apache / incubator-toree - 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 460 units with 4,659 lines of code in units (50.8% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
6 medium complex units (256 lines of code)
17 simple units (439 lines of code)
437 very simple units (3,964 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 prepareResult() in scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala	60	22	4
private def displayRows() in scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaDisplayers.scala	65	16	3
override def execute() in sql-interpreter/src/main/scala/org/apache/toree/magic/builtin/Sql.scala	33	13	1
private def isIncomingMessage() in kernel/src/main/scala/org/apache/toree/utils/MessageLogSupport.scala	13	11	1
override def execute() in kernel/src/main/scala/org/apache/toree/magic/builtin/AddJar.scala	56	11	1
def invoke() in plugins/src/main/scala/org/apache/toree/plugins/PluginMethod.scala	29	11	1
override def process() in kernel/src/main/scala/org/apache/toree/kernel/protocol/v5/handler/ExecuteRequestHandler.scala	80	10	1
protected def processOptions() in communication/src/main/scala/org/apache/toree/communication/socket/ZeroMQSocketRunnable.scala	23	10	1
override def equals() in protocol/src/main/scala/org/apache/toree/kernel/protocol/v5/KernelMessage.scala	13	10	1
override def execute() in scala-interpreter/src/main/scala/org/apache/toree/magic/builtin/Scala.scala	22	9	1
private def handleMagicResult() in kernel-api/src/main/scala/org/apache/toree/magic/MagicManager.scala	21	9	2
private def processCallbacks() in client/src/main/scala/org/apache/toree/kernel/protocol/v5/client/execution/DeferredExecution.scala	17	8	0
protected def newZmqSocket() in communication/src/main/scala/org/apache/toree/communication/socket/ZeroMQSocketRunnable.scala	32	8	2
private def has[T]() in kernel/src/main/scala/org/apache/toree/boot/CommandLineOptions.scala	40	7	1
override def display() in scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaDisplayers.scala	15	6	1
override def isComplete() in scala-interpreter/src/main/scala-2.12/org/apache/toree/kernel/interpreter/scala/ScalaInterpreterSpecific.scala	21	6	1
private void scanDirectory() in kernel/src/main/scala/org/apache/toree/utils/ClassPath.java	27	6	4
static ImmutableSet getClassPathFromManifest() in kernel/src/main/scala/org/apache/toree/utils/ClassPath.java	24	6	2
private def initializeDependencyDownloader() in kernel/src/main/scala/org/apache/toree/boot/layer/ComponentInitialization.scala	22	6	1
def selectDynamic() in kernel-api/src/main/scala/org/apache/toree/utils/DynamicReflectionSupport.scala	18	6	1
private def isCompatible() in kernel-api/src/main/scala/org/apache/toree/utils/DynamicReflectionSupport.scala	15	6	2
def destroyPlugins() in plugins/src/main/scala/org/apache/toree/plugins/PluginManager.scala	23	6	3
private def invokePluginMethods() in plugins/src/main/scala/org/apache/toree/plugins/PluginManager.scala	26	6	2
protected def interpretMapToCustomResult() in scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala	10	5	1
private def handleInterpreterOutput() in kernel/src/main/scala/org/apache/toree/kernel/api/Kernel.scala	15	5	3
protected[magic] def parseCell() in kernel/src/main/scala/org/apache/toree/kernel/protocol/v5/magic/MagicParser.scala	11	5	1
private void scanJar() in kernel/src/main/scala/org/apache/toree/utils/ClassPath.java	23	5	3
static ImmutableMap getClassPathEntries() in kernel/src/main/scala/org/apache/toree/utils/ClassPath.java	16	5	1
override def execute() in kernel/src/main/scala/org/apache/toree/magic/builtin/ShowTypes.scala	14	5	1
override def execute() in kernel/src/main/scala/org/apache/toree/magic/builtin/Truncation.scala	14	5	1
private def convertToJson() in kernel/src/main/scala/org/apache/toree/magic/builtin/Dataframe.scala	29	5	1
override def execute() in kernel/src/main/scala/org/apache/toree/magic/builtin/Dataframe.scala	18	5	1
override def execute() in kernel/src/main/scala/org/apache/toree/magic/builtin/ShowOutput.scala	14	5	1
def apply() in kernel/src/main/scala/org/apache/toree/boot/layer/InterpreterManager.scala	22	5	1
private def registerInterruptHook() in kernel/src/main/scala/org/apache/toree/boot/layer/HookInitialization.scala	35	5	2
private def getMethod() in kernel-api/src/main/scala/org/apache/toree/utils/DynamicReflectionSupport.scala	15	5	2
def isLineMagic() in kernel-api/src/main/scala/org/apache/toree/magic/MagicManager.scala	22	5	1
private def concreteSubclasses() in plugins/src/main/scala/org/apache/toree/plugins/PluginSearcher.scala	24	5	5
protected[scala] def buildClasspath() in scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala	16	4	1
override def interrupt() in scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala	17	4	0
protected def interpretMapToResultAndOutput() in scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala	23	4	1
override def display() in scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaDisplayers.scala	18	4	1
protected def convertAnnotationsToModifiers() in scala-interpreter/src/main/scala-2.12/org/apache/toree/kernel/interpreter/scala/ScalaInterpreterSpecific.scala	10	4	1
protected def interpretConstructExecuteError() in scala-interpreter/src/main/scala-2.12/org/apache/toree/kernel/interpreter/scala/ScalaInterpreterSpecific.scala	20	4	1
private def isLineMagic() in kernel/src/main/scala/org/apache/toree/kernel/protocol/v5/magic/MagicParser.scala	11	4	1
protected[magic] def isValidLineMagic() in kernel/src/main/scala/org/apache/toree/kernel/protocol/v5/magic/MagicParser.scala	9	4	1
private def incomingRelay() in kernel/src/main/scala/org/apache/toree/kernel/protocol/v5/relay/KernelMessageRelay.scala	12	4	1
private def outgoingRelay() in kernel/src/main/scala/org/apache/toree/kernel/protocol/v5/relay/KernelMessageRelay.scala	12	4	1
def convert() in kernel/src/main/scala/org/apache/toree/utils/DataFrameConverter.scala	12	4	3
def fieldToString() in kernel/src/main/scala/org/apache/toree/utils/DataFrameConverter.scala	6	4	1