apache / mina - 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 1,031 units with 6,944 lines of code in units (67.7% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
14 medium complex units (772 lines of code)
47 simple units (1,416 lines of code)
970 very simple units (4,756 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 50 most complex units

Unit	# lines	McCabe index	# params
public void processRead() in core/src/main/java/org/apache/mina/transport/nio/SslHelper.java	83	23	2
public void changeState() in core/src/main/java/org/apache/mina/session/AbstractIoSession.java	59	18	1
public ByteBuffer encode() in coap/src/main/java/org/apache/mina/coap/codec/CoapEncoder.java	62	17	2
public IoFuture connect() in core/src/main/java/org/apache/mina/transport/nio/NioTcpClient.java	103	17	1
public Http2Frame decode() in http2/src/main/java/org/apache/mina/http2/impl/Http2Connection.java	58	16	1
public WriteRequest enqueueWriteRequest() in core/src/main/java/org/apache/mina/transport/nio/AbstractNioSession.java	52	15	1
public boolean consume() in http2/src/main/java/org/apache/mina/http2/impl/Http2HeadersFrameDecoder.java	50	14	1
public void processWrite() in core/src/main/java/org/apache/mina/transport/nio/AbstractNioSession.java	54	14	1
public void run() in core/src/main/java/org/apache/mina/transport/nio/NioSelectorLoop.java	47	13	0
public static String dump() in core/src/main/java/org/apache/mina/util/ByteBufferDumper.java	50	13	3
public boolean consume() in http2/src/main/java/org/apache/mina/http2/impl/Http2DataFrameDecoder.java	36	12	1
public boolean consume() in http2/src/main/java/org/apache/mina/http2/impl/Http2PushPromiseFrameDecoder.java	40	12	1
public boolean equals() in coap/src/main/java/org/apache/mina/coap/CoapMessage.java	34	11	1
WriteRequest processWrite() in core/src/main/java/org/apache/mina/transport/nio/SslHelper.java	44	11	3
public boolean consume() in http2/src/main/java/org/apache/mina/http2/impl/Http2GoAwayFrameDecoder.java	30	10	1
private synchronized void createSession() in core/src/main/java/org/apache/mina/transport/nio/NioTcpServer.java	55	10	1
public void ready() in core/src/main/java/org/apache/mina/transport/nio/NioUdpSession.java	36	10	5
private void processResult() in core/src/main/java/org/apache/mina/transport/nio/SslHelper.java	26	10	3
public void sessionRead() in core/src/main/java/org/apache/mina/service/idlechecker/IndexedIdleChecker.java	33	10	2
public boolean consume() in http2/src/main/java/org/apache/mina/http2/impl/Http2PriorityFrameDecoder.java	29	9	1
public IoFuture close() in core/src/main/java/org/apache/mina/transport/nio/AbstractNioSession.java	35	9	1
public void ready() in core/src/main/java/org/apache/mina/transport/nio/NioUdpServer.java	32	9	5
public String toString() in core/src/main/java/org/apache/mina/transport/nio/NioSelectorLoop.java	34	9	0
public IoFuture connect() in core/src/main/java/org/apache/mina/transport/nio/NioUdpClient.java	59	9	1
public void ready() in core/src/main/java/org/apache/mina/transport/nio/NioTcpSession.java	38	9	5
public void messageWriting() in coap/src/main/java/org/apache/mina/coap/retry/CoapRetryFilter.java	36	8	3
public CoapMessage respond() in coap/src/main/java/org/apache/mina/coap/resource/ResourceRegistry.java	35	8	2
public boolean consume() in http2/src/main/java/org/apache/mina/http2/impl/Http2WindowUpdateFrameDecoder.java	23	8	1
public boolean consume() in http2/src/main/java/org/apache/mina/http2/impl/Http2RstStreamFrameDecoder.java	23	8	1
public void sessionWritten() in core/src/main/java/org/apache/mina/service/idlechecker/IndexedIdleChecker.java	27	8	2
public void processMessageReceived() in core/src/main/java/org/apache/mina/session/AbstractIoSession.java	38	8	1
public HttpPdu decode() in http/src/main/java/org/apache/mina/http/HttpServerDecoder.java	42	8	2
private String decodeAuto() in codec/src/main/java/org/apache/mina/codec/textline/TextLineDecoder.java	52	8	2
public void messageReceived() in coap/src/main/java/org/apache/mina/coap/retry/CoapRetryFilter.java	28	7	3
public boolean consume() in http2/src/main/java/org/apache/mina/http2/impl/Http2FrameHeadePartialDecoder.java	24	7	1
public void modifyRegistration() in core/src/main/java/org/apache/mina/transport/nio/NioSelectorLoop.java	26	7	6
public void init() in core/src/main/java/org/apache/mina/transport/nio/SslHelper.java	26	7	0
public void bind() in core/src/main/java/org/apache/mina/transport/bio/BioUdpServer.java	33	7	1
public Integer decode() in codec/src/main/java/org/apache/mina/codec/delimited/ints/VarInt.java	34	7	1
private String decodeNormal() in codec/src/main/java/org/apache/mina/codec/textline/TextLineDecoder.java	46	7	2
public boolean equals() in codec/src/main/java/org/apache/mina/codec/IoBuffer.java	24	7	1
public CoapMessage() in coap/src/main/java/org/apache/mina/coap/CoapMessage.java	18	6	7
public boolean equals() in coap/src/main/java/org/apache/mina/coap/CoapOption.java	19	6	1
public CoapMessage decode() in coap/src/main/java/org/apache/mina/coap/codec/CoapDecoder.java	41	6	2
public void encode() in http2/src/main/java/org/apache/mina/http2/impl/HeadersEncoder.java	30	6	2
private void log() in core/src/main/java/org/apache/mina/filter/logging/LoggingFilter.java	21	6	3
private void log() in core/src/main/java/org/apache/mina/filter/logging/LoggingFilter.java	21	6	2
public void register() in core/src/main/java/org/apache/mina/transport/nio/NioSelectorLoop.java	22	6	7
private void processRead() in core/src/main/java/org/apache/mina/transport/nio/NioTcpSession.java	27	6	1
public boolean cancel() in core/src/main/java/org/apache/mina/util/AbstractIoFuture.java	21	6	1