Package nz.org.riskscape.engine.rl.agg

Class ModeAggregationFunction

java.lang.Object

nz.org.riskscape.engine.rl.agg.ListCollecting

nz.org.riskscape.engine.rl.agg.ModeAggregationFunction

All Implemented Interfaces:

nz.org.riskscape.engine.rl.agg.AggregationFunction

public class ModeAggregationFunction
extends ListCollecting

AggregationFunction to find the mode(most observed value).

Should there be many values that qualify as most observed then one of them will be returned as the mode.

Nested Class Summary

Nested classes/interfaces inherited from class nz.org.riskscape.engine.rl.agg.ListCollecting

ListCollecting.ListProcessor, ListCollecting.LocalProblems

Constructor Summary

Constructors

Constructor	Description
ModeAggregationFunction()

Method Summary

Modifier and Type	Method	Description
protected ListCollecting.ListProcessor	buildProcessor(nz.org.riskscape.engine.types.RSList listType, nz.org.riskscape.engine.rl.RealizationContext context, nz.org.riskscape.engine.types.Type inputType, nz.org.riskscape.rl.ast.FunctionCall fc)	Build a ListCollecting.ListProcessor that can produce the aggregated result.

Methods inherited from class nz.org.riskscape.engine.rl.agg.ListCollecting

realize

Methods inherited from class java.lang.Object

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

Methods inherited from interface nz.org.riskscape.engine.rl.agg.AggregationFunction

getArguments, getReturnType

Constructor Details

ModeAggregationFunction

public ModeAggregationFunction()

Method Details

buildProcessor

protected ListCollecting.ListProcessor buildProcessor(nz.org.riskscape.engine.types.RSList listType,
 nz.org.riskscape.engine.rl.RealizationContext context,
 nz.org.riskscape.engine.types.Type inputType,
 nz.org.riskscape.rl.ast.FunctionCall fc)
                                               throws nz.org.riskscape.problem.ProblemException

Description copied from class: ListCollecting

Build a ListCollecting.ListProcessor that can produce the aggregated result.

Specified by:

buildProcessor in class ListCollecting

Parameters:

listType - type of the list that will be passed to built processor

context - context to realize any other expressions with

Returns:

list processor to capable of producing aggregated result

Throws:

nz.org.riskscape.problem.ProblemException - with any problems encountered