com.sun.btrace.annotations
Annotation Type OnMethod

@Retention(value=RUNTIME)
@Target(value=METHOD)
public @interface OnMethod

This annotation specifies a BTrace probe point by specifying a java class (or classes), a method (or methods in it) and a specific location within it. A BTrace trace action method annotated by this annotation is called when matching the traced program reaches the specified location.

Author:

A. Sundararajan

Required Element Summary

java.lang.String

clazz The probed (or traced) class name.

Optional Element Summary

boolean	follow
Location	location Identifies exact "location" or "point" of interest to probe within the set of methods.
java.lang.String	method The probed (or traced) method name.
java.lang.String	type This is method type declaration.

Element Detail

clazz

public abstract java.lang.String clazz

The probed (or traced) class name. This is either fully qualified name of the class or regular expression within two forward slash characters [like /java\\.awt\\..+/] or @annotation_of_the_class. i.e., specify a class indirectly as a class annotated by specified annotation.

method

public abstract java.lang.String method

The probed (or traced) method name. This is either the name of the method or regular expression within two forward slash characters [like /read.+/] or @annotation_of_the_method. i.e., specify a method indirectly as a method annotated by specified annotation.

Default:

""

type

public abstract java.lang.String type

This is method type declaration. This is like Java method declaration but not including method name, parameter names and throws clause.

Default:

""

location

public abstract Location location

Identifies exact "location" or "point" of interest to probe within the set of methods.

Default:

@com.sun.btrace.annotations.Location

follow

public abstract boolean follow

Default:

false