private IAggregatorFactory BuildAggregatorFactory(ReteBuilderContext context, AggregateElement element)
{
IAggregatorFactory factory;
switch (element.Name)
{
case AggregateElement.CollectName:
factory = new CollectionAggregatorFactory();
break;
case AggregateElement.GroupByName:
factory = new GroupByAggregatorFactory();
break;
case AggregateElement.ProjectName:
factory = new ProjectionAggregatorFactory();
break;
case AggregateElement.FlattenName:
factory = new FlatteningAggregatorFactory();
break;
default:
factory = GetCustomFactory(element);
break;
}
var compiledExpressions = CompileExpressions(context, element);
factory.Compile(element, compiledExpressions);
return(factory);
}
private IAggregatorFactory BuildAggregatorFactory(ReteBuilderContext context, AggregateElement element)
{
IAggregatorFactory factory;
switch (element.Name)
{
case AggregateElement.CollectName:
factory = new CollectionAggregatorFactory();
break;
case AggregateElement.GroupByName:
factory = new GroupByAggregatorFactory();
break;
case AggregateElement.ProjectName:
factory = new ProjectionAggregatorFactory();
break;
case AggregateElement.FlattenName:
factory = new FlatteningAggregatorFactory();
break;
default:
throw new ArgumentException(
$"Unrecognized aggregate element. Name={element.Name}");
}
var compiledExpressions = CompileExpressions(context, element);
factory.Compile(element, compiledExpressions);
return(factory);
}