microsoft / mssql-jdbc

Conditional Complexity

The distribution of complexity of units (measured with McCabe index).

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 3,536 units with 39,586 lines of code in units (74.4% of code).

19 very complex units (5,073 lines of code)
35 complex units (3,895 lines of code)
109 medium complex units (5,651 lines of code)
200 simple units (4,879 lines of code)
3,173 very simple units (20,088 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 20 most complex units

Unit	# lines	McCabe index	# params
Connection connectInternal() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerConnection.java	750	183	2
private void setTypeDefinition() in src/main/java/com/microsoft/sqlserver/jdbc/Parameter.java	324	146	1
final void executeOp() in src/main/java/com/microsoft/sqlserver/jdbc/dtv.java	369	129	1
private void writeColumnToTdsWriter() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	440	121	9
final boolean cmdIsDMLOrDDL() in src/main/java/com/microsoft/sqlserver/jdbc/StreamDone.java	125	119	0
private void sendTemporal() in src/main/java/com/microsoft/sqlserver/jdbc/dtv.java	312	84	3
private String getDestTypeFromSrcType() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	178	82	3
void updateValue() in src/main/java/com/microsoft/sqlserver/jdbc/Column.java	122	76	11
private XAReturnValue DTC_XA_Interface() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerXAResource.java	326	76	3
void Prelogin() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerConnection.java	298	72	2
private void writeTypeInfo() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	230	71	9
void writeEncryptData() in src/main/java/com/microsoft/sqlserver/jdbc/dtv.java	190	68	2
private void writeInternalTVPRowValues() in src/main/java/com/microsoft/sqlserver/jdbc/IOBuffer.java	231	67	5
static Properties parseUrl() in src/main/java/com/microsoft/sqlserver/jdbc/Util.java	242	64	2
private void sendLogon() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerConnection.java	256	63	3
Object getValue() in src/main/java/com/microsoft/sqlserver/jdbc/dtv.java	172	62	9
private void login() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerConnection.java	206	58	7
void enableSSL() in src/main/java/com/microsoft/sqlserver/jdbc/IOBuffer.java	176	55	5
private void internalAddrow() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerDataTable.java	126	53	4
private void writeColumn() in src/main/java/com/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	94	49	4