Package nz.org.riskscape.engine.function

Class CompositeAggregationFunction

java.lang.Object
nz.org.riskscape.engine.function.CompositeAggregationFunction
All Implemented Interfaces:
nz.org.riskscape.engine.rl.agg.AggregationFunction
public class CompositeAggregationFunction extends Object implements nz.org.riskscape.engine.rl.agg.AggregationFunction

An AggregationFunction that is composed of one or more child AggregationFunction. Built primarily for the wizard so that it can apply aggregation functions to a struct to workaround a nullability issue that exists if you tried to apply the aggregation to the whole struct.

Expected to be used for aggregating multiple attributes of a Struct but can also be used to aggregate a simple value with multiple aggregations.

In either case a Struct is produced.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static interface 
    CompositeAggregationFunction.LocalProblems
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    CompositeAggregationFunction()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    nz.org.riskscape.problem.ResultOrProblems<nz.org.riskscape.engine.rl.agg.RealizedAggregateExpression>
    realize(nz.org.riskscape.engine.rl.RealizationContext context, nz.org.riskscape.engine.types.Type inputType, nz.org.riskscape.rl.ast.FunctionCall fc)
     

    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

    • CompositeAggregationFunction

      public CompositeAggregationFunction()

  • Method Details

    • realize

      public nz.org.riskscape.problem.ResultOrProblems<nz.org.riskscape.engine.rl.agg.RealizedAggregateExpression> realize(nz.org.riskscape.engine.rl.RealizationContext context, nz.org.riskscape.engine.types.Type inputType, nz.org.riskscape.rl.ast.FunctionCall fc)
      Specified by:
      realize in interface nz.org.riskscape.engine.rl.agg.AggregationFunction