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Nairaland Forum / Science/Technology / Programming / How Can I Implement A Local Area Networking For My App (840 Views)
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How Can I Implement A Local Area Networking For My App by Danyl(m): 8:22am On May 15, 2013 |
Good day fellows, i'm almost through with an app that uses java derby database as my back end. I want the applicatn to be run on a local area network while the users can all access the derby database located in the host system in the LAN. My questn is how do i make it such that all the uses can access the database concurrently. Though i used the ClientDriver version of d derby driver. I'm thinking of using remote method invocation but it might not be necessary. Pls guys how do i go about it. Thanks. |
Re: How Can I Implement A Local Area Networking For My App by javadoctor(m): 4:06pm On May 15, 2013 |
If u re using the low level api in jbdc con.setAutoCommit(false); should allow concurrent connections, |
Re: How Can I Implement A Local Area Networking For My App by Danyl(m): 8:46am On May 16, 2013 |
I have done dat,though am using JPA-java persistence API, i've seen some resources 2handle it anyway. Bt until i test it,i may not knw wat the outcome wil be. |
Re: How Can I Implement A Local Area Networking For My App by javadoctor(m): 11:54am On May 16, 2013 |
You shouldn't have to setAutocommit to false when using container transactionality. The spec says that you "must not use any resource-manager specific transaction management methods that would interfere with the container’s demarcatn,exampe java.sql.Connection. This has nothing to do with a java client on LAN network, nevertheless you shouldnt manage your transactions directly. When u obtain an entitymanager em, em.getTransaction.begin(); actually sets autoCommit to false in d lower class api. em.getTransaction.commit() sets it to true ,or rollback. Good choice using JPA though, |
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