Package org.pjdbc.jmx

Class CircuitBreakerRegistry

java.lang.Object

org.pjdbc.jmx.CircuitBreakerRegistry

public class CircuitBreakerRegistry
extends Object

Registry for CircuitBreaker instances with optional JMX registration.

JMX registration is disabled by default. Enable via:

• System property: -Dpjdbc.jmx.enabled=true
• Programmatic: CircuitBreakerRegistry.enableJmx()

When enabled, circuit breakers are registered under: org.pjdbc:type=CircuitBreaker,name=<name>

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all circuit breakers and MBeans (for testing).
static void	disableJmx()	Disable JMX registration and unregister all MBeans.
static void	enableJmx()	Enable JMX registration for circuit breakers.
CircuitBreakerDriver.CircuitBreaker	get(String name)	Get a circuit breaker by name.
int	getCount()	Get the count of registered circuit breakers.
static CircuitBreakerRegistry	getInstance()	Get the singleton registry instance.
Iterable<String>	getNames()	Get all registered circuit breaker names.
static boolean	isJmxEnabled()	Check if JMX is enabled.
void	register(CircuitBreakerDriver.CircuitBreaker circuitBreaker)	Register a circuit breaker with the registry.
void	unregister(String name)	Unregister a circuit breaker from the registry.

Methods inherited from class java.lang.Object

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

Method Details

getInstance

public static CircuitBreakerRegistry getInstance()

Get the singleton registry instance.

enableJmx

public static void enableJmx()

Enable JMX registration for circuit breakers. Also registers any circuit breakers that were created before JMX was enabled.

disableJmx

public static void disableJmx()

Disable JMX registration and unregister all MBeans.

isJmxEnabled

public static boolean isJmxEnabled()

Check if JMX is enabled.

register

public void register(CircuitBreakerDriver.CircuitBreaker circuitBreaker)

Register a circuit breaker with the registry. If JMX is enabled, also registers an MBean.

unregister

public void unregister(String name)

Unregister a circuit breaker from the registry.

get

public CircuitBreakerDriver.CircuitBreaker get(String name)

Get a circuit breaker by name.

getNames

public Iterable<String> getNames()

Get all registered circuit breaker names.

getCount

public int getCount()

Get the count of registered circuit breakers.

clear

public void clear()

Clear all circuit breakers and MBeans (for testing).