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How to Transaction Management » History » Version 7

Henning Blohm, 11.09.2012 09:18

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h1. How to Integrate a Transaction Manager
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This Wiki is about how to integrate a full-blown transaction manager into Z2. We only consider Atomikos for now, hoping other TMs can be used similarly.
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Note that the z2-base.base repository contains the JTA 1.1 API and an implementation of it in the module *com.zfabrik.jta*. That is however not a real, full-featured transaction manager - rather just a pseudo-distributed transaction management implementation. There is no 2-phase-commit handling. 
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It is still extremely useful for 90% case where global, distributed transactions are unnecessary overkill. 
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At times however, you may require a real TM and even if you dont and want to use Atomikos with non-XA data sources, in which case it behaves similarly to *com.zfabrik.jta*, here is how it's done.
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There are two samples related to this page:
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* *z2-samples.jta-plain*: A sample scenario with just z2-base and Atomikos and no further trickery. This samples explains best what is needed to get going. See also [[samples_jta_plain]].
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* *z2-samples.jta-spring*: A sample scenario built on z2-base, z2-addons.spring, and Atomikos. This is the more advanced, Spring-minded case. The underlying mechanics may be harder to grasp though. See also [[samples_jta_spring]].
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Please consult [[How_to_Run_a_Sample]] on how to run these samples.
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h2. References
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* [[How_to_Run_a_Sample]]
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* [[How_to_Spring]]