public void Execute(IActivityExecution execution)
{
var more = execution.Activity.FindOutgoingTransition("more");
var done = execution.Activity.FindOutgoingTransition("done");
var value = (int?)execution.GetVariable(_variableName);
if (value == null)
{
execution.SetVariable(_variableName, _from);
execution.LeaveActivityViaTransition(more);
}
else
{
value = value + 1;
if (value < _to)
{
execution.SetVariable(_variableName, value);
execution.LeaveActivityViaTransition(more);
}
else
{
execution.LeaveActivityViaTransition(done);
}
}
}
// Helpers //////////////////////////////////////////////////////////////////////
protected internal virtual int ResolveNrOfInstances(IActivityExecution execution)
{
var nrOfInstances = -1;
if (loopCardinalityExpression != null)
{
nrOfInstances = ResolveLoopCardinality(execution);
}
else if (collectionExpression != null)
{
var obj = collectionExpression.GetValue(execution);
if (!(obj.GetType().IsAssignableFrom(typeof(ICollection))))
{
throw Log.UnresolvableExpressionException(collectionExpression.ExpressionText, "Collection");
}
nrOfInstances = ((IList)obj)?.Count ?? 0;
}
else if (!ReferenceEquals(collectionVariable, null))
{
var obj = execution.GetVariable(collectionVariable);
if (!(obj.GetType().IsAssignableFrom(typeof(ICollection))))
{
throw Log.InvalidVariableTypeException(collectionVariable, "Collection");
}
nrOfInstances = ((IList)obj)?.Count ?? 0;
}
else
{
throw Log.ResolveCollectionExpressionOrVariableReferenceException();
}
return(nrOfInstances);
}
public override void Execute(IActivityExecution execution)
{
Log.LogDebug("WaitStateUndoService执行Execute：", $"execution：{execution.GetType().Name} _counterName is null?:{(_counterName == null).ToString()}");
string variableName = (string)_counterName.GetValue(execution);
object variable = execution.GetVariable(variableName);
if (variable == null)
{
execution.SetVariable(variableName, (int?)1);
}
else
{
execution.SetVariable(variableName, ((int?)variable) + 1);
}
Log.LogDebug("WaitStateUndoService执行Execute完毕：", $"variable is null?：{(variable==null).ToString()}");
}
public void Execute(IActivityExecution execution)
{
string @var = (string)execution.GetVariable("var");
IPvmTransition transition = null;
try
{
ExecuteLogic(@var);
transition = execution.Activity.FindOutgoingTransition("no-exception");
}
catch (System.Exception)
{
transition = execution.Activity.FindOutgoingTransition("exception");
}
execution.LeaveActivityViaTransition(transition);
}
protected internal virtual void EvaluateCollectionVariable(IActivityExecution execution, int loopCounter)
{
if (UsesCollection() && !ReferenceEquals(collectionElementVariable, null))
{
IList collection = null;
if (collectionExpression != null)
{
collection = (IList)collectionExpression.GetValue(execution);
}
else if (!ReferenceEquals(collectionVariable, null))
{
collection = (IList)execution.GetVariable(collectionVariable);
}
var value = GetElementAtIndex(loopCounter, collection);
SetLoopVariable(execution, collectionElementVariable, value);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: protected void handle(org.Camunda.bpm.engine.impl.pvm.delegate.ActivityExecution execution, String action) throws Exception
protected internal virtual void handle(IActivityExecution execution, string action)
{
execution.SetVariable(action, true);
string type = (string)execution.GetVariable("type");
if ("error".Equals(type, StringComparison.CurrentCultureIgnoreCase))
{
throw new BpmnError("MyError");
}
else if ("exception".Equals(type, StringComparison.CurrentCultureIgnoreCase))
{
throw new MyBusinessException("MyException");
}
else if ("leave".Equals(type, StringComparison.CurrentCultureIgnoreCase))
{
execution.SetVariable("type", null);
Leave(execution);
}
}
public void Execute(IActivityExecution execution)
{
IPvmTransition transition = null;
var creditRating = (string)execution.GetVariable("creditRating");
if (creditRating.Equals("AAA+"))
{
transition = execution.Activity.FindOutgoingTransition("wow");
}
else if (creditRating.Equals("Aaa-"))
{
transition = execution.Activity.FindOutgoingTransition("nice");
}
else
{
transition = execution.Activity.FindOutgoingTransition("default");
}
execution.LeaveActivityViaTransition(transition);
}