@Override
    public String getValueByNameAsString(final String valueName,
                                         final String intervalName,
                                         final TimeUnit timeUnit) {
        final StatValue value = getValueByName(valueName);
        if (value == null) {
            return null;
        }

        return value.getValueAsString(intervalName);
    }
@ Override public String getValueByNameAsString ( final String valueName , final String intervalName , final TimeUnit timeUnit ) { final StatValue value = getValueByName ( valueName ) ; if ( value == null ) { return null ; } return value . getValueAsString ( intervalName ) ; }
{@inheritDoc}