com.facebook.presto.operator.aggregation.approxmostfrequent

Class ApproximateMostFrequentStateFactory.GroupedApproximateMostFrequentState

java.lang.Object

com.facebook.presto.operator.aggregation.state.AbstractGroupedAccumulatorState

com.facebook.presto.operator.aggregation.approxmostfrequent.ApproximateMostFrequentStateFactory.GroupedApproximateMostFrequentState

All Implemented Interfaces:

ApproximateMostFrequentState, AccumulatorState, GroupedAccumulatorState

Enclosing class:

ApproximateMostFrequentStateFactory

public static class ApproximateMostFrequentStateFactory.GroupedApproximateMostFrequentState
extends AbstractGroupedAccumulatorState
implements ApproximateMostFrequentState

Constructor Summary

Constructors

Constructor and Description
GroupedApproximateMostFrequentState()

Method Summary

Modifier and Type	Method and Description
void	ensureCapacity(long size)
long	getEstimatedSize()
StreamSummary	getStateSummary()
void	setStateSummary(StreamSummary histogram)

Methods inherited from class com.facebook.presto.operator.aggregation.state.AbstractGroupedAccumulatorState

getGroupId, setGroupId

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupedApproximateMostFrequentState

public GroupedApproximateMostFrequentState()

Method Detail

getStateSummary

public StreamSummary getStateSummary()

Specified by:

getStateSummary in interface ApproximateMostFrequentState

setStateSummary

public void setStateSummary(StreamSummary histogram)

Specified by:

setStateSummary in interface ApproximateMostFrequentState

ensureCapacity

public void ensureCapacity(long size)

Specified by:

ensureCapacity in interface GroupedAccumulatorState

getEstimatedSize

public long getEstimatedSize()

Specified by:

getEstimatedSize in interface AccumulatorState