// Guid dlID
/// <summary>
/// Executes the decision stack.
/// </summary>
/// <param name="decisionDataPayload">The decision data payload.</param>
/// <param name="oldAmbientData">The old ambient data.</param>
/// <returns></returns>
/// <exception cref="System.Data.InvalidExpressionException">Could not evaluate decision data - No decision function found for [ + typeOf + ]</exception>
public bool ExecuteDecisionStack(string decisionDataPayload, IList <string> oldAmbientData)
{
Guid dlId = FetchDataListID(oldAmbientData);
// if(dlId == GlobalConstants.NullDataListID) throw new InvalidExpressionException("Could not evaluate decision data - no DataList ID sent!");
string newDecisionData = Dev2DecisionStack.FromVBPersitableModelToJSON(decisionDataPayload);
var dds = EvaluateRegion(newDecisionData, dlId);
var env = _environments[dlId];
if (dds != null)
{
if (dlId != GlobalConstants.NullDataListID)
{
try
{
if (dds.TheStack != null)
{
for (int i = 0; i < dds.TotalDecisions; i++)
{
Dev2Decision dd = dds.GetModelItem(i);
enDecisionType typeOf = dd.EvaluationFn;
// Treat Errors special
if (typeOf == enDecisionType.IsError || typeOf == enDecisionType.IsNotError)
{
dd.Col1 = String.Join("", env.Errors);
}
IDecisionOperation op = Dev2DecisionFactory.Instance().FetchDecisionFunction(typeOf);
if (op != null)
{
try
{
bool result = op.Invoke(dds.GetModelItem(i).FetchColsAsArray());
if (!result && dds.Mode == Dev2DecisionMode.AND)
{
// Naughty stuff, we have a false in AND mode... break
return(false);
}
if (result && dds.Mode == Dev2DecisionMode.OR)
{
return(true);
}
}
catch (Exception e)
{
// An error, push into the DL
env.AddError(e.Message);
return(false);
}
}
else
{
throw new InvalidExpressionException("Could not evaluate decision data - No decision function found for [ " + typeOf + " ]");
}
}
// else we are in AND mode and all have passed ;)
if (dds.Mode == Dev2DecisionMode.AND)
{
return(true);
}
//finally, it must be OR mode with no matches ;(
return(false);
}
throw new InvalidExpressionException("Could not evaluate decision data - Invalid model data sent!");
}
catch
{
// all hell has broken loose... ;)
throw new InvalidExpressionException("Could not evaluate decision data - No model data sent!");
}
}
throw new InvalidExpressionException("Could not evaluate decision data - no DataList ID sent!");
}
throw new InvalidExpressionException("Could not populate decision model - DataList Errors!");
}
// Guid dlID
/// <summary>
/// Executes the decision stack.
/// </summary>
/// <param name="decisionDataPayload">The decision data payload.</param>
/// <param name="oldAmbientData">The old ambient data.</param>
/// <returns></returns>
/// <exception cref="System.Data.InvalidExpressionException">Could not evaluate decision data - No decision function found for [ + typeOf + ]</exception>
public bool ExecuteDecisionStack(string decisionDataPayload, IList <string> oldAmbientData)
{
// Evaluate decisionDataPayload through the EvaluateFunction ;)
Guid dlId = FetchDataListID(oldAmbientData);
if (dlId == GlobalConstants.NullDataListID)
{
throw new InvalidExpressionException("Could not evaluate decision data - no DataList ID sent!");
}
// Swap out ! with a new internal token to avoid nasty issues with
string newDecisionData = Dev2DecisionStack.FromVBPersitableModelToJSON(decisionDataPayload);
var dds = EvaluateRegion(newDecisionData, dlId);
ErrorResultTO errors = new ErrorResultTO();
if (dds != null)
{
if (dlId != GlobalConstants.NullDataListID)
{
try
{
if (dds.TheStack != null)
{
for (int i = 0; i < dds.TotalDecisions; i++)
{
Dev2Decision dd = dds.GetModelItem(i);
enDecisionType typeOf = dd.EvaluationFn;
// Treat Errors special
if (typeOf == enDecisionType.IsError || typeOf == enDecisionType.IsNotError)
{
dd.Col1 = Compiler.EvaluateSystemEntry(dlId, enSystemTag.Dev2Error, out errors);
}
IDecisionOperation op = Dev2DecisionFactory.Instance().FetchDecisionFunction(typeOf);
if (op != null)
{
try
{
bool result = op.Invoke(dds.GetModelItem(i).FetchColsAsArray());
if (!result && dds.Mode == Dev2DecisionMode.AND)
{
// Naughty stuff, we have a false in AND mode... break
return(false);
}
if (result && dds.Mode == Dev2DecisionMode.OR)
{
return(true);
}
}
catch (Exception e)
{
// An error, push into the DL
ErrorResultTO errorErrors;
errors.AddError(e.Message);
Compiler.UpsertSystemTag(dlId, enSystemTag.Dev2Error, errors.MakeDataListReady(), out errorErrors);
return(false);
}
}
else
{
throw new InvalidExpressionException("Could not evaluate decision data - No decision function found for [ " + typeOf + " ]");
}
}
// else we are in AND mode and all have passed ;)
if (dds.Mode == Dev2DecisionMode.AND)
{
return(true);
}
//finally, it must be OR mode with no matches ;(
return(false);
}
throw new InvalidExpressionException("Could not evaluate decision data - Invalid model data sent!");
}
catch
{
// all hell has broken loose... ;)
throw new InvalidExpressionException("Could not evaluate decision data - No model data sent!");
}
}
throw new InvalidExpressionException("Could not evaluate decision data - no DataList ID sent!");
}
throw new InvalidExpressionException("Could not populate decision model - DataList Errors!");
}