protected internal virtual T CreateChild <T>(IBpmnModelElementInstance parent, Type typeClass, string identifier) where T : IBaseElement
{
T instance = CreateInstance <T>(typeClass, identifier);
parent.AddChildElement(instance);
return(instance);
}
protected internal virtual T CreateChild <T>(IBpmnModelElementInstance parent, Type typeClass) where T : IBpmnModelElementInstance
{
T instance = CreateInstance <T>(typeClass);
parent.AddChildElement(instance);
return(instance);
}
/// <summary>
/// Add an extension element to the element.
/// </summary>
/// <param name="extensionElement"> the extension element to add </param>
/// <returns> the builder object </returns>
public virtual IBaseElementBuilder <TE> AddExtensionElement(IBpmnModelElementInstance extensionElement)
{
IExtensionElements extensionElements = GetCreateSingleChild <IExtensionElements>(typeof(IExtensionElements));
extensionElements.AddChildElement(extensionElement);
return(this);
}
public virtual TransactionBuilder TransactionDone()
{
IBpmnModelElementInstance lastTransaction = element.Scope;
if (lastTransaction != null && lastTransaction is ITransaction)
{
return(new TransactionBuilder(modelInstance, (ITransaction)lastTransaction));
}
else
{
throw new BpmnModelException("Unable to find a parent transaction.");
}
}
/// <summary>
/// Finishes the building of an embedded sub-process.
/// </summary>
/// <returns> the parent sub-process builder </returns>
/// <exception cref="BpmnModelException"> if no parent sub-process can be found </exception>
public virtual SubProcessBuilder SubProcessDone()
{
IBpmnModelElementInstance lastSubProcess = element.Scope;
if (lastSubProcess != null && lastSubProcess is ISubProcess)
{
return(((ISubProcess)lastSubProcess).Builder());
}
else
{
throw new BpmnModelException("Unable to find a parent subProcess.");
}
}
protected internal virtual T GetCreateSingleChild <T>(IBpmnModelElementInstance parent, Type typeClass) where T : IBpmnModelElementInstance
{
ICollection <T> childrenOfType = (ICollection <T>)parent.GetChildElementsByType(typeClass);
if (childrenOfType.Count == 0)
{
return(CreateChild <T>(parent, typeClass));
}
else
{
if (childrenOfType.Count > 1)
{
throw new BpmnModelException("XmlElement " + parent + " of type " + parent.ElementType.TypeName + " has more than one child element of type " + typeClass.FullName);
}
else
{
return(childrenOfType.GetEnumerator().Current);
}
}
}
