private static IMongoQuery CompositeQuery(ModelInfo.SearchParamDefinition parameterDef, Operator optor, String modifier, ValueExpression operand)
{
if (optor == Operator.IN)
{
var choices = ((ChoiceValue)operand);
var queries = new List <IMongoQuery>();
foreach (var choice in choices.Choices)
{
queries.Add(CompositeQuery(parameterDef, Operator.EQ, modifier, choice));
}
return(M.Query.Or(queries));
}
else if (optor == Operator.EQ)
{
var typedOperand = (CompositeValue)operand;
var queries = new List <IMongoQuery>();
var components = typedOperand.Components;
var subParams = parameterDef.CompositeParams;
if (components.Count() != subParams.Count())
{
throw new ArgumentException(String.Format("Parameter {0} requires exactly {1} composite values, not the currently provided {2} values.", parameterDef.Name, subParams.Count(), components.Count()));
}
for (int i = 0; i < subParams.Count(); i++)
{
var subCrit = new Criterium();
subCrit.Type = Operator.EQ;
subCrit.ParamName = subParams[i];
subCrit.Operand = components[i];
subCrit.Modifier = modifier;
queries.Add(subCrit.ToFilter(parameterDef.Resource));
}
return(M.Query.And(queries));
}
throw new ArgumentException(String.Format("Invalid operator {0} on composite parameter {1}", optor.ToString(), parameterDef.Name));
}
