Jerry Cwiklik created UIMA-5501:
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Summary: UIMA-AS V3: Refactor code to support deploying services
without a broker
Key: UIMA-5501
URL: https://issues.apache.org/jira/browse/UIMA-5501
Project: UIMA
Issue Type: Sub-task
Components: Async Scaleout
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Fix For: 3.0.0AS
Current code supports JMS-base communication between UIMA-AS client and a
service. When both are co-located in the same process broker should not be
needed and replaced with a "direct" communication using java based queues.
The code refactoring is needed to support both jms and direct communication.
The communication choice will be defined in the DD by
<deployment protocol="[jms,java]" provider="[activemq,java]">
If the protocol=java and provider=java, the new UIMA-AS will use direct
communication(java) between client and a service. If the protocol=jms and
provider=activemq, the code will function as it currently does using AMQ for
transport between client and a service.
The DDs should use a placeholder ${Protocol} and ${Provider} to simplify
deployment and promote reuse. Except for the DD changes, the user code should
not be impacted by this change as most of it is internal. The code will
instantiate appropriate builder class which would create components necessary
to support communication model chosen in the DD.
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