Package io.prestosql.operator.aggregation

Class StringApproximateMostFrequentStateSerializer

java.lang.Object

io.prestosql.operator.aggregation.StringApproximateMostFrequentStateSerializer

All Implemented Interfaces:

AccumulatorStateSerializer<VarcharApproximateMostFrequent.State>

public class StringApproximateMostFrequentStateSerializer
extends Object
implements AccumulatorStateSerializer<VarcharApproximateMostFrequent.State>

Constructor Summary

Constructors

Constructor	Description
StringApproximateMostFrequentStateSerializer()

Method Summary

Modifier and Type	Method	Description
void	deserialize(Block block, int index, VarcharApproximateMostFrequent.State state)
static void	deserializeBucket(io.airlift.slice.SliceInput input, ApproximateMostFrequentHistogram<io.airlift.slice.Slice> histogram)
Type	getSerializedType()
void	serialize(VarcharApproximateMostFrequent.State state, BlockBuilder out)
static void	serializeBucket(io.airlift.slice.Slice key, Long count, io.airlift.slice.DynamicSliceOutput output)

Methods inherited from class java.lang.Object

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

Constructor Detail

StringApproximateMostFrequentStateSerializer

public StringApproximateMostFrequentStateSerializer()

Method Detail

serializeBucket

public static void serializeBucket(io.airlift.slice.Slice key,
                                   Long count,
                                   io.airlift.slice.DynamicSliceOutput output)

deserializeBucket

public static void deserializeBucket(io.airlift.slice.SliceInput input,
                                     ApproximateMostFrequentHistogram<io.airlift.slice.Slice> histogram)

getSerializedType

public Type getSerializedType()

Specified by:

getSerializedType in interface AccumulatorStateSerializer<VarcharApproximateMostFrequent.State>

serialize

public void serialize(VarcharApproximateMostFrequent.State state,
                      BlockBuilder out)

Specified by:

serialize in interface AccumulatorStateSerializer<VarcharApproximateMostFrequent.State>

deserialize

public void deserialize(Block block,
                        int index,
                        VarcharApproximateMostFrequent.State state)

Specified by:

deserialize in interface AccumulatorStateSerializer<VarcharApproximateMostFrequent.State>