Improve java

[tom-hg57]

• Update generated java files created by cimgen
  • Change getter and setter to static functions
  • Set cimType and rdfid in BaseClass constructor (fixing this-escape warnings with Java >= 21)
  • Remove setter for cimType and rdfid (they are fixed now after creation of a CIM object)
  • Fix parsing objects with changing types (e.g. first as Equipment, than as PowerTransformer)
  • Add method toString to BaseClass
  • Improve logging of unknown attributes in java reader
  • Fix parsing objects with overriding attributes
  • Add option --log-level to java main program
  • Fix collision of label and class_name (e.g. AvailabilitySchedule in profile AvailabilitySchedule)
  • Add logging of used memory in java reader
  • Optimize java writer: iterate over used attributes only
  • Fix attribute comments
• Adapt unit tests and add more unit tests for reader and writer
  • test024-test028 to test parsing objects with changing types
  • test029-test032 to test parsing objects with overriding attributes
• Fix exception caused by wrong attribute type
• Add more unit tests for reader and writer
• Improve java reader with class HandleSetLater
• Improve java reader using robust two-phase algorithm: 1. create objects, 2. add attributes (avoiding any complicated set-later algorithms)
• Set log4jEnabled = false in Logging.java
• Add descriptions to unit tests for reader and writer