/**
* Create a single {@link com.rackspacecloud.blueflood.service.SingleRollupWriteContext} from the
* given {@link com.rackspacecloud.blueflood.types.IMetric} and Granularity.
*
* @param destGran
* @param metric
* @return
* @throws IOException
*/
protected SingleRollupWriteContext createSingleRollupWriteContext(
Granularity destGran, IMetric metric) throws IOException {
Locator locator = metric.getLocator();
Points<SimpleNumber> points = new Points<SimpleNumber>();
points.add(
new Points.Point<SimpleNumber>(
metric.getCollectionTime(), new SimpleNumber(metric.getMetricValue())));
BasicRollup rollup = BasicRollup.buildRollupFromRawSamples(points);
return new SingleRollupWriteContext(
rollup,
locator,
destGran,
CassandraModel.getBasicColumnFamily(destGran),
metric.getCollectionTime());
}
