/// <summary>
/// Preprocess end activity
/// </summary>
/// <param name="workflowLog">Workflow log</param>
private static void PreprocessEndActivity(WorkflowLog workflowLog)
{
var endActivities = new HashSet <string>();
foreach (var trace in workflowLog.WorkflowTraces)
{
endActivities.Add(trace.Activities[^ 1]);
/// <summary>
/// Is used to create a full relation matrix based on WorkflowLog.
/// </summary>
/// <param name="log">A workflow log made from loaded data.</param>
public RelationMatrix(WorkflowLog log) : base(log)
{
Footprint = new Relation[Activities.Count, Activities.Count];
FindSuccession(log.WorkflowTraces);
UpdateRelations();
}
public MatrixBase(WorkflowLog log)
{
StartActivities = new HashSet <string>();
EndActivities = new HashSet <string>();
Activities = new List <string>();
ActivityIndices = new Dictionary <string, int>();
FillActivities(log.WorkflowTraces);
}
/// <summary>
/// Is used to create a full DirectlyFollowsMatrix matrix based on WorkflowLog.
/// </summary>
/// <param name="log">A workflow log made from loaded data.</param>
public SuccessorMatrix(WorkflowLog log) : base(log)
{
DirectMatrix = new int[Activities.Count, Activities.Count];
L2LMatrix = new int[Activities.Count, Activities.Count];
LongDistanceMatrix = new int[Activities.Count, Activities.Count];
ActivityOccurrences = new int[Activities.Count];
ComputeDirectLongMatrix(log.WorkflowTraces);
ComputeL2L(log.WorkflowTraces);
}
/// <summary>
/// Preprocess start activity
/// </summary>
/// <param name="workflowLog">Workflow log</param>
private static void PreprocessStartActivity(WorkflowLog workflowLog)
{
var startActivities = new HashSet <string>();
foreach (var trace in workflowLog.WorkflowTraces)
{
startActivities.Add(trace.Activities[0]);
}
if (startActivities.Count == 1)
{
return;
}
{
foreach (var trace in workflowLog.WorkflowTraces)
{
trace.Activities.Insert(0, "a_i");
}
}
}
/// <summary>
/// Creates same start activity and end activity for each trace in the Workflow log
/// </summary>
/// <param name="workflowLog">Workflow log</param>
public static void WorkflowLogPreprocessor(WorkflowLog workflowLog)
{
PreprocessStartActivity(workflowLog);
PreprocessEndActivity(workflowLog);
}
