Package io.trino.operator.aggregation

Class AggregationMetadata

java.lang.Object

io.trino.operator.aggregation.AggregationMetadata

public class AggregationMetadata
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AggregationMetadata.AccumulatorStateDescriptor<T extends AccumulatorState>
static class	AggregationMetadata.AggregationParameterKind

Constructor Summary

Constructors

Constructor	Description
AggregationMetadata(List<AggregationMetadata.AggregationParameterKind> inputParameterKinds, MethodHandle inputFunction, Optional<MethodHandle> removeInputFunction, MethodHandle combineFunction, MethodHandle outputFunction, List<AggregationMetadata.AccumulatorStateDescriptor<?>> accumulatorStateDescriptors)
AggregationMetadata(List<AggregationMetadata.AggregationParameterKind> inputParameterKinds, MethodHandle inputFunction, Optional<MethodHandle> removeInputFunction, MethodHandle combineFunction, MethodHandle outputFunction, List<AggregationMetadata.AccumulatorStateDescriptor<?>> accumulatorStateDescriptors, List<Class<?>> lambdaInterfaces)

Method Summary

Modifier and Type	Method	Description
List<AggregationMetadata.AccumulatorStateDescriptor<?>>	getAccumulatorStateDescriptors()
MethodHandle	getCombineFunction()
MethodHandle	getInputFunction()
List<AggregationMetadata.AggregationParameterKind>	getInputParameterKinds()
List<Class<?>>	getLambdaInterfaces()
MethodHandle	getOutputFunction()
Optional<MethodHandle>	getRemoveInputFunction()

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationMetadata

public AggregationMetadata(List<AggregationMetadata.AggregationParameterKind> inputParameterKinds,
                           MethodHandle inputFunction,
                           Optional<MethodHandle> removeInputFunction,
                           MethodHandle combineFunction,
                           MethodHandle outputFunction,
                           List<AggregationMetadata.AccumulatorStateDescriptor<?>> accumulatorStateDescriptors)

AggregationMetadata

public AggregationMetadata(List<AggregationMetadata.AggregationParameterKind> inputParameterKinds,
                           MethodHandle inputFunction,
                           Optional<MethodHandle> removeInputFunction,
                           MethodHandle combineFunction,
                           MethodHandle outputFunction,
                           List<AggregationMetadata.AccumulatorStateDescriptor<?>> accumulatorStateDescriptors,
                           List<Class<?>> lambdaInterfaces)

Method Detail

getInputParameterKinds

public List<AggregationMetadata.AggregationParameterKind> getInputParameterKinds()

getLambdaInterfaces

public List<Class<?>> getLambdaInterfaces()

getInputFunction

public MethodHandle getInputFunction()

getRemoveInputFunction

public Optional<MethodHandle> getRemoveInputFunction()

getCombineFunction

public MethodHandle getCombineFunction()

getOutputFunction

public MethodHandle getOutputFunction()

getAccumulatorStateDescriptors

public List<AggregationMetadata.AccumulatorStateDescriptor<?>> getAccumulatorStateDescriptors()