public static String GetName(this SupportAggMFFunc value)
{
switch (value)
{
case SupportAggMFFunc.SINGLE_EVENT_1:
return("se1");
case SupportAggMFFunc.SINGLE_EVENT_2:
return("se2");
case SupportAggMFFunc.ENUM_EVENT:
return("ee");
case SupportAggMFFunc.COLL_SCALAR:
return("sc");
case SupportAggMFFunc.ARR_SCALAR:
return("sa");
case SupportAggMFFunc.SCALAR:
return("ss");
}
throw new ArgumentException();
}
public static PlugInAggregationMultiFunctionStateFactory GetStateFactory(this SupportAggMFFunc value, PlugInAggregationMultiFunctionValidationContext validationContext)
{
if (value == SupportAggMFFunc.SCALAR)
{
if (validationContext.ParameterExpressions.Length != 1)
{
throw new ArgumentException("Function '" + validationContext.FunctionName + "' requires 1 parameter");
}
var evaluator = validationContext.ParameterExpressions[0].ExprEvaluator;
return(new SupportAggMFStatePlainScalarFactory(evaluator));
}
if (value == SupportAggMFFunc.ARR_SCALAR || value == SupportAggMFFunc.COLL_SCALAR)
{
if (validationContext.ParameterExpressions.Length != 1)
{
throw new ArgumentException("Function '" + validationContext.FunctionName + "' requires 1 parameter");
}
var evaluator = validationContext.ParameterExpressions[0].ExprEvaluator;
return(new SupportAggMFStateArrayCollScalarFactory(evaluator));
}
if (value == SupportAggMFFunc.ENUM_EVENT)
{
return(new ProxyPlugInAggregationMultiFunctionStateFactory
{
ProcMakeAggregationState = stateContext => new SupportAggMFStateEnumerableEvents()
});
}
throw new ArgumentException("Return type not supported for " + value);
}
public static AggregationAccessor GetAccessor(this SupportAggMFFunc value)
{
switch (value)
{
case SupportAggMFFunc.SINGLE_EVENT_1:
return(null);
case SupportAggMFFunc.SINGLE_EVENT_2:
return(null);
case SupportAggMFFunc.ENUM_EVENT:
return(GetAccessor(typeof(SupportAggMFAccessorEnumerableEvents)));
case SupportAggMFFunc.COLL_SCALAR:
return(GetAccessor(typeof(SupportAggMFAccessorCollScalar)));
case SupportAggMFFunc.ARR_SCALAR:
return(GetAccessor(typeof(SupportAggMFAccessorArrScalar)));
case SupportAggMFFunc.SCALAR:
return(GetAccessor(typeof(SupportAggMFAccessorPlainScalar)));
}
throw new ArgumentException();
}
public static EPType GetReturnType(this SupportAggMFFunc value, EventType eventType, ExprNode[] parameters)
{
if (value == SupportAggMFFunc.SCALAR)
{
return(EPTypeHelper.SingleValue(parameters[0].ExprEvaluator.ReturnType));
}
if (value == SupportAggMFFunc.ENUM_EVENT)
{
return(EPTypeHelper.CollectionOfEvents(eventType));
}
if (value == SupportAggMFFunc.COLL_SCALAR)
{
return(EPTypeHelper.CollectionOfSingleValue(parameters[0].ExprEvaluator.ReturnType));
}
if (value == SupportAggMFFunc.ARR_SCALAR)
{
return(EPTypeHelper.Array(parameters[0].ExprEvaluator.ReturnType));
}
if (value == SupportAggMFFunc.SINGLE_EVENT_1 || value == SupportAggMFFunc.SINGLE_EVENT_2)
{
return(EPTypeHelper.SingleEvent(eventType));
}
throw new ArgumentException("Return type not supported for " + value);
}