[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
This was my mistake I used this attributes in not in .
At the end I found solution for my problem:
mapping fragment:
|
|
|
|
|
|
|
|
|
|
|
Listing avaliable actions for user:
Map> instancesGrouped = new
HashMap>();
| for(TaskInstance task : tasks)
| {
| ProcessInstance process = task.getToken().getProcessInstance();
| List instances = instancesGrouped.get(process);
| if(instances == null)
| {
| instances = new ArrayList();
| instancesGrouped.put(process,instances);
| }
| instances.add(task);
| }
|
After task performing:
| JbpmContext ctx = workflowConfig.createJbpmContext();
| TaskInstance task = ctx.loadTaskInstance(taskId);
| Token token = task.getToken();
| task.end();
| token.signal(task.getName());
| ctx.save(token);
| ctx.close();
|
This solution is generic, modyfing process doesn't force any changes in the
client code, whats more adding new tasks requires only adding code for handling
this tasks. Of course i need some mapping between task names and Java code
(displaying some special UI forms) but this is obvious (for me).
I'm gratefull for any comments.
Regards
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[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
Open tasks are cancelled, if you use that bit of code for the task-node. The GPD doesn't really support it, you can only do that by editing the XML. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959119#3959119 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959119 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
"cpob" wrote : "kukeltje" wrote : and add an action that cancels all other parallel tasks if one is acted upon | | I don't think that's needed... The task node can be configured as signal=first end-tasks=true, right? | | | | That will let the first task signal to the next node and cancel all open tasks, at least from my understanding. Any idea why open tasks aren't cancelled ? Does Eclipse designer support end-tasks attribute and signal ? I'm using jBPM 3.1.1 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959114#3959114 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959114 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
Ok so I accept 'transformation' as one step of the design process. So how to transform such situation: 1)shop creates order - order is in state 'created' 2)supplier can create or reject order. When accepts order go's to 'accepted' state, but have to provide some additional data. When rejects order go's to 'rejected' state. And there is one more requirement, all tasks that have to be performed by end users should be displayed in one generic way, this mean that if i add new action to 'created' state and deploy new process definition UI should display one button more. But end users have different permissions, some can only reject some can do both. One thing that is not generic is set of action which are implemented in Java. At first glance i wanted to do this with task nodes but this causes some problems which i can't solve. Now i want to do this with wait states. Where 'created', 'accepted', 'rejected' are wait states and 'accept', 'reject' are transition between them. But this aproach have few disadventages: 1)I can't use swimlanes. If in the future order after supplier acceptance should be accepted also by shop user WHO CREATED ORDER how to achive this ? 2)Actions now represents user tasks which should be represented by tasks. 3)Can i have one general action ex. 'modify order' and use it in different places in process and configure it to let users modify only quantities and somewere else let user modify only prices ? Or i have to do two distinct actions ? Do u see any more ? If u have any idea please help. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959089#3959089 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959089 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
anonymous wrote : solve it with other process constructs maybe i have short imagination, but i dont have more ideas ;) anonymous wrote : We never have and never will focus on an engine/language that can be fully used by an enduser So i've misanderstand the general idea. Once again thanks for your help and patince ;) Regards View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959071#3959071 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959071 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
It is not as common as you think, at least not the way you try to solve it. We've never had this question before from someone who was was not able to (simply) solve it with other process constructs. IMO it is not a complex solution using parallel task, but if you want the end user to do it, maybe it is. We never have and never will focus on an engine/language that can be fully used by an enduser (read all Toms Blogs http://jboss.org/jbossBlog/blog/tbaeyens/) The 'transformation' is also addressed in these blogs (The IDS-Sheers ARIS / SAP thing) All this will not mean more 'complex' nodes will never be introduced but not on the short term View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959070#3959070 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959070 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
anonymous wrote : would cost me (personally) to much free time In my opinion it does mean that existing possibilities are not sufficient, because it is common and simple situation so it should be easy to model it. anonymous wrote : Some suggestions are made above If you are talking about this one with parallel tasks i think it's too complicated for such simple case. anonymous wrote : It is the combination of how *you* want to draw/design the process I want to design it as simple as it is possible, because in the future it will not be changed by system architect/programmer but by system user. Maybe i made same wrong assumption here.(but why not ?) As i said at the biginning I'm using jBPM for few days and never used any other workflow system. So maybe problem lies in the way i want to change processes in the future. I thought that this shuld be made by customer, not system programmers/designers etc. Thats why i want to model easy cases easly. Maybe i don't understand the process of designing, deploying processes. I imagine that process is designed by customer and after that it is deployed by system developers. Of course developers can add something to process (only actions?) but this should be invisible for process designers. I think that process deployers shouldn't transform process design to some different form which fulfil technical requirements. Yours suggestions may work but they are to complicated, this problem can be solved much simplier: adding possibility to link tasks with transitions. But this is only newbie suggestion. anonymous wrote : | If you still want to draw it like you do now, maybe jBPM is not the best engine for your needs. I want to draw it easly, and im looking for easy solution (parallel in generaly isn't easy). Maybe it isn't the best solution, but don't understand me wrong, i respect your work, i see a lot of good solutions here but it's hard to imagine for me that such simple case must be designed in some strange way. Thanks for your support View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959058#3959058 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959058 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
A complete example would cost me (personally) to much free time. Some suggestions are made above. Besides that, technical issues are imho not the limitation here. It is the combination of how *you* want to draw/design the process on a low level in combination with the existing functionality of an engine. The latter is not changed easy (for complete free flexibility develop it in java/c#/...), nor does it need to be changed (imo) since taking another view on the process (on the more functional level) it can be designed differently. If you still want to draw it like you do now, maybe jBPM is not the best engine for your needs. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959030#3959030 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959030 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
anonymous wrote : This functionality can be achieved in other ways. Give me at least one complete example. I'm wondering how you wan't to achive this, because in my opinion technical reasons shouldn't have influance on process design. Regards View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959025#3959025 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959025 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
2 Regarding the question on adding it. I do not think it will be. This functionality can be achieved in other ways. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958913#3958913 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958913 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
If connecting task with transition is such big problem maybe add such feature to future version ? How about that ? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958866#3958866 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958866 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
"kukeltje" wrote : it cancels ALL open tasks indeed Which tasks will be canceled ? 1)User tasks 2)Process instance tasks 3)Process definition tasks 4)All tasks 5)... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958865#3958865 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958865 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
There is a jira issue for this with a fix. Patch jbpm yourself if you want it fiexed now, or wait for the (yet unscheduled) next minor release View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958863#3958863 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958863 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
So what is the solution ? For now i name tasks and transitions in some convention and these way i connect them. But these have some influence on process designers which I want to minimalize. Nevertheless i will lokk for some better solution, and i hope we find something. Good luck ;) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958861#3958861 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958861 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
Oh wow, ouch. Yeah, I assumed it maintained the relationship to the current task-node. :) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958849#3958849 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958849 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
"kukeltje" wrote : and add an action that cancels all other parallel tasks if one is acted upon I don't think that's needed... The task node can be configured as signal=first end-tasks=true, right? That will let the first task signal to the next node and cancel all open tasks, at least from my understanding. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958841#3958841 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958841 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
it cancels ALL open tasks indeed, FOR NOW ;-) cause that is a bug. It should only cancel tasks in the same task-node View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958843#3958843 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958843 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
anonymous wrote : If you have a single task node with three tasks, and you want to leave the node after ONE task is complete? Yes anonymous wrote : Why not just have 3 separate task nodes with one task a piece? Tasks instances are created when token comes to task node, so when i'm one step before (as u said in node with 3 transitions) i don't know witch transitions user can take (permissions rules). View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958814#3958814 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958814 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
and add an action that cancels all other parallel tasks if one is acted upon View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958797#3958797 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958797 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
If you have a single task node with three tasks, and you want to leave the node after ONE task is complete? Why not just have 3 separate task nodes with one task a piece? The 'task selection' would be the page before hand, which would select which transition to go to (which would decide which task node to go to) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958777#3958777 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958777 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
We had to missanderstand. I know that there is few solutions for this problem, but what i'm trying to say is none of them take adventage of provided with jBPM task nodes and very easy to use API for retriving task assigned for actor (pooled or performed). In addition none of these patterns considers user permissions whitch in jBMP can be assgined only to tasks. So i couldnt just create node with few transitions with different conditions(as in Exclusive Choice patter) because i dont't know how to assign permissions to these transitions. Whats more i don't know how to query (via provided API) workflow engine for actions avaliable for user (such as getTaskMgmtSession().findTaskInstances(actorId)). Imagine that I have very simple UI: one page for every process instance. In this page i have table where number of rows = number of process instances. In the columns i have buttons each for task that user can perform. So if task instance t1 is in task node with 3 tasks there will be 3 buttons in these row. When user click button i know witch task he want to perform, after completing task i want to read FROM PROCESS DESIGN whitch transition i should take and afther that the user will return to the same form. But there will be diffrent buttons in row coresponding to these porcess instance because token is in different task node. Offcorse i can use some namimg convention for task and transitions ex. task1 and after_task1 but in m opinion it is not good idea. So i have to immortal questions: 1)how to map such situation 2)how to query for task for user grouped by task node (or process instance) anonymous wrote : As Ronald said, think out of the box... What do u exactly mean... ? Thanks for your help View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958757#3958757 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958757 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
The problem *is* simple, as is the solution. As Ronald said, think out of the box... Task nodes are nothing else than special states... The patterns on the workflowpatterns site all use states with transitions, so the mapping should be fairly easy... Regards, Koen View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958735#3958735 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958735 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
[Continuation] Your solution: anonymous wrote : - set a variable in each task, have just one transition | - use a decision to direct the process Have few disadventages: -adding any tasks invloves modifiaction of decision -technicals details have influence on process design, so it is not understandable for process designers. Once again why thre isnt simple way to connect task with trasition ? And once again how to get nodes where are some tasks witch user should perform ? Sory for my inquisitiveness but i cant imagine that such simple cases causes such problems. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958723#3958723 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958723 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
anonymous wrote : The situation is not uncommon, the way you model it is So what is a common way ? But dont reference me to workflow patterns because they dont use task nodes, task instances, and other jBPM specifics so in this situtaion are useless. I have to use tasks beacouse it is only way(only in iBPM ?) i can apply permissions. anonymous wrote : model it differently I try to model it differently but i don't know how (look at subject of my first post) anonymous wrote : create custom pages What are pages ? pages == nodes ? I didn't remember these term from documentation. anonymous wrote : BPM currently does not do evertything automagically Do u see any magic here ? where ? ;) Connecting tasks with transitions is magic ? In my opinion not. Your solution: anonymous wrote : - set a variable in each task, have just one transition | - use a decision to direct the process View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958722#3958722 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958722 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
The situation is not uncommon, the way you model it is. Look at the workflow patterns site to see what comes close, look at the jbpm testcases for these patterns and think out of the box, model it differently. Or create custom pages with just one transition in it. jBPM currently does not do evertything automagically, nor will it ever fully do. Things to consider: - set a variable in each task, have just one transition - use a decision to direct the process Again, dare thinking out of the box. If it does not seem to work in the way you did it, maybe you should do it differently View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958620#3958620 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958620 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
Maybe some one knows sites where i can found same example processes ? It's hard to imagine that there isn't simple solution for such (in my opinion) common situation. Nevertheless i have second question: How i can get list o tasks for user grouped by task node ? Or better how to get task nodes where user have some tasks to perform, and then get only these tasks. (considering task assignments) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958476#3958476 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958476 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
Thanks for your help, but swomlines aren't solution to my problem. I have problem with assigning transition to task. For example, I have task node with 2 tasks t1 i t2 and have two transitions from this node: tt1 and tt2. Now, when user u1 performs t1 i want to move token through tt1 and when user performs task t2 I want to take tt2. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958403#3958403 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958403 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss jBPM] - Re: Modeling simple process(tasks)
hello, If I understand well you want to create a task for few poeple who have some different roles. In order to do this you can use in your process model the "swimlane" which permit you to define a specific role to a task and put some poeple who can execute this task. I'm putting the link in order to see you what is it specialy. http://docs.jboss.com/jbpm/v3/userguide/taskmanagement.html#swimlanes I hope I help you antitrust1982 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958384#3958384 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958384 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
