spotify / sparkey-java - 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 420 units with 3,107 lines of code in units (72.7% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
4 medium complex units (314 lines of code)
12 simple units (452 lines of code)
404 very simple units (2,341 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
static long murmurHash3_x64_64() in src/main/java/com/spotify/sparkey/MurmurHash3.java	77	17	3
private static void delete() in src/main/java/com/spotify/sparkey/IndexHash.java	82	15	13
private static void put() in src/main/java/com/spotify/sparkey/IndexHash.java	88	15	13
public static void main() in src/main/java/com/spotify/sparkey/extra/SparkeyValidator.java	67	12	1
public Iterator iterator() in src/main/java/com/spotify/sparkey/SparkeyLogIterator.java	91	10	0
private static void calculateMaxDisplacement() in src/main/java/com/spotify/sparkey/IndexHash.java	46	10	2
static int unsignedVLQSize() in src/main/java/com/spotify/sparkey/Util.java	27	9	1
static void renameFile() in src/main/java/com/spotify/sparkey/Util.java	33	9	2
public Iterator iterator() in src/main/java/com/spotify/sparkey/SingleThreadedSparkeyReader.java	49	8	0
boolean isAt() in src/main/java/com/spotify/sparkey/IndexHash.java	35	8	4
static void createNew() in src/main/java/com/spotify/sparkey/IndexHash.java	30	7	8
static File setEnding() in src/main/java/com/spotify/sparkey/Sparkey.java	16	6	2
static int readUnsignedVLQInt() in src/main/java/com/spotify/sparkey/Util.java	32	6	1
static int readUnsignedVLQInt() in src/main/java/com/spotify/sparkey/Util.java	32	6	1
static IndexHash open() in src/main/java/com/spotify/sparkey/IndexHash.java	33	6	2
public void close() in src/main/java/com/spotify/sparkey/ReadOnlyMemMap.java	28	6	0
static int murmurHash3_x86_32() in src/main/java/com/spotify/sparkey/MurmurHash3.java	38	5	3
static LogHeader read() in src/main/java/com/spotify/sparkey/LogHeader.java	32	5	1
static int unsignedVLQSize() in src/main/java/com/spotify/sparkey/Util.java	15	5	1
public long skip() in src/main/java/com/spotify/sparkey/SparkeyLogIterator.java	17	5	1
private static void fillFromLog() in src/main/java/com/spotify/sparkey/IndexHash.java	43	5	6
private static void fillFromLogSorted() in src/main/java/com/spotify/sparkey/IndexHash.java	39	5	7
private void smartFlush() in src/main/java/com/spotify/sparkey/CompressedWriter.java	8	4	2
public Entry readNext() in src/main/java/com/spotify/sparkey/SortHelper.java	15	4	0
public void close() in src/main/java/com/spotify/sparkey/ReadWriteMemMap.java	23	4	0
static IndexHeader read() in src/main/java/com/spotify/sparkey/IndexHeader.java	33	4	1
private SparkeyReader createFromLogFile() in src/main/java/com/spotify/sparkey/extra/ReloadableSparkeyReader.java	21	4	1
private synchronized void switchReader() in src/main/java/com/spotify/sparkey/extra/ReloadableSparkeyReader.java	15	4	1
protected void cleanupDeadThreads() in src/main/java/com/spotify/sparkey/extra/PersistentThreadLocal.java	14	4	0
void write() in src/main/java/com/spotify/sparkey/LogHeader.java	25	3	2
static void readFully() in src/main/java/com/spotify/sparkey/Util.java	12	3	3
static boolean equals() in src/main/java/com/spotify/sparkey/Util.java	8	3	3
private static Cleaner findCleaner() in src/main/java/com/spotify/sparkey/ByteBufferCleaner.java	11	3	0
public void clean() in src/main/java/com/spotify/sparkey/ByteBufferCleaner.java	13	3	1
public void put() in src/main/java/com/spotify/sparkey/CompressedWriter.java	14	3	4
public void put() in src/main/java/com/spotify/sparkey/CompressedWriter.java	14	3	4
public void delete() in src/main/java/com/spotify/sparkey/CompressedWriter.java	12	3	2
public void close() in src/main/java/com/spotify/sparkey/FileReadWriteData.java	13	3	0
static SingleThreadedSparkeyWriter createNew() in src/main/java/com/spotify/sparkey/SingleThreadedSparkeyWriter.java	12	3	3
public void writeHash() in src/main/java/com/spotify/sparkey/SingleThreadedSparkeyWriter.java	19	3	0
public int read() in src/main/java/com/spotify/sparkey/SparkeyLogIterator.java	10	3	3
private void next() in src/main/java/com/spotify/sparkey/ReadWriteMemMap.java	13	3	0
private static AddressSize getAddressData() in src/main/java/com/spotify/sparkey/IndexHeader.java	9	3	1
private static HashType getHashType() in src/main/java/com/spotify/sparkey/IndexHeader.java	9	3	1
public void close() in src/main/java/com/spotify/sparkey/FileFlushingData.java	14	3	0
private boolean isValidLogFile() in src/main/java/com/spotify/sparkey/extra/ReloadableSparkeyReader.java	3	3	1
private void setFallback() in src/main/java/com/spotify/sparkey/extra/PersistentThreadLocal.java	9	3	3
static void skipStuff() in src/main/java/com/spotify/sparkey/IndexHash.java	11	3	2
public int read() in src/main/java/com/spotify/sparkey/IndexHash.java	11	3	3
public long skip() in src/main/java/com/spotify/sparkey/IndexHash.java	11	3	1