//private const String queryFindAttributeInstanceByName = "select ai " +
// "from ai in class NetBpm.Workflow.Execution.Impl.AttributeInstanceImpl, " +
// " f in class NetBpm.Workflow.Execution.Impl.FlowImpl " +
// "where ai.Scope = f.id " + " and ai.Attribute.Name = ? " +
// " and f.id = ? ";
private AttributeInstanceImpl FindAttributeInstanceInScope(String attributeName)
{
AttributeInstanceImpl attributeInstance = null;
FlowImpl scope = this._flow;
while (attributeInstance == null)
{
IList attributes = attributeRepository.FindAttributeInstanceByName(attributeName, scope.Id, _dbSession);
IEnumerator iter = attributes.GetEnumerator();
if (iter.MoveNext())
{
attributeInstance = (AttributeInstanceImpl)iter.Current;
if (iter.MoveNext())
{
throw new NetBpm.Util.DB.DbException("duplicate value");
}
}
else
{
if (!scope.IsRootFlow())
{
scope = (FlowImpl)scope.Parent;
}
else
{
//throw new RuntimeException( "couldn't find attribute-instance '" + attributeName + "' in scope of flow '" + this.flow + "'" );
// log a warning message (indicate that attribute supplied is not defined in attribute-instance in db)
log.Warn("couldn't find attribute-instance '" + attributeName + "' in scope of flow '" + this._flow + "'");
break;
}
}
}
return(attributeInstance);
}
public void CancelFlow(String authenticatedActorId, Int64 flowId, DbSession dbSession, IOrganisationService organisationComponent)
{
// first check if the actor is allowed to cancel this flow
authorizationHelper.CheckCancelFlow(authenticatedActorId, flowId, dbSession);
FlowImpl flow = (FlowImpl)dbSession.Load(typeof(FlowImpl), flowId);
log.Info("actor '" + authenticatedActorId + "' cancels flow '" + flowId + "'...");
// only perform the cancel if this flow is not finished yet
if (!flow.EndHasValue)
{
ExecutionContextImpl executionContext = new ExecutionContextImpl(authenticatedActorId, flow, dbSession, organisationComponent);
executionContext.CreateLog(authenticatedActorId, EventType.FLOW_CANCEL);
if (flow.IsRootFlow())
{
// set the flow in the end-state
log.Debug("setting root flow to the end state...");
EndStateImpl endState = (EndStateImpl)flow.ProcessInstance.ProcessDefinition.EndState;
engine.ProcessEndState(endState, executionContext, dbSession);
}
else
{
// set the flow in the join
ConcurrentBlockImpl concurrentBlock = (ConcurrentBlockImpl)flow.Node.ProcessBlock;
JoinImpl join = (JoinImpl)concurrentBlock.Join;
log.Debug("setting concurrent flow to join '" + join + "'");
engine.ProcessJoin(join, executionContext, dbSession);
}
// flush the updates to the db
dbSession.Update(flow);
dbSession.Flush();
}
}
public AttributeInstanceImpl FindAttributeInstanceInScope(String attributeName, FlowImpl scope,DbSession dbSession)
{
AttributeInstanceImpl attributeInstance = null;
while (attributeInstance == null)
{
IList attributes = this.FindAttributeInstanceByName(attributeName, scope.Id, dbSession);
IEnumerator iter = attributes.GetEnumerator();
if (iter.MoveNext())
{
attributeInstance = (AttributeInstanceImpl)iter.Current;
if (iter.MoveNext())
{
throw new NetBpm.Util.DB.DbException("duplicate value");
}
}
else
{
if (!scope.IsRootFlow())
{
scope = (FlowImpl)scope.Parent;
}
else
{
log.Warn("couldn't find attribute-instance '" + attributeName + "' in scope of flow '" + scope + "'");
break;
}
}
}
return attributeInstance;
}