Package io.prestosql.operator.aggregation.histogram

Class SingleTypedHistogram

java.lang.Object

io.prestosql.operator.aggregation.histogram.SingleTypedHistogram

All Implemented Interfaces:

TypedHistogram

public class SingleTypedHistogram
extends Object
implements TypedHistogram

Constructor Summary

Constructors

Constructor	Description
SingleTypedHistogram(Block block, Type type, BlockTypeOperators.BlockPositionEqual equalOperator, BlockTypeOperators.BlockPositionHashCode hashCodeOperator, int expectedSize)
SingleTypedHistogram(Type type, BlockTypeOperators.BlockPositionEqual equalOperator, BlockTypeOperators.BlockPositionHashCode hashCodeOperator, int expectedSize)

Method Summary

Modifier and Type	Method	Description
void	add(int position, Block block, long count)
void	addAll(TypedHistogram other)
long	getEstimatedSize()
int	getExpectedSize()
Type	getType()
boolean	isEmpty()
void	readAllValues(HistogramValueReader reader)
void	serialize(BlockBuilder out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.prestosql.operator.aggregation.histogram.TypedHistogram

ensureCapacity, setGroupId

Constructor Detail

SingleTypedHistogram

public SingleTypedHistogram(Type type,
                            BlockTypeOperators.BlockPositionEqual equalOperator,
                            BlockTypeOperators.BlockPositionHashCode hashCodeOperator,
                            int expectedSize)

SingleTypedHistogram

public SingleTypedHistogram(Block block,
                            Type type,
                            BlockTypeOperators.BlockPositionEqual equalOperator,
                            BlockTypeOperators.BlockPositionHashCode hashCodeOperator,
                            int expectedSize)

Method Detail

getEstimatedSize

public long getEstimatedSize()

Specified by:

getEstimatedSize in interface TypedHistogram

serialize

public void serialize(BlockBuilder out)

Specified by:

serialize in interface TypedHistogram

addAll

public void addAll(TypedHistogram other)

Specified by:

addAll in interface TypedHistogram

readAllValues

public void readAllValues(HistogramValueReader reader)

Specified by:

readAllValues in interface TypedHistogram

add

public void add(int position,
                Block block,
                long count)

Specified by:

add in interface TypedHistogram

getType

public Type getType()

Specified by:

getType in interface TypedHistogram

getExpectedSize

public int getExpectedSize()

Specified by:

getExpectedSize in interface TypedHistogram

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface TypedHistogram