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From "Barry Kaplan (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (CAMEL-2167) Upgrade camel-scala to scala 2.8
Date Wed, 25 Nov 2009 03:51:52 GMT

    [ https://issues.apache.org/activemq/browse/CAMEL-2167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=56078#action_56078
] 

Barry Kaplan edited comment on CAMEL-2167 at 11/24/09 7:50 PM:
---------------------------------------------------------------

I don't even know what makes sense for ProcessorDefinitionclass above. I've tried:


{code}
public abstract class ProcessorDefinition<Type extends ProcessorDefinition> extends
OptionalIdentifiedDefinition<ProcessorDefinition> ...
public abstract class ProcessorDefinition<Type extends ProcessorDefinition> extends
OptionalIdentifiedDefinition<OptionalIdentifiedDefinition> ...
public abstract class ProcessorDefinition<Type extends ProcessorDefinition> extends
OptionalIdentifiedDefinition<Type> ...
{code}

All of which compile with javac but none of which type check with scalac.



      was (Author: memelet):
    I don't even know what makes sense for ProcessorDefinitionclass above. I've tried:

{code}
public abstract class ProcessorDefinition<Type extends ProcessorDefinition> extends
OptionalIdentifiedDefinition<ProcessorDefinition> ...
public abstract class ProcessorDefinition<Type extends ProcessorDefinition> extends
OptionalIdentifiedDefinition<OptionalIdentifiedDefinition> ...
public abstract class ProcessorDefinition<Type extends ProcessorDefinition> extends
OptionalIdentifiedDefinition<Type> ...
{code}

All of which compile with javac but none of which type check with scalac.


  
> Upgrade camel-scala to scala 2.8
> --------------------------------
>
>                 Key: CAMEL-2167
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-2167
>             Project: Apache Camel
>          Issue Type: Improvement
>          Components: camel-scala
>    Affects Versions: 2.0.0
>            Reporter: Barry Kaplan
>            Assignee: Hadrian Zbarcea
>             Fix For: 2.2.0, 2.3.0
>
>         Attachments: Upgrade_to_scala_2_8.patch
>
>
> The attached patch upgrades to 2.8.0-SNAPSHOT (actually a specific version, but pretty
close to today). 
> Only a few changes were required:
>  - Change package declarations to new 2.8 style that allows relative imports
>  - Change org.apache.camel.scala.conveters.ScalaTypeConverter from a singleton object
to a class. Otherwise ObjectHelper failed to instantiate the converter due to private access.
(This could be 2.8 bug. I will need to raise an issue.)
> - Removed generic parameters on references to java classes that were not generic. Don't
know why this compiled with scala 2.7.

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