Bytecode Instrumentation

| 2004 JavaOne
SM
Conference | Session 3042 Copyright Hewlett Packard Co., 2004.
10
BCI Transformations
• Transformation target
─ Whole program
─ Selective
─ Class
─ Method
• Transformation time
─ Ahead-of-time or static
─ At run-time
─ Load time
─ Arbitrary time
– Requires class loader interaction (pre 5.0)
– RedefineClasses() in 5.0
• Transformation types
─ Replacement
─ Insertion
─ Deletion