blueflood-core/src/main/java/com/rackspacecloud/blueflood/io/datastax/DPreaggregatedMetricsRW.java
@Override
    public Map<Locator, MetricData> getDatapointsForRange(List<Locator> locators,
                                                          Range range,
                                                          Granularity granularity) /*throws IOException*/ {

        String columnFamily = CassandraModel.getPreaggregatedColumnFamilyName(granularity);

        return getDatapointsForRange( locators, range, columnFamily, granularity );
    }
@Override
    public Map<Locator, MetricData> getDatapointsForRange(List<Locator> locators,
                                                          Range range,
                                                          Granularity granularity) /*throws IOException*/ {

        String columnFamily = CassandraModel.getPreaggregatedColumnFamilyName(granularity);

        return getDatapointsForRange( locators, range, columnFamily, granularity );
    }
Fetches {@link com.rackspacecloud.blueflood.outputs.formats.MetricData} objects for the
specified list of {@link com.rackspacecloud.blueflood.types.Locator} and
{@link com.rackspacecloud.blueflood.types.Range} from the specified column family

@param locators
@param range
@param granularity
@return