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
static class	AggregationMetadata.ParameterMetadata

Constructor Summary

Constructors

Constructor	Description
AggregationMetadata(String name, List<AggregationMetadata.ParameterMetadata> valueInputMetadata, MethodHandle inputFunction, Optional<MethodHandle> removeInputFunction, MethodHandle combineFunction, MethodHandle outputFunction, List<AggregationMetadata.AccumulatorStateDescriptor> accumulatorStateDescriptors, Type outputType)
AggregationMetadata(String name, List<AggregationMetadata.ParameterMetadata> valueInputMetadata, MethodHandle inputFunction, Optional<MethodHandle> removeInputFunction, MethodHandle combineFunction, MethodHandle outputFunction, List<AggregationMetadata.AccumulatorStateDescriptor> accumulatorStateDescriptors, Type outputType, List<Class<?>> lambdaInterfaces)

Method Summary

Modifier and Type	Method	Description
static int	countInputChannels(List<AggregationMetadata.ParameterMetadata> metadatas)
List<AggregationMetadata.AccumulatorStateDescriptor>	getAccumulatorStateDescriptors()
MethodHandle	getCombineFunction()
MethodHandle	getInputFunction()
List<Class<?>>	getLambdaInterfaces()
String	getName()
MethodHandle	getOutputFunction()
Type	getOutputType()
Optional<MethodHandle>	getRemoveInputFunction()
List<AggregationMetadata.ParameterMetadata>	getValueInputMetadata()

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationMetadata

public AggregationMetadata(String name,
                           List<AggregationMetadata.ParameterMetadata> valueInputMetadata,
                           MethodHandle inputFunction,
                           Optional<MethodHandle> removeInputFunction,
                           MethodHandle combineFunction,
                           MethodHandle outputFunction,
                           List<AggregationMetadata.AccumulatorStateDescriptor> accumulatorStateDescriptors,
                           Type outputType)

AggregationMetadata

public AggregationMetadata(String name,
                           List<AggregationMetadata.ParameterMetadata> valueInputMetadata,
                           MethodHandle inputFunction,
                           Optional<MethodHandle> removeInputFunction,
                           MethodHandle combineFunction,
                           MethodHandle outputFunction,
                           List<AggregationMetadata.AccumulatorStateDescriptor> accumulatorStateDescriptors,
                           Type outputType,
                           List<Class<?>> lambdaInterfaces)

Method Detail

getOutputType

public Type getOutputType()

getValueInputMetadata

public List<AggregationMetadata.ParameterMetadata> getValueInputMetadata()

getLambdaInterfaces

public List<Class<?>> getLambdaInterfaces()

getName

public String getName()

getInputFunction

public MethodHandle getInputFunction()

getRemoveInputFunction

public Optional<MethodHandle> getRemoveInputFunction()

getCombineFunction

public MethodHandle getCombineFunction()

getOutputFunction

public MethodHandle getOutputFunction()

getAccumulatorStateDescriptors

public List<AggregationMetadata.AccumulatorStateDescriptor> getAccumulatorStateDescriptors()

countInputChannels

public static int countInputChannels(List<AggregationMetadata.ParameterMetadata> metadatas)