GoogleCloudPlatform / appengine-java-standard

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 10,165 units with 85,464 lines of code in units (60.4% of code).

7 very complex units (1,246 lines of code)
19 complex units (2,172 lines of code)
152 medium complex units (8,120 lines of code)
503 simple units (15,222 lines of code)
9,484 very simple units (58,704 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
protected void doGet() in runtime/testapps/src/main/java/com/google/apphosting/loadtesting/allinone/MainServlet.java	195	55	2
protected void doGet() in runtime/testapps/src/main/java/com/google/apphosting/loadtesting/allinone/ee10/MainServlet.java	195	55	2
public boolean equals() in utils/src/main/java/com/google/apphosting/utils/config/AppEngineWebXml.java	60	54	1
protected void doGet() in e2etests/testlocalapps/allinone/src/main/java/allinone/MainServlet.java	188	54	2
protected void doGet() in e2etests/testlocalapps/allinone_jakarta/src/main/java/allinone/MainServlet.java	193	54	2
private void validateQuery() in api/src/main/java/com/google/appengine/api/datastore/ValidatedQuery.java	196	53	0
private void translateAppEngineWebXml() in lib/tools_api/src/main/java/com/google/appengine/tools/admin/AppYamlTranslator.java	219	52	1
private void processSecondLevelNode() in utils/src/main/java/com/google/apphosting/utils/config/AppEngineWebXmlProcessor.java	157	50	2
private void updateDimensions() in api/src/main/java/com/google/appengine/api/images/ImageImpl.java	52	47	0
private Expression makeExpression() in api_dev/src/main/java/com/google/appengine/api/search/dev/ExpressionBuilder.java	70	42	1
public JettyRequestAPIData() in runtime/runtime_impl_jetty9/src/main/java/com/google/apphosting/runtime/jetty9/JettyRequestAPIData.java	203	40	4
public void sendMessage() in api/src/main/java/com/google/appengine/api/mail/stdimpl/GMTransport.java	135	39	2
public JettyRequestAPIData() in runtime/runtime_impl_jetty12/src/main/java/com/google/apphosting/runtime/jetty/http/JettyRequestAPIData.java	168	39	3
public BufferedImage processTransform() in api_dev/src/main/java/com/google/appengine/api/images/dev/LocalImagesService.java	122	38	3
private boolean canCompressFor() in runtime/impl/src/main/java/com/google/apphosting/runtime/HttpCompression.java	65	35	4
private void handleUpload() in api_dev/src/main/java/com/google/appengine/api/blobstore/dev/UploadBlobServlet.java	255	35	2
private void handleUpload() in api_dev/src/main/java/com/google/appengine/api/blobstore/dev/ee10/UploadBlobServlet.java	255	35	2
public boolean equals() in api/src/main/java/com/google/appengine/api/log/RequestLogs.java	40	34	1
public synchronized LogReadResponse read() in api_dev/src/main/java/com/google/appengine/api/log/dev/LocalLogService.java	98	34	2
public boolean equals() in utils/src/main/java/com/google/apphosting/utils/config/QueueXml.java	34	31	1
public QueryResult runQuery() in api_dev/src/main/java/com/google/appengine/api/datastore/dev/LocalDatastoreService.java	150	31	2
public boolean equals() in api/src/main/java/com/google/appengine/api/taskqueue/TaskOptions.java	75	30	1
public boolean equals() in utils/src/main/java/com/google/apphosting/utils/config/AppEngineWebXml.java	38	27	1
private NumericExpression makeNumericExpression() in api_dev/src/main/java/com/google/appengine/api/search/dev/ExpressionBuilder.java	53	27	1
private KickStart() in lib/tools_api/src/main/java/com/google/appengine/tools/KickStart.java	126	26	1
private File populateStagingDirectory() in lib/tools_api/src/main/java/com/google/appengine/tools/admin/Application.java	76	26	3
public void generateAppEngineWebXml() in utils/src/main/java/com/google/apphosting/utils/config/AppYaml.java	137	25	1
private void doIntersectTwo() in utils/src/main/java/com/google/apphosting/utils/glob/GlobIntersector.java	79	25	3
public List runQuery() in api_dev/src/main/java/com/google/appengine/api/datastore/dev/KeyFilteredPseudoKind.java	56	25	1
private static List parseSetCookie1() in api_dev/src/main/java/com/google/appengine/tools/util/ClientCookie.java	118	25	2
public boolean equals() in api/src/main/java/com/google/appengine/api/datastore/FetchOptions.java	59	24	1
protected void doGet() in runtime/local_jetty12_ee10/src/main/java/com/google/appengine/tools/development/jetty/ee10/LocalResourceFileServlet.java	79	24	2
protected void doGet() in runtime/local_jetty12/src/main/java/com/google/appengine/tools/development/jetty/LocalResourceFileServlet.java	79	24	2
public void handle() in runtime/runtime_impl_jetty9/src/main/java/com/google/apphosting/runtime/jetty9/RpcConnection.java	108	24	1
protected void doGet() in runtime/local_jetty9/src/main/java/com/google/appengine/tools/development/jetty9/LocalResourceFileServlet.java	80	24	2
private ClassLoader createClassLoader() in runtime/impl/src/main/java/com/google/apphosting/runtime/AppVersionFactory.java	108	24	4
private void normalizeQuery() in api/src/main/java/com/google/appengine/api/datastore/NormalizedQuery.java	67	23	0
private static void fillAddRequest() in api/src/main/java/com/google/appengine/api/taskqueue/QueueImpl.java	88	23	13
private void processSingleFacet() in api_dev/src/main/java/com/google/appengine/api/search/dev/SimpleFacet.java	57	23	1
public static boolean isDate() in api/src/main/java/com/google/appengine/api/search/query/ParserUtils.java	64	22	1
private void doSend() in api/src/main/java/com/google/appengine/api/mail/MailServiceImpl.java	75	22	2
static RuntimeException translateError() in api/src/main/java/com/google/appengine/api/taskqueue/QueueApiHelper.java	59	22	2
public boolean equals() in utils/src/main/java/com/google/apphosting/utils/config/WebModule.java	55	22	1
private Date getMatchSpecificTime() in utils/src/main/java/com/google/borg/borgcron/GrocTimeSpecification.java	70	21	1
protected void doGet() in runtime/runtime_impl_jetty9/src/main/java/com/google/apphosting/runtime/jetty9/ResourceFileServlet.java	70	21	2
private List getProperties() in api_dev/src/main/java/com/google/appengine/api/datastore/dev/PropertyPseudoKind.java	65	21	7
public static Object deserialize() in api/src/main/java/com/google/appengine/api/memcache/MemcacheSerialization.java	69	20	2
protected void doGet() in runtime/runtime_impl_jetty12/src/main/java/com/google/apphosting/runtime/jetty/ee8/ResourceFileServlet.java	63	20	2
protected void doGet() in runtime/runtime_impl_jetty12/src/main/java/com/google/apphosting/runtime/jetty/ee10/ResourceFileServlet.java	63	20	2
public boolean equals() in api/src/main/java/com/google/appengine/api/taskqueue/RetryOptions.java	48	19	1