@Override
    protected JobClient build0() {
        JobClientProperties properties = PropertiesConfigurationFactory
                .createPropertiesConfiguration(JobClientProperties.class, locations);

        JobClient jobClient = buildByProperties(properties);

        if (jobCompletedHandler != null) {
            jobClient.setJobCompletedHandler(jobCompletedHandler);
        }

        return jobClient;
    }
@author Robert HG (254963746@qq.com) on 4/21/16.
lts-jobclient/src/main/java/com/github/ltsopensource/jobclient/JobClientBuilder.java