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>

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
List<AggregationMetadata.AccumulatorStateDescriptor<?>>	getAccumulatorStateDescriptors()
Optional<MethodHandle>	getCombineFunction()
MethodHandle	getInputFunction()
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 Details

AggregationMetadata

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

AggregationMetadata

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

Method Details

getInputFunction

public MethodHandle getInputFunction()

getRemoveInputFunction

public Optional<MethodHandle> getRemoveInputFunction()

getCombineFunction

public Optional<MethodHandle> getCombineFunction()

getOutputFunction

public MethodHandle getOutputFunction()

getAccumulatorStateDescriptors

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

getLambdaInterfaces

public List<Class<?>> getLambdaInterfaces()