Package org.apache.iotdb.db.mpp.execution.operator.process

Class SlidingWindowAggregationOperator

java.lang.Object

org.apache.iotdb.db.mpp.execution.operator.process.SingleInputAggregationOperator

org.apache.iotdb.db.mpp.execution.operator.process.SlidingWindowAggregationOperator

All Implemented Interfaces:

java.lang.AutoCloseable, Operator, ProcessOperator

public class SlidingWindowAggregationOperator
extends SingleInputAggregationOperator

Field Summary

Fields inherited from class org.apache.iotdb.db.mpp.execution.operator.process.SingleInputAggregationOperator

aggregators, ascending, canCallNext, child, curTimeRange, inputTsBlock, maxRetainedSize, maxReturnSize, operatorContext, resultTsBlockBuilder, timeRangeIterator

Fields inherited from interface org.apache.iotdb.db.mpp.execution.operator.Operator

NOT_BLOCKED

Constructor Summary

Constructors

Constructor	Description
SlidingWindowAggregationOperator(OperatorContext operatorContext, java.util.List<Aggregator> aggregators, ITimeRangeIterator timeRangeIterator, Operator child, boolean ascending, GroupByTimeParameter groupByTimeParameter, long maxReturnSize)

Method Summary

Modifier and Type	Method	Description
protected boolean	calculateNextAggregationResult()

Methods inherited from class org.apache.iotdb.db.mpp.execution.operator.process.SingleInputAggregationOperator

calculateMaxPeekMemory, calculateMaxReturnSize, calculateRetainedSizeAfterCallingNext, close, getOperatorContext, hasNext, isBlocked, isFinished, next, updateResultTsBlock

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SlidingWindowAggregationOperator

public SlidingWindowAggregationOperator(OperatorContext operatorContext,
                                        java.util.List<Aggregator> aggregators,
                                        ITimeRangeIterator timeRangeIterator,
                                        Operator child,
                                        boolean ascending,
                                        GroupByTimeParameter groupByTimeParameter,
                                        long maxReturnSize)

Method Detail

calculateNextAggregationResult

protected boolean calculateNextAggregationResult()

Specified by:

calculateNextAggregationResult in class SingleInputAggregationOperator