public static Exception GetError(XName commandName, CommandResult result, SqlDataReader reader)
{
Exception returnValue = null;
if (result != CommandResult.Success)
{
switch (result)
{
case CommandResult.InstanceAlreadyExists:
returnValue = new InstanceCollisionException(commandName, reader.GetGuid(1));
break;
case CommandResult.InstanceLockNotAcquired:
returnValue = new InstanceLockedException(commandName, reader.GetGuid(1), reader.GetGuid(2), ReadLockOwnerMetadata(reader));
break;
case CommandResult.InstanceNotFound:
returnValue = new InstanceNotReadyException(commandName, reader.GetGuid(1));
break;
case CommandResult.KeyAlreadyExists:
returnValue = new InstanceKeyCollisionException(commandName, Guid.Empty,
new InstanceKey(reader.GetGuid(1)), Guid.Empty);
break;
case CommandResult.KeyNotFound:
returnValue = new InstanceKeyNotReadyException(commandName, new InstanceKey(reader.GetGuid(1)));
break;
case CommandResult.InstanceLockLost:
returnValue = new InstanceLockLostException(commandName, reader.GetGuid(1));
break;
case CommandResult.InstanceCompleted:
returnValue = new InstanceCompleteException(commandName, reader.GetGuid(1));
break;
case CommandResult.KeyDisassociated:
returnValue = new InstanceKeyCompleteException(commandName, new InstanceKey(reader.GetGuid(1)));
break;
case CommandResult.StaleInstanceVersion:
returnValue = new InstanceLockLostException(commandName, reader.GetGuid(1));
break;
case CommandResult.HostLockExpired:
returnValue = new InstancePersistenceException(SR.HostLockExpired);
break;
case CommandResult.HostLockNotFound:
returnValue = new InstancePersistenceException(SR.HostLockNotFound);
break;
case CommandResult.CleanupInProgress:
returnValue = new InstancePersistenceCommandException(SR.CleanupInProgress);
break;
case CommandResult.InstanceAlreadyLockedToOwner:
returnValue = new InstanceAlreadyLockedToOwnerException(commandName, reader.GetGuid(1), reader.GetInt64(2));
break;
default:
returnValue = new InstancePersistenceCommandException(SR.UnknownSprocResult(result));
break;
}
}
return returnValue;
}
bool TryCreateRedirectionException(InstanceLockedException exception, out RedirectionException redirectionException)
{
Uri redirectVia = null;
object redirectViaObject;
string endpointName = this.invoker.endpoint != null ? this.invoker.endpoint.Name : null;
XName endpointXName = endpointName == null ? null : WorkflowServiceNamespace.EndpointsPath.GetName(endpointName);
if (endpointXName != null && exception.SerializableInstanceOwnerMetadata != null &&
exception.SerializableInstanceOwnerMetadata.TryGetValue(endpointXName, out redirectViaObject))
{
redirectVia = redirectViaObject as Uri;
}
if (redirectVia == null)
{
redirectionException = null;
return false;
}
redirectionException = new RedirectionException(RedirectionType.Resource, RedirectionDuration.Permanent,
RedirectionScope.Session, new RedirectionLocation(redirectVia));
return true;
}
private bool TryCreateRedirectionException(InstanceLockedException exception, out RedirectionException redirectionException)
{
Uri address = null;
object obj2;
string localName = (this.invoker.endpoint != null) ? this.invoker.endpoint.Name : null;
XName key = (localName == null) ? null : WorkflowServiceNamespace.EndpointsPath.GetName(localName);
if (((key != null) && (exception.SerializableInstanceOwnerMetadata != null)) && exception.SerializableInstanceOwnerMetadata.TryGetValue(key, out obj2))
{
address = obj2 as Uri;
}
if (address == null)
{
redirectionException = null;
return false;
}
redirectionException = new RedirectionException(RedirectionType.Resource, RedirectionDuration.Permanent, RedirectionScope.Session, new RedirectionLocation[] { new RedirectionLocation(address) });
return true;
}