[teiid-issues] [JBoss JIRA] Updated: (TEIID-164) Connector api overhaul

[Steven Hawkins (JIRA)]

     [ https://jira.jboss.org/jira/browse/TEIID-164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins updated TEIID-164:
---------------------------------

          Component/s: Connector API
                       Documentation
                       Misc. Connectors
                       Query Engine
        Fix Version/s: 6.0.0
    Affects Version/s: 6.0.0


Repackaged and updated existing connectors.  Still need to introduce the 5.5 compatibility layer.

> Connector api overhaul
> ----------------------
>
>                 Key: TEIID-164
>                 URL: https://jira.jboss.org/jira/browse/TEIID-164
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Connector API, Documentation, Misc. Connectors, Query Engine
>    Affects Versions: 6.0.0
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Critical
>             Fix For: 6.0.0
>
>
> Proposed changes:
> Remove getMetadata from connection - if and when it is implemented it will be an optional interface.
> Rename Connection.release to close and PoolAwareConnection.releaseCalled to closeCalled
> Remove ConnectorCapabilities.supportsExecutionMode and replace Asynch/SynchQuery, Asynch/SynchQueryCommand, Batched Executions with ResultSetExecution, also remove BatchedUpdate and BulkInsert Executions, which can be generalized on UpdateExecution.  
> BatchedUpdate and BulkInsert support would be indicated by capabilities on ConnectorCapabilities.  
> Execution mode integer constants would no longer be used, instead the ICommand object would be passed to the Connection.createExecution method.
> Asynch Connectors are created by modifying execution logic to throw a DataNotAvailableException, which contains the next poll interval.  This removes the need for special executions.
> ResultSetExecution would use an iteration approach, which removes the need for Batch and BasicBatch (FEDERATE-311)
> Connector batch size would be available on the ExecutionContext, rather than explicitly being passed to the execute method.
> Additionally all deprecated classes would be removed and a 5.5. compatibility layer created.  Current deprecations are:
> Deprecated ConnectorCapabilities scope, and added GlobalCapabilitiesProvider
> Deprecated ConnectionPool/DisabledConnectionPool/ConnectionPoolException, since pooling can be provided automatically
> Deprecated Asynch/SynchQueryExecution, and added Asynch/SynchQueryCommandExecution

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