com.facebook.presto.operator.aggregation

Class AggregationFromAnnotationsParser

java.lang.Object

com.facebook.presto.operator.aggregation.AggregationFromAnnotationsParser

public class AggregationFromAnnotationsParser
extends Object

Method Summary

Modifier and Type	Method and Description
static Method	getCombineFunction(Class<?> clazz, Class<?> stateClass)
static ParametricAggregation	parseFunctionDefinition(Class<?> aggregationDefinition)
static List<ParametricAggregation>	parseFunctionDefinitions(Class<?> aggregationDefinition)
static ParametricAggregation	parseFunctionDefinitionWithTypesConstraint(Class<?> clazz, TypeSignature returnType, List<TypeSignature> argumentTypes)

Methods inherited from class java.lang.Object

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

Method Detail

parseFunctionDefinitionWithTypesConstraint

public static ParametricAggregation parseFunctionDefinitionWithTypesConstraint(Class<?> clazz,
                                                                               TypeSignature returnType,
                                                                               List<TypeSignature> argumentTypes)

parseFunctionDefinitions

public static List<ParametricAggregation> parseFunctionDefinitions(Class<?> aggregationDefinition)

parseFunctionDefinition

public static ParametricAggregation parseFunctionDefinition(Class<?> aggregationDefinition)

getCombineFunction

public static Method getCombineFunction(Class<?> clazz,
                                        Class<?> stateClass)