Class AggregationImplementation

java.lang.Object

io.trino.spi.function.AggregationImplementation

@Experimental(eta="2022-10-31")
public class AggregationImplementation
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AggregationImplementation.AccumulatorStateDescriptor<T extends AccumulatorState>
static class	AggregationImplementation.Builder

Method Summary

Modifier and Type	Method	Description
static AggregationImplementation.Builder	builder()
List<AggregationImplementation.AccumulatorStateDescriptor<?>>	getAccumulatorStateDescriptors()
Optional<MethodHandle>	getCombineFunction()
MethodHandle	getInputFunction()
List<Class<?>>	getLambdaInterfaces()
MethodHandle	getOutputFunction()
Optional<Class<? extends WindowAccumulator>>	getWindowAccumulator()

Methods inherited from class java.lang.Object

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

Method Details

getInputFunction

public MethodHandle getInputFunction()

getCombineFunction

public Optional<MethodHandle> getCombineFunction()

getOutputFunction

public MethodHandle getOutputFunction()

getAccumulatorStateDescriptors

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

getLambdaInterfaces

public List<Class<?>> getLambdaInterfaces()

getWindowAccumulator

public Optional<Class<? extends WindowAccumulator>> getWindowAccumulator()

builder

public static AggregationImplementation.Builder builder()