Java Profiler 9.0 HelpProbes: extendable profiling and monitoringMonitoring method invocation eventsCallback method parameter annotation @Params
Callback parameter annotated with @Params
allows to access all method parameters.
In which callbacks can be used
Parameter annotated with @Params can be used in any callback.
Declaration type
Parameter annotated with @Params must be declared as java.lang.Object[].
Description
Parameter annotated with @Params will be assigned with a newly created array
with length equal to the number of method parameters.
First parameter is stored in the array at index 0, second parameter - at index 1 etc.
If instrumented method has no parameters, parameter annotated with @Params
will be assigned with an empty array.
Parameters of reference types will be stored as is. Parameters of primitive types will be stored boxed.
Note, that each time a callback with parameter annotated with @Params
is invoked, a new array is created.
For performance considerations,
use @Param(<number>) instead whenever possible.