Thursday 25 November 2010

Byteman 1.4.1 Now Available For Download

Byteman patch release 1.4.1 is now available at the project download page or from the JBoss maven repository. The release patches a few important bugs and omissions including:
  • a regression introduced into AT LINE triggers has been corrected
  • assignment of arrays and creation of arrays has been implemented
    e.g. you can now write things like BIND strArray = new String[2] and DO strArray[0] = "foo"
The release also provides a couple of new features:
  • trigger points can now include local or parameter variable accesses
    e.g. the rule location can now be something like AT READ $loopvar where $loopvar identifies a local variable or AFTER WRITE $1 where $1 identifies the first method parameter
  • AFTER INVOKE rules can now read and reassign $!, the value returned by the method invocation which triggered rule processing
    e.g. a rule injected into the trigger method after a call to myIntMethod (location AFTER INVOKE myIntMethod) might employ the condition IF $! < 0 and action DO $! = 0 to ensure that the value returned from myintMethod was never negative.
Details of all features and bug fixes are provided in the release notes. A full explanation of all new behaviour is available in the programmer's guide.

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