http://metrics.dropwizard.io/metrics-healthchecks: An addition to Metrics which provides the ability to run application-specific health checks, allowing you to check your application's heath in production.
  • Coda Hale
  • Ryan Tenney
  • Artem Prigoda 
package com.codahale.metrics.health;

import java.util.EventListener;


A listener contract for HealthCheckRegistry events. 
/**
 * A listener contract for {@link HealthCheckRegistry} events.
 */
public interface HealthCheckRegistryListener extends EventListener {

    
Called when a new HealthCheck is added to the registry. 
Params:
  • name –        the name of the health check
  • healthCheck – the health check
/**
     * Called when a new {@link HealthCheck} is added to the registry.
     *
     * @param name        the name of the health check
     * @param healthCheck the health check
     */
    void onHealthCheckAdded(String name, HealthCheck healthCheck);

    
Called when a HealthCheck is removed from the registry. 
Params:
  • name –        the name of the health check
  • healthCheck – the health check
/**
     * Called when a {@link HealthCheck} is removed from the registry.
     *
     * @param name        the name of the health check
     * @param healthCheck the health check
     */
    void onHealthCheckRemoved(String name, HealthCheck healthCheck);

}