May 2008 - jboss-dev-forums - Jboss List Archives

[Design of Messaging on JBoss (Messaging/JBoss)] - Elegant way of Variable Latch for the waits on AIO?

by clebert.suconic＠jboss.com

Anyone knows a class that would act like a VariableCountDown? i.e. you have countUp and countDown? I need to find an elegant way to implement this: Say, you have messages being added to a transaction. Of course you will never know of hand how many messages are added to the transaction until you have called commit. When the commit is called you need to wait the callback for every message being persisted before leaving the method, so at that point I would call await for every message that was added to the Latch. Semaphores won't work as we don't know the number of requests of hand. So I looked into AbstractQueuedSycnrhonizer.. but the implementation is so trivial that I ended up copying CountDownLatch as VariableCountLatch. The result worked the way I expected, but I don't want to reinvent the wheel if there is some class out there doing what I needed. (Of course I googled it.. but I didn't find anything like that) I could just write a wait/notify object over simple synchronization, but I was looking for a java.util.concurrent style of implementation for this. But if we find out there is no good reason for it I can just implement the synchronize, counter--, counter++, wait and notify approach. (i.e. the traditional way) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148952#4148952 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148952

16 years, 1 month

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[Design of EJB 3.0] - Re: Annotated EJB References in MappedReferenceMetadataDeplo

by scott.stark＠jboss.org

Ok, I have taken the EJBTHREE-1338 issue and will look at it tonight. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148943#4148943 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148943

16 years, 1 month

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[Design of EJB 3.0] - Re: @Service and @Consumer in metadata

by ALRubinger

"wolfc" wrote : It might be interesting to have a deployer chain for other vendor descriptors, but that is not something we would/could support. OT: So we leave the door open for our growing community. :) "wolfc" wrote : An alternative for @Consumer and @Service is having a JBoss5Creator and then leave it up to the merge. Yes, this is what I was getting at. Change the *name* of the class to JBoss5Creator. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148934#4148934 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148934

16 years, 1 month

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[Design of EJB 3.0] - Re: @Service and @Consumer in metadata

by wolfc

It's not a naming issue. It might be interesting to have a deployer chain for other vendor descriptors, but that is not something we would/could support. An alternative for @Consumer and @Service is having a JBoss5Creator and then leave it up to the merge. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148931#4148931 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148931

16 years, 1 month

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[Design of EJB 3.0] - Re: Annotated EJB References in MappedReferenceMetadataDeplo

by ALRubinger

This is leading to wrong resolution of getResolvedJndiName() from AnnotatedEJBReferencesMetaData. S, ALR View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148915#4148915 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148915

16 years, 1 month

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[Design of EJB 3.0] - Annotated EJB References in MappedReferenceMetadataDeployer

by ALRubinger

Defining issue: http://jira.jboss.com/jira/browse/EJBTHREE-1338 See latest comment: "ALR" wrote : AnnotatedEJBReferencesMetaData annotatedRefs = env.getAnnotatedEjbReferences(); | | ...from MappedReferenceMetadataDeployer.resolve(ContainerDependencyMetaData cdmd, DeploymentUnit unit, | Map<String, ContainerDependencyMetaData> endpointMap, | Environment env, | DeploymentEndpointResolver resolver, | List unresolvedRefs) | | ...marks annotatedRefs as null. Would be populated at this stage, I would think? S, ALR View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148914#4148914 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148914

16 years, 1 month

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[Design of EJB 3.0] - Re: @Service and @Consumer in metadata

by ALRubinger

"alex.loubyansky(a)jboss.com" wrote : What do you think about changing EjbJar30Creator to produce JBossMetaData instead of the EjbJar30MetaData >From a naming perspective alone, this seems misleading. Do we have any ambitions towards using metadata to merge non-JBoss descriptors looking forward? If so, we'd need to keep the two-step process and support for other vendors' implementations as well. Food for thought before we centralize everything to gain minor some deployment-time improvements. S, ALR View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148912#4148912 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148912

16 years, 1 month

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[Design of Messaging on JBoss (Messaging/JBoss)] - Disabled flow control

by timfox

I have temporarily disabled flow control so I can concentrate on transport optimisations. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148908#4148908 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148908

16 years, 1 month

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[Design of Messaging on JBoss (Messaging/JBoss)] - INVM transport doesn't impose ordering

by timfox

Looking at the remoting code it looks to me like the OrderedExecutor functionality is only applied when using MINA, but doesn't occur when using the INVM transport - this doesn't look right to me. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148898#4148898 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148898

16 years, 1 month

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[Design of Messaging on JBoss (Messaging/JBoss)] - Refactored request-response functionality

by timfox

I have re-implemented the request-response functionality previously done using Request-Response filter. The new implementation is in RemotingConnectionImpl and is much simpler and has no dependency on MINA. I have a SSL tests failing: CoreClientOverSSLTest View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148895#4148895 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148895

16 years, 1 month

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jboss-dev-forums May 2008