June 2010 - jboss-user - Jboss List Archives

[jBPM] - Form Edit Process Modeling help

by Richard Gu

Richard Gu [http://community.jboss.org/people/gujade] created the discussion "Form Edit Process Modeling help" To view the discussion, visit: http://community.jboss.org/message/547937#547937 -------------------------------------------------------------- We are using JBPM4 as the workflow engine to handle our process applications. There is one use case we are not sure how to model using jbpm. The use case is of the following: User A: <start> --> <initial form> --> <assign to B> | V <notification> | V User B: <acknowledge form> --> ... --> <end> However, we need to model the process such that after filing out <initial form> User A can edit the form at any time, and the notification must be sent again and User B must acknowledge again. It would not be a problem if that is the only "editable" form. It will be come very complex if there are more than 2 roles been involved in the process, and each have their corresponding "editable" form to deal with in the same process. We are considering few options, but none of them are really complete solutions. We believe this should be a relatively common used case for many business processes, and hoping that somebody else have already dealt with this problem. Any help is greatly appreciated. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547937#547937] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - Questions about transactions in jBPM 4.3

by Rachel Hodos

Rachel Hodos [http://community.jboss.org/people/rhodos] replied to the discussion "Questions about transactions in jBPM 4.3" To view the discussion, visit: http://community.jboss.org/message/547933#547933 -------------------------------------------------------------- HuiSheng, Thanks for your response. I am still a bit confused, though. What do you mean when you say that "the JobExecutor will start individual transactions to handle these jobs"? Does a separate transaction mean that the information will be stored in a separate location? Also, are you saying that every activity with an async continuation is executed in its own thread? If so, is there any chance of activities being executed out of order? In other words, in a pd: A-B-C (all async), could B start before A finishes? I've tested this and the answer seems to be 'no,' but I just want to be sure that this could never happen. Thanks again, Rachel -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547933#547933] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - Is the simple fork/join with async execution paths broken in jBPM 4.0

by Rachel Hodos

Rachel Hodos [http://community.jboss.org/people/rhodos] replied to the discussion "Is the simple fork/join with async execution paths broken in jBPM 4.0" To view the discussion, visit: http://community.jboss.org/message/547929#547929 -------------------------------------------------------------- Can anyone please explain +why+ one needs to put async continuations on each activity within a fork in order for things to advance automatically? Thanks, Rachel -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547929#547929] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - How do I turn off jBPM 4.3 transactional persistence?

by HuiSheng Xu

HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "How do I turn off jBPM 4.3 transactional persistence?" To view the discussion, visit: http://community.jboss.org/message/547926#547926 -------------------------------------------------------------- Hi Rachel, Please refer the default configuration in jbpm.hibernate.cfg.xml. In default, jbpm4 are using in-memory mode to do all of test on HSQLDB. Actually there are three running modes on hsqldb. In-Memory, File-based and server-client. You could get more information on hsqldb official website. http://hsqldb.org/ http://hsqldb.org/ -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547926#547926] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - NPE in Payload2XML.convert for console "instance data"

by HuiSheng Xu

HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "NPE in Payload2XML.convert for console "instance data"" To view the discussion, visit: http://community.jboss.org/message/547924#547924 -------------------------------------------------------------- Hi M M, Looks like a bug of BPM-console. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547924#547924] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - Adding some function in EL ?

by HuiSheng Xu

HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "Adding some function in EL ?" To view the discussion, visit: http://community.jboss.org/message/547922#547922 -------------------------------------------------------------- And if you only want to use i18n in EL. I could export *http://java.sun.com/products/jsp/2.1/docs/jsp-2_1-pfd2/javax/el/ResourceBundleELResolver.html ResourceBundleELResolver* in JbpmElFactoryImpl. What do you think about this? -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547922#547922] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - Adding some function in EL ?

by HuiSheng Xu

HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "Adding some function in EL ?" To view the discussion, visit: http://community.jboss.org/message/547921#547921 -------------------------------------------------------------- Hi Jaber, If you want to implement your own function, please refer org.jbpm.pvm.internal.el.JstlFunction. And I think Micheal's codes is very helpful. BWT, I think custom el function feature is very cool. But there were lots of works on EL which Tom have not completed yet, I am afraid we may not finish them on jbpm 4.4. Maybe on the next release we could make a good plan to finish these unresovled issues. Thank you very much. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547921#547921] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - Variables from ended process ...

by HuiSheng Xu

HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "Variables from ended process ..." To view the discussion, visit: http://community.jboss.org/message/547919#547919 -------------------------------------------------------------- Hi Jaber, The history variable feature has not implemeneted yet in jbpm 4.3. If you want to store history variable after proces have been deleted, you must store them into your table. Maciej have implemented this feature in the current trunk. We could try this feature after jbpm 4 releasing. But I don't think store all of process variables is a good idea. If you want more controlling for the variable data, please create your table and maintain them in your own tables. Please consider about it. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547919#547919] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - How to configure 4.3 the right way?

by HuiSheng Xu

HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "How to configure 4.3 the right way?" To view the discussion, visit: http://community.jboss.org/message/547918#547918 -------------------------------------------------------------- Hi Christian, The testcase I used is the test.SimpleTest in your projects. The result is jbpm4 is a little faster that jbpm3. I am very sorry that I have not enough time to find out the reason why in another testcase jbpm4 is much slower than jbpm3. All of your configuration looks just fine. If I could find any answer I will post back. Thank you very much. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547918#547918] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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Re: [jboss-user] [jBPM] - JBPM 3 Vs JBPM 4

by HuiSheng Xu

HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "JBPM 3 Vs JBPM 4" To view the discussion, visit: http://community.jboss.org/message/547917#547917 -------------------------------------------------------------- Hi Sanjay, I must say that I am agree with Bernd. If you need support from red hat, you should choose jbpm3. There is no such support for jbpm4. jBPM5 does not start yet. And Activiti is still in alpha state. If you choose to use jbpm4, it means that you won't get any official support from red hat. We have only community support, e.g. this forum. So if you have not start yet, please think about it carefully. And I think jbpm3 is more stable than jbpm4, although jbpm4 is much easier to learn and use. I believe jbpm3 could satisfy all of your need. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547917#547917] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&cont...]

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jboss-user June 2010