Queue <ExpressionBuilder> DoAdd(WorkflowRuntimeException value)
{
var key = value.InnerException;
if (key != null)
{
var nestedKey = key as WorkflowRuntimeException;
if (nestedKey != null)
{
var callStack = DoAdd(nestedKey);
if (callStack != null)
{
callStack.Enqueue(value.Builder);
return(callStack);
}
}
else
{
var weakKey = new WeakKey <Exception>(key);
if (exceptions.ContainsKey(weakKey))
{
return(null);
}
CollectUnusedExceptions();
var callStack = new Queue <ExpressionBuilder>();
callStack.Enqueue(value.Builder);
exceptions.Add(weakKey, callStack);
return(callStack);
}
}
return(null);
}
public bool TryAdd(WorkflowRuntimeException value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
return(DoAdd(value) != null);
}
public bool TryGetValue(Exception key, out WorkflowException value)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
value = null;
var weakKey = new WeakKey <Exception>(key);
var result = exceptions.TryGetValue(weakKey, out Queue <ExpressionBuilder> callStack);
if (result)
{
while (callStack.Count > 0)
{
var builder = callStack.Dequeue();
value = new WorkflowRuntimeException(key.Message, builder, value ?? key);
}
}
return(result);
}
