src/main/java/pta/de/health/ConfigFilePresentHealthCheck.java

package pta.de.health;

import com.codahale.metrics.health.HealthCheck;
import pta.de.api.ServiceDistributionCluster;
import pta.de.core.controller.ServicesConfigCache;

public class ConfigFilePresentHealthCheck extends HealthCheck {
    @Override
    protected Result check() throws Exception {
        ServiceDistributionCluster[] sdc = ServicesConfigCache.getInstance().getCache(); // Throws Exception if it fails

        if (sdc != null && sdc.length > 0) {
            return Result.healthy();
        }
        else {
            return Result.unhealthy("No ServiceDistributionCluster available!");
        }
    }
}