sun.tracing
Class ProbeSkeleton

java.lang.Object
  sun.tracing.ProbeSkeleton

All Implemented Interfaces:

Probe

public abstract class ProbeSkeleton
extends java.lang.Object
implements Probe

Provides common code for implementation of Probe classes.

Since:

1.7

Field Summary

protected java.lang.Class<?>[]

parameters

Constructor Summary

protected

ProbeSkeleton(java.lang.Class<?>[] parameters)

Method Summary

abstract boolean	isEnabled() Checks whether there is an active trace of this probe.
void	trigger(java.lang.Object... args) Performs a type-check of the parameters before triggering the probe.
abstract void	uncheckedTrigger(java.lang.Object[] args) Triggers the probe with verified arguments.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

parameters

protected java.lang.Class<?>[] parameters

Constructor Detail

ProbeSkeleton

protected ProbeSkeleton(java.lang.Class<?>[] parameters)

Method Detail

isEnabled

public abstract boolean isEnabled()

Description copied from interface: Probe

Checks whether there is an active trace of this probe.

Specified by:

isEnabled in interface Probe

Returns:

true if an active trace is detected.

uncheckedTrigger

public abstract void uncheckedTrigger(java.lang.Object[] args)

Triggers the probe with verified arguments. The caller of this method must have already determined that the arity and types of the arguments match what the probe was declared with.

trigger

public void trigger(java.lang.Object... args)

Performs a type-check of the parameters before triggering the probe.

Specified by:

trigger in interface Probe

Parameters:

args - the parameters to pass to the method.