public virtual void addListenerToElement(CmmnModelInstance modelInstance, CmmnModelElementInstance modelElement)
{
ExtensionElements extensionElements = SpecUtil.createElement(modelInstance, modelElement, null, typeof(ExtensionElements));
CamundaCaseExecutionListener caseExecutionListener = SpecUtil.createElement(modelInstance, extensionElements, null, typeof(CamundaCaseExecutionListener));
if (!ANY_EVENT.Equals(eventNameToRegisterOn))
{
caseExecutionListener.CamundaEvent = eventNameToRegisterOn;
}
configureCaseExecutionListener(modelInstance, caseExecutionListener);
foreach (FieldSpec fieldSpec in fieldSpecs)
{
fieldSpec.addFieldToListenerElement(modelInstance, caseExecutionListener);
}
}
protected internal override void configureCaseExecutionListener(CmmnModelInstance modelInstance, CamundaCaseExecutionListener listener)
{
listener.CamundaDelegateExpression = DELEGATE_EXPRESSION;
}
protected internal abstract void configureCaseExecutionListener(CmmnModelInstance modelInstance, CamundaCaseExecutionListener listener);
protected internal override void configureCaseExecutionListener(CmmnModelInstance modelInstance, CamundaCaseExecutionListener listener)
{
listener.CamundaClass = CLASS_NAME;
}
protected internal virtual CaseExecutionListener initializeCaseExecutionListener(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, CamundaCaseExecutionListener listener)
{
ICollection <CamundaField> fields = listener.CamundaFields;
IList <FieldDeclaration> fieldDeclarations = initializeFieldDeclarations(element, activity, context, fields);
ExpressionManager expressionManager = context.ExpressionManager;
CaseExecutionListener caseExecutionListener = null;
string className = listener.CamundaClass;
string expression = listener.CamundaExpression;
string delegateExpression = listener.CamundaDelegateExpression;
CamundaScript scriptElement = listener.CamundaScript;
if (!string.ReferenceEquals(className, null))
{
caseExecutionListener = new ClassDelegateCaseExecutionListener(className, fieldDeclarations);
}
else if (!string.ReferenceEquals(expression, null))
{
Expression expressionExp = expressionManager.createExpression(expression);
caseExecutionListener = new ExpressionCaseExecutionListener(expressionExp);
}
else if (!string.ReferenceEquals(delegateExpression, null))
{
Expression delegateExp = expressionManager.createExpression(delegateExpression);
caseExecutionListener = new DelegateExpressionCaseExecutionListener(delegateExp, fieldDeclarations);
}
else if (scriptElement != null)
{
ExecutableScript executableScript = initializeScript(element, activity, context, scriptElement);
if (executableScript != null)
{
caseExecutionListener = new ScriptCaseExecutionListener(executableScript);
}
}
return(caseExecutionListener);
}