On this page:
CAST AI Administrator
Summary: this page lists:
- Impacts of changes made to CAST AIP 8.3.0 on Quality Model results post upgrade
All changes in results related to the JEE Analyzer are now listed in the JEE Analyzer extension and will not appear in this page.
Each CAST AIP release provides new features which improve the value of the platform and justify an upgrade. However, there are a number of changes or improvements which can impact the measurement results/grades:
- New or improved Quality Rules to perform deeper analysis
- Updates to the Assessment Model, e.g. changes to rule weights, severity or thresholds. This can be mitigated by using the "Preserve assessment model" option during the upgrade.
- Improvements of the language analysis, e.g. more fine-grained detection of objects or links
- Extended automatic discovery of files included in the analysis
- Bug fixes to improve the precision of results
- And, unfortunately, a new release may also introduce new bugs which may impact the results until they are discovered and removed
Below is a list of changes made to the current release of CAST AIP that are known to cause impacts to results. You can also consult Case Study - Measurement changes after upgrade for selected customer applications which provides a more detailed analysis based on a few sample applications.
Analyzing the root causes of impacts to measurement results/grades
The following is a general description of the steps that should be taken in order to compare pre and post upgrade results:
Impacts of changes made in CAST AIP 8.3.0 on Quality Model results post upgrade
Removal of "non-unified" Quality Rules
In CAST AIP 8.3.x, all Quality Rules flagged as "non-unified" have been removed from the standard CAST AIP Assessment Model delivered with CAST AIP 8.3.x. These Quality Rules were not triggered by default, had to be manually enabled using a SQL query and all had "unified" (i.e. multi technology) equivalent Quality Rules. The impacts of this change are listed below:
- If you choose to retain your previous Assessment Model during the upgrade process, then any "non-unified" Quality Rules will be marked as deprecated and set to "Detached".
- When generating a snapshot with an Assessment Model that contains active "non-unified" Quality Rules (i.e. you have chosen to retain your previous Assessment Model during the upgrade process), these Quality Rules will not be executed, even if you have used the SQL query to specifically enable them.
Other impacts of changes made in CAST AIP 8.3.0
Removal of web technology analysis capabilities
The ability to analyze "Web technologies" such as:
- Image files (.gif, .jpg etc.)
- HTML files (.htm, .html, .htc etc.)
- Script files (.js, .vbs etc.)
has been removed from the .NET Analyzer, therefore after an upgrade to CAST AIP 8.3.x and the generation of a new snapshot on existing source code, you will find that analysis results will change:
- All web technology files will no longer be visible. These objects will be recorded as "deleted" in the post upgrade snapshot (this example is from a JEE analysis):
|Before upgrade||After upgrade|
- Line of Code (LOC) Quality Measures will be impacted - there will be a decrease in the LOC count.
- Some Quality Rule grades may change.
- Intra-web technology links (i.e. between .HTML and .JS files for example) will be removed
- Any links between .NET objects and web technology objects will be removed
- Transactions and Function Point data may be impacted by this change.
- when a "classic" ASP (Active Server Pages) application is delivered via the CAST Delivery Manager Tool, this will be discovered as an ASP application and will be analyzed exactly as in previous releases of CAST AIP by the .NET Analyzer - i.e there will be no change to results.
- Ability to analyze web technologies has also been removed from the JEE Analyzer extension, see http://doc.castsoftware.com/display/DOCEXT/JEE+Analyzer+-+1.0 for details.