Package org.hcjf.layers.query.functions

Interface QueryAggregateFunctionLayerInterface

All Superinterfaces:

java.lang.reflect.InvocationHandler, LayerInterface

All Known Implementing Classes:

BaseQueryAggregateFunctionLayer, ContextAggregateFunction, CountQueryAggregateFunctionLayer, DistinctQueryAggregateFunction, EvalExpressionAggregateFunctionLayer, GeoDistanceAggregateFunctionLayer, GeoUnionAggregateFunctionLayer, MaxAggregateFunctionLayer, MeanAggregateFunctionLayer, MinAggregateFunctionLayer, ProductAggregateFunctionLayer, SumAggregateFunctionLayer

public interface QueryAggregateFunctionLayerInterface
extends LayerInterface

Author:

javaito

Method Summary

Modifier and Type	Method	Description
java.util.Collection	evaluate(java.lang.String alias, java.util.Collection resultSet, java.lang.Object... parameters)	Evaluates the specific function.

Methods inherited from interface java.lang.reflect.InvocationHandler

invoke

Methods inherited from interface org.hcjf.layers.LayerInterface

getImplName, getRegex, isDistributed, isPlugin, isStateful

Method Detail

evaluate

java.util.Collection evaluate(java.lang.String alias,
                              java.util.Collection resultSet,
                              java.lang.Object... parameters)

Evaluates the specific function.

Parameters:

resultSet - Result set obtained for the query evaluation.

parameters - Function's parameters.

alias - Alias of the function

Returns:

Function result.