@Override
    protected Map<String, List<DataSourceAlarmVO>> getAgentValues() {
        return ((DataSourceDataGetter) dataCollector).getDataSourceConnectionUsageRate();
    }
@author Taejin Koo
@author Jongjin.Bae
batch/src/main/java/com/navercorp/pinpoint/batch/alarm/checker/DataSourceConnectionUsageRateChecker.java