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Posted to dev@thrift.apache.org by "Bryan Duxbury (JIRA)" <ji...@apache.org> on 2011/03/15 18:27:29 UTC
[jira] Closed: (THRIFT-1050) Declaring an argument named "manager"
to a service method produces code that fails compile due to name conflicts
with protected ivars in TAsyncClient
[ https://issues.apache.org/jira/browse/THRIFT-1050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bryan Duxbury closed THRIFT-1050.
---------------------------------
Resolution: Fixed
Assignee: Bryan Duxbury
I just committed a minimal fix for this.
> Declaring an argument named "manager" to a service method produces code that fails compile due to name conflicts with protected ivars in TAsyncClient
> -----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: THRIFT-1050
> URL: https://issues.apache.org/jira/browse/THRIFT-1050
> Project: Thrift
> Issue Type: Bug
> Components: Java - Compiler, Java - Library
> Affects Versions: 0.5
> Reporter: Tony Kinnis
> Assignee: Bryan Duxbury
> Priority: Minor
> Fix For: 0.7
>
>
> The java code that is generated for a service method that has a argument named "manager" fails to compile. The TAsyncClient class declares a protected instance variable named "manager" and the generated code for the async call of that method declares a parameter called manager and also tries to use the instance variable called to dispatch the async call, however it can't since the method argument is shadowing the instance variable.
> Here is an example of the invalid code that is generated.
> {code}
> public void savePerson(Person manager, AsyncMethodCallback<savePerson_call> resultHandler) throws TException {
> checkReady();
> savePerson_call method_call = new savePerson_call(manager, resultHandler, this, protocolFactory, transport);
> manager.call(method_call); // XXXX This is where the compile error occurs
> }
> {code}
> I think having a argument named "manager" could be fairly common.
> There are two potential fixes to this problem.
> 1. rename TAsyncClient's instance variable to something more obscure and less likely to collide, like asyncClientManager
> 2. make the variable private and access it via a method
> I think changes would need to be made in TAsyncClient.java as well as the code generator.
> There are two other member variables with protected access that could also create similar conflicts.
> protocolFactory
> transport
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