Uses of Class
org.apache.iotdb.db.mpp.aggregation.slidingwindow.SlidingWindowAggregator

Packages that use SlidingWindowAggregator

Package	Description
org.apache.iotdb.db.mpp.aggregation.slidingwindow

Uses of SlidingWindowAggregator in org.apache.iotdb.db.mpp.aggregation.slidingwindow

Subclasses of SlidingWindowAggregator in org.apache.iotdb.db.mpp.aggregation.slidingwindow

Modifier and Type	Class	Description
class	EmptyQueueSlidingWindowAggregator	When calculating MAX_TIME and LAST_VALUE (the MIN_TIME and FIRST_VALUE in descending order), the aggregation result always appears in the most recent pre-aggregation result.
class	MonotonicQueueSlidingWindowAggregator	When computing MAX_VALUE, MIN_VALUE, EXTREME, we only add partial aggregation results that maintain monotonicity to queue.
class	NormalQueueSlidingWindowAggregator	When calculating MIN_TIME and FIRST_VALUE (MAX_TIME and LAST_VALUE in descending order), the aggregated result always appears at the head of the queue.
class	SmoothQueueSlidingWindowAggregator	The aggregation result is calculated from all pre-aggregation results in the currently maintained queue when calculating the COUNT, SUM, and AVG.

Methods in org.apache.iotdb.db.mpp.aggregation.slidingwindow that return SlidingWindowAggregator

Modifier and Type	Method	Description
static SlidingWindowAggregator	SlidingWindowAggregatorFactory.createSlidingWindowAggregator(AggregationType aggregationType, org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType, boolean ascending, java.util.List<InputLocation[]> inputLocationList, AggregationStep step)