/**
* Convert a list of {@link com.rackspacecloud.blueflood.types.Points} into a list of {@link
* com.rackspacecloud.blueflood.service.SingleRollupWriteContext} for the given Granularity and
* Locator.
*
* @param locator
* @param points
* @param gran
* @return
*/
protected List<SingleRollupWriteContext> toWriteContext(
Locator locator, Points<Rollup> points, Granularity gran) {
List<SingleRollupWriteContext> resultList = new ArrayList<SingleRollupWriteContext>();
for (Map.Entry<Long, Points.Point<Rollup>> entry : points.getPoints().entrySet()) {
resultList.add(
new SingleRollupWriteContext(
entry.getValue().getData(),
locator,
gran,
CassandraModel.getBasicColumnFamily(gran),
entry.getKey()));
}
return resultList;
}
/**
* 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());
}