplication.java	4	1	0
public static void main() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/SongServiceApplication.java	3	1	1
public List songs() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/controller/SongController.java	7	1	0
public List top() in services/songs-service/src/main/java/org/apache/skywalking/showcase/services/song/controller/SongController.java	4	1	0
def health() in services/recommendation-service/src/app.py	2	1	0
lua function rewrite_access_log() in deploy/platform/docker/config/nginx/fluent-bit-script.lua	9	1	3
lua function rewrite_error_log() in deploy/platform/docker/config/nginx/fluent-bit-script.lua	9	1	3