public void ConvertContract()
{
//Convert data model logic
DataModelConverter.ConvertLogic();
//Add enum and struct definitions to the main contract
mainSolidityContract.AddComponents(DataModelConverter.GetMainContractComponents());
//Convert all processes and add their logic to the main contract
foreach (var processConverter in processConverters.Values)
{
processConverter.ConvertProcess();
mainSolidityContract.AddComponents(processConverter.GetGeneratedSolidityComponents());
}
}
/// <summary>
/// Iterates through the process model and creates the parsed solidity structure
/// BFS algorithm is used to go through the model.
/// !!! This approach is not very efficient and may create further issues if expanded upon.
/// I have chosen it for simplicity, better solution would probably be recreating the given process model
/// into a graph with references as links between each element. That would allow more flexibility for the converter
/// objects, which is quite limited in the current implementation.
/// </summary>
/// <param name="process">The BPMN process model</param>
void IterateProcess()
{
var flagged = new HashSet <string>();
var toVisit = new Queue <ProcessElement>();
//Find the startEvent
var startEvent = FindStartEvent();
toVisit.Enqueue(startEvent);
flagged.Add(startEvent.Id);
//BFS - go through every element
while (toVisit.Count > 0)
{
var current = toVisit.Dequeue();
var nextElements = new List <ElementConverter>();
//Iterate through all outgoing sequence flow ids of this element
foreach (var outSequenceFlowId in current.Outgoing)
{
//Convert the sequence flow id to its target element
var nextElement = GetSequenceFlowTarget(outSequenceFlowId);
nextElements.Add(ConverterFactory.CreateConverter(nextElement));
//Add to queue if not visited yet and flag it
if (!flagged.Contains(nextElement.Id))
{
toVisit.Enqueue(nextElement);
flagged.Add(nextElement.Id);
}
}
//Create converter for the current element and use it to generate code elements
var elementConverter = ConverterFactory.CreateConverter(current);
var elementCode = elementConverter.GetElementCode(nextElements, SeqFlowIdToObject(current.Outgoing), dataModel);
solidityContract.AddComponents(elementCode);
}
}