public HashSet <BpmnObject> RequiredInputObjects(BpmnActivity activity)
{
// select all input object names for activity
var y = Models.Where(x => x.activityName.Equals(activity.Name))
.Select(x => x.objectName)
.ToList();
// lookup all BpmnObjects
return(new HashSet <BpmnObject>(ObjectHelper.Instance()
.GetAllObjects()
.Where(x => y.Contains(x.Name))
.ToList()));
}
/// <summary>
/// Parses a *valid* process into a tree representation
/// </summary>
/// <param name="s">process string</param>
/// <returns>genome</returns>
public static BpmGenome ParseBpmGenome(this string s)
{
if (string.IsNullOrEmpty(s))
{
return(null);
}
Debug.WriteLine("Parsing now the following string: " + s);
var genome = new BpmGenome();
BpmGene parent = null;
s = s.Replace(" ", "");
var index = 0;
while (s.Length > 0)
{
if (s.StartsWith("<PI;"))
{
s = s.Substring(4);
}
else if (s.StartsWith(";PO>"))
{
s = s.Substring(4);
}
else if (s.StartsWith("AND("))
{
s = s.Substring(4);
var and = new BpmnAnd(index, parent);
parent?.Children.Add(and);
if (genome.RootGene == null)
{
genome.RootGene = and;
}
parent = and;
index++;
}
else if (s.StartsWith("SEQ("))
{
s = s.Substring(4);
var seq = new BpmnSeq(index, parent);
// Only necessary if genome is one seq
if (parent == null)
{
genome.RootGene = seq;
}
else
{
parent.Children.Add(seq);
}
parent = seq;
index++;
}
else if (s.StartsWith("XOR("))
{
s = s.Substring(4);
var decision = s.Substring(0, s.IndexOf(";"));
s = s.Substring(decision.Length);
decision = decision.Substring(2);
decision = decision.Substring(0, decision.Length - 1);
var decisionId = decision.Split(',')[0];
var decisionValue = decision.Split(',')[1];
var probability = DataHelper.ActivityAttributeHelper.Instance()
.GetDecisionProbability(decisionId,
decisionValue);
var xor = new BpmnXor(index, parent, decisionId, decisionValue, probability);
// Only necessary if genome is one xor
if (parent == null)
{
genome.RootGene = xor;
}
else
{
parent.Children.Add(xor);
}
parent = xor;
index++;
}
else if (s.StartsWith(";"))
{
s = s.Substring(1);
}
else if (s.StartsWith(")"))
{
parent = parent.Parent;
s = s.Substring(1);
}
else
{
char[] seperators = { ';', ')' };
var name = s.Substring(0, s.IndexOfAny(seperators));
s = s.Substring(s.IndexOfAny(seperators));
var activity = new BpmnActivity(index, parent, name);
// Only necessary if genome is one activity
if (parent == null)
{
genome.RootGene = activity;
}
else
{
parent.Children.Add(activity);
}
index++;
}
}
if (parent != null)
{
throw new Exception("Illegal input string");
}
return(genome);
}
