guardian / path-manager - 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 55 units with 580 lines of code in units (49.4% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
1 medium complex units (37 lines of code)
3 simple units (75 lines of code)
51 very simple units (468 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
def registerExistingPath() in path-manager/app/controllers/PathManagerController.scala	37	13	1
def registerCanonical() in path-manager/app/services/PathStore.scala	36	8	1
def register() in migrator/src/main/scala/com/gu/pathmanager/MigrationPathStore.scala	28	7	1
def runMigrations() in migrator/src/main/scala/com/gu/pathmanager/Migrator.scala	11	7	2
def registerAlias() in path-manager/app/services/PathStore.scala	20	5	1
def putPathItemAndAwaitIndexUpdate() in path-manager/app/services/PathStore.scala	21	5	1
def apply() in path-manager/app/model/PathRecord.scala	17	4	1
def registerNew() in path-manager/app/services/PathStore.scala	25	4	2
def updateCanonicalWithAlias() in path-manager/app/services/PathStore.scala	42	4	2
def updateCanonical() in path-manager/app/services/PathStore.scala	32	4	2
def updateCanonicalPath() in path-manager/app/controllers/PathManagerController.scala	15	4	2
def requiresMigrator() in migrator/src/main/scala/com/gu/pathmanager/Migrator.scala	4	3	1
def tableExists() in path-manager/app/services/Dynamo.scala	8	3	2
def setAliasPathIsRemovedFlag() in path-manager/app/services/PathStore.scala	24	3	2
def register() in migrator/src/main/scala/com/gu/pathmanager/PathManagerConnection.scala	10	2	1
def setCurrentSeqValue() in migrator/src/main/scala/com/gu/pathmanager/PathManagerConnection.scala	8	2	1
def main() in migrator/src/main/scala/com/gu/pathmanager/Migrator.scala	4	2	1
override def flush() in path-manager/app/services/Metrics.scala	18	2	1
private def createSequenceTableIfMissing() in path-manager/app/services/Dynamo.scala	16	2	1
private def initialiseSequences() in path-manager/app/services/Dynamo.scala	7	2	1
private def createPathsTableIfMissing() in path-manager/app/services/Dynamo.scala	27	2	1
def isValid() in path-manager/app/services/PathStore.scala	5	2	1
def deleteRecord() in path-manager/app/services/PathStore.scala	10	2	1
def getPathDetails() in path-manager/app/controllers/PathManagerController.scala	13	2	1
def getPathsById() in path-manager/app/controllers/PathManagerController.scala	9	2	1
def generateShortUrlPath() in migrator/src/main/scala/com/gu/pathmanager/ShortUrlEncoder.scala	4	1	1
def decodePathCodeToPageId() in migrator/src/main/scala/com/gu/pathmanager/ShortUrlEncoder.scala	3	1	1
private def base27encode() in migrator/src/main/scala/com/gu/pathmanager/ShortUrlEncoder.scala	3	1	1
private def base27decode() in migrator/src/main/scala/com/gu/pathmanager/ShortUrlEncoder.scala	3	1	1
private def typographicallyEncode() in migrator/src/main/scala/com/gu/pathmanager/ShortUrlEncoder.scala	3	1	1
private def typographicallyDecode() in migrator/src/main/scala/com/gu/pathmanager/ShortUrlEncoder.scala	3	1	1
def readTag() in migrator/src/main/scala/com/gu/pathmanager/MigrationAWS.scala	12	1	1
def readProperty() in migrator/src/main/scala/com/gu/pathmanager/Migrator.scala	6	1	1
def load() in path-manager/app/AppLoader.scala	6	1	1
def generateShortUrlPath() in path-manager/app/services/ShortUrlEncoder.scala	4	1	1
def decodePathCodeToPageId() in path-manager/app/services/ShortUrlEncoder.scala	3	1	1
private def base27encode() in path-manager/app/services/ShortUrlEncoder.scala	3	1	1
private def base27decode() in path-manager/app/services/ShortUrlEncoder.scala	3	1	1
private def typographicallyEncode() in path-manager/app/services/ShortUrlEncoder.scala	3	1	1
private def typographicallyDecode() in path-manager/app/services/ShortUrlEncoder.scala	3	1	1
def flush() in path-manager/app/services/Metrics.scala	3	1	1
def recordTimeSpent() in path-manager/app/services/Metrics.scala	3	1	1
def measure[T]() in path-manager/app/services/Metrics.scala	6	1	1
def recordCount() in path-manager/app/services/Metrics.scala	1	1	1
override def flush() in path-manager/app/services/Metrics.scala	10	1	1
private def reschedule() in path-manager/app/services/Metrics.scala	3	1	0
override def postRestart() in path-manager/app/services/Metrics.scala	1	1	1
public static final RangeKeyCondition rangeKeyMatches() in path-manager/app/services/RangeKeyMatches.java	3	1	2
def readTag() in path-manager/app/services/AWS.scala	12	1	1
def setCurrentId() in path-manager/app/services/IdentifierSequence.scala	3	1	1