apache / datafu - 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 1,080 units with 12,348 lines of code in units (72.0% of code).

0 very complex units (0 lines of code)
1 complex units (181 lines of code)
24 medium complex units (1,746 lines of code)
86 simple units (2,728 lines of code)
969 very simple units (7,693 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
private void writeCounters() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/StagedOutputJob.java	181	27	1
public void reduce() in datafu-hourglass/src/main/java/datafu/hourglass/mapreduce/CollapsingReducer.java	123	24	3
public static DateRange getDateRange() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/DateRangePlanner.java	111	19	6
private boolean compare() in datafu-pig/src/main/java/datafu/pig/util/TupleDiff.java	48	19	8
private void execute() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/AbstractPartitionCollapsingIncrementalJob.java	148	17	0
protected void determineAvailableInputDates() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/ExecutionPlanner.java	79	17	0
private void determineInputsToProcess() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/PartitionCollapsingExecutionPlanner.java	91	16	2
public void setProperties() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/AbstractJob.java	69	16	1
public DataBag exec() in datafu-pig/src/main/java/datafu/pig/sets/SetDifference.java	50	16	1
private List getTaskCompletionEvents() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/StagedOutputJob.java	81	15	2
public void run() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/AbstractNonIncrementalJob.java	107	15	0
private void execute() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/AbstractPartitionPreservingIncrementalJob.java	154	15	0
public void reduce() in datafu-hourglass/src/main/java/datafu/hourglass/mapreduce/CollapsingCombiner.java	71	15	3
public Schema outputSchema() in datafu-pig/src/main/java/datafu/pig/linkanalysis/PageRank.java	79	15	1
public Tuple exec() in datafu-pig/src/main/java/datafu/pig/sampling/SimpleRandomSample.java	79	14	1
protected final static Tuple extreme() in datafu-pig/src/main/java/datafu/org/apache/pig/piggybank/evaluation/ExtremalTupleByNthField.java	43	14	4
public Schema getOutputSchema() in datafu-pig/src/main/java/datafu/pig/bags/BagGroup.java	51	13	1
private void makeHashFunc() in datafu-pig/src/main/java/datafu/pig/hash/Hasher.java	18	12	1
public PageRank() in datafu-pig/src/main/java/datafu/pig/linkanalysis/PageRank.java	45	11	1
public void init() in datafu-pig/src/main/java/datafu/pig/linkanalysis/PageRankImpl.java	57	11	1
public Object exec() in datafu-pig/src/main/java/datafu/pig/util/Coalesce.java	45	11	1
public Schema outputSchema() in datafu-pig/src/main/java/datafu/pig/sampling/WeightedReservoirSample.java	43	11	1
public Schema outputSchema() in datafu-pig/src/main/java/datafu/pig/bags/BagConcat.java	45	11	1
public List getQuantiles() in datafu-pig/src/main/java/datafu/pig/stats/StreamingQuantile.java	38	11	0
def getAbsolutePaths() in datafu-spark/src/main/scala/datafu/spark/PythonPathsManager.scala	71	11	0
public boolean equals() in datafu-hourglass/src/main/java/datafu/hourglass/fs/DatePath.java	25	10	1
private void moveStagedFiles() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/AbstractPartitionPreservingIncrementalJob.java	73	10	2
public Schema getOutputSchema() in datafu-pig/src/main/java/datafu/pig/util/Coalesce.java	50	10	1
public DataBag exec() in datafu-pig/src/main/java/datafu/pig/sampling/WeightedSample.java	44	10	1
public Schema getOutputSchema() in datafu-pig/src/main/java/datafu/pig/bags/BagJoin.java	57	10	1
public Tuple binconf() in datafu-pig/src/main/java/datafu/pig/stats/WilsonBinConf.java	30	10	2
public void createPlan() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/PartitionCollapsingExecutionPlanner.java	63	9	0
public void collect() in datafu-hourglass/src/main/java/datafu/hourglass/mapreduce/CollapsingMapper.java	52	9	2
public void accumulate() in datafu-pig/src/main/java/datafu/pig/linkanalysis/PageRank.java	45	9	1
public Schema outputSchema() in datafu-pig/src/main/java/datafu/pig/sampling/WeightedSample.java	23	9	1
public Tuple exec() in datafu-pig/src/main/java/datafu/pig/stats/VAR.java	46	9	1
public Schema outputSchema() in datafu-pig/src/main/java/datafu/pig/stats/entropy/EmpiricalCountEntropy.java	39	9	1
public Tuple exec() in datafu-pig/src/main/java/datafu/pig/stats/FloatVAR.java	46	9	1
public Tuple call() in datafu-pig/src/main/java/datafu/pig/stats/Quantile.java	34	9	1
private void determineInputsToProcess() in datafu-hourglass/src/main/java/datafu/hourglass/jobs/PartitionPreservingExecutionPlanner.java	37	8	0
protected void makeHashFunc() in datafu-pig/src/main/java/datafu/pig/hash/Hasher.java	25	8	2
public DataBag exec() in datafu-pig/src/main/java/datafu/pig/bags/UnorderedPairs.java	33	8	1
public DataBag exec() in datafu-pig/src/main/java/datafu/pig/bags/BagSplit.java	45	8	1
public Schema outputSchema() in datafu-pig/src/main/java/datafu/pig/bags/CountEach.java	41	8	1
public Tuple exec() in datafu-pig/src/main/java/datafu/pig/stats/LongVAR.java	45	8	1
public void accumulate() in datafu-pig/src/main/java/datafu/pig/stats/LongVAR.java	29	8	1
public void accumulate() in datafu-pig/src/main/java/datafu/pig/stats/VAR.java	29	8	1
public Tuple exec() in datafu-pig/src/main/java/datafu/pig/stats/IntVAR.java	45	8	1
public void accumulate() in datafu-pig/src/main/java/datafu/pig/stats/IntVAR.java	29	8	1
public void add() in datafu-pig/src/main/java/datafu/pig/stats/StreamingQuantile.java	19	8	1