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https://issues.apache.org/jira/browse/GEODE-3391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16329384#comment-16329384
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ASF GitHub Bot commented on GEODE-3391:
---------------------------------------

dgkimura opened a new pull request #188: GEODE-3391: Update Transaction id to 
pass by references
URL: https://github.com/apache/geode-native/pull/188
 
 
   Updates _CacheTransactionManager.hpp_ to use type ```TransactionId&``` 
instead of ```std::shared_ptr<TransactionId>```.
   
   Notes: Important to note this change to ref forces behavior change because 
previous code returned nullptr when suspending transaction if transaction isn't 
currently in flight 
([example](https://github.com/apache/geode-native/compare/develop...dgkimura:feature/GEODE-3391-transactionidref?expand=1#diff-1d700ac09f0ace4175f618859ead7f34L329)).
  Now we instead throw.  If we wanted to preserve previous behavior, we would 
likely need to use raw/smart pointers instead of references.
   
   Testing: All stable integration tests and unittests passed on Mac and 
Windows.  Note that all but 1 of transaction tests are currently marked 
flaky...  I will try to tackle fixing these tests in separate pull-request.

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> eval shared_ptr usage in 
> CacheListener/CacheLoader/CacheTransactionMgr/CacheWriter
> ----------------------------------------------------------------------------------
>
>                 Key: GEODE-3391
>                 URL: https://issues.apache.org/jira/browse/GEODE-3391
>             Project: Geode
>          Issue Type: Improvement
>          Components: native client
>            Reporter: Ernest Burghardt
>            Priority: Major
>              Labels: pull-request-available
>
> evaluate shared_ptr usage and change to reference
>  virtual void afterRegionDisconnected(Region& region)
>  virtual CacheablePtr load(Region& rp, const CacheableKeyPtr& key,
>                             const UserDataPtr& aCallbackArgument) = 0;
>   virtual void close(Region& rp);
>   virtual void resume(const TransactionId& transactionId)   
> virtual const TransactionId& getTransactionId() = 0;
>   virtual void close(Region& rp);



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