r 0 [http://community.jboss.org/people/rex*05] created the discussion
"High Level Architecture - jBPM4.3"
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Hello,
I have to write my Bachelor Thesis about a WfMS based on jBPM 4.3.
Now I want to explain the high level architecture from jBPM but on my research didn’t find a good sketch or a good explanation about it.
I know that in de developers guide there is a chapter about the architecture.
But there something is not very clear to me.
There it says that the PVM has four services: Command / Process / Execution and Management
But when I work with jBPM there is a Task / Repository / Execution / History and Management Service??? I can get al these services von the Process Engine like explained in chapter 5.2 of the user guide.
Can you help me making a sketch of the high level architecture from jBPM. I don’t want to talk about every little thing from the pvm. I just want to show what are the components of jBPM and how they fit together.
What do you think is this sketch correct?
Thanks for your help!
http://community.jboss.org/servlet/JiveServlet/showImage/2520/HL_jBPM_arc...http://community.jboss.org/servlet/JiveServlet/downloadImage/2520/450-600...
Greetings
Sandro
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Nenad Popovic [http://community.jboss.org/people/neshap] replied to the discussion
"ClassCastException"
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Hi ricardo,
Like maciej pointed out, check for multiple instances of jbpm if you are deploying it on AS. Also to add to his post, if you use Jboss and use jbpm as service in your application, check how you bind and unbind ProcessEngine to JNDI (I'm not sure whether the supplied service jbpm-jboss5.jar is properly written). This can cause classcast exceptions on application hot deploy.
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Victor Rubezhny [http://community.jboss.org/people/vrubezhny] replied to the discussion
"xhtml code assist performance"
To view the discussion, visit: http://community.jboss.org/message/536847#536847
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https://jira.jboss.org/jira/browse/JBIDE-6039https://jira.jboss.org/jira/browse/JBIDE-6039 and its sub-task (certainly related to this topic) https://jira.jboss.org/jira/browse/JBIDE-6167https://jira.jboss.org/jira/browse/JBIDE-6167
Currently I moved Proposal Context Information calculation out of proposals gathering cycle and this made significal improvement on CA appearance latency. This improvment related to Vadim's problem (JBIDE-6167).
I'm marking JBIDE-6167 as blocker. But I'm almost ready to commit my changes or create a patch ('almost' - because some code clean-up is required).
The second problem (I'm discovering under JBIDE-6039) is first-time values calculation by the models involved (JSF, Seam, CDI, Resource Bundles). And I currently have no Idea on how we can improve this.It's difficult to do something with it because the models are to be initialized and most of them are initialized at 'first access'. So, I'm not sure that we are able to achieve some significant improvements here. So, could we leave JBIDE-6039 as critical (but non-blocker) at least until we'll see effect of fixing JBIDE-6167?
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Lefteris Koutsoloukas [http://community.jboss.org/people/lefterisk] created the discussion
"Best way to acquire pojo cache references in MDBs"
To view the discussion, visit: http://community.jboss.org/message/536836#536836
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Hello everyone,
I need to use PojoCache inside various Message Driven Beans in my application.
What is the best way to acquire the reference to the pojo cache inside the MDB?
Is it ok if inside every onMessage() i acquire a reference through a PojoCacheFactory.createCache(configFile, toStart);
Is this creating a new instance every time or is it returning a singleton?
Is this killing performance/memory or not?
Is is possible to configure a cache instance somewhere and bind it to JNDI?
What if I deploy it with the Jboss microcontainer method, how do I get a reference to it?
Thanks in advance
Lefteris
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Daniel Posch [http://community.jboss.org/people/poschd] created the discussion
"Error: "Factory Method ... with a void return type must have an associated @Out/Databinder""
To view the discussion, visit: http://community.jboss.org/message/536834#536834
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Hi everyone,
the following piece of code causes the error 'Factory Method "somethings" with a void return type must have an associated @Out/Databinder' to be displayed. However, in my opinion there's nothing wrong. Actually, everything works. Is this an expected behavior?
Best Regards, Daniel
@Name("somethingManager")
@Scope(ScopeType.CONVERSATION)
public class SomethingManager implements Serializable {
@DataModel("somethings")
@Out
private List<Something> somethingList;
@DataModelSelection
@Out(value = "something", required = false, scope = ScopeType.SESSION)
private Hardware selectedSomething;
@Factory(value = "somethings") // !Error is displayed right here!
public void findHardware() { //...
}
}
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Marc Ende [http://community.jboss.org/people/meme] created the discussion
"Seperate SecurityDomains for diffrent queues?"
To view the discussion, visit: http://community.jboss.org/message/536833#536833
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Hi,
I'd like to protect an queue. Everything works well but I'd like to use another SecurityDomain. Within the SecurityStore is one
SecurityDomain specified but this one I don't like to use. I've got a seperate one which I had to use. Is there any way to specify a
custom SecurityDomain per Queue or for several Queues?
I don't want to reconfigure the default behaviour for the whole jboss (which is in my opinion too much work for
such a simple step.)
I'm using a JBoss 5.1.0 with the provided JBoss Messaging 1.4.3.
Is this possible? Thanks for your help!
Marc
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