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Posted to issues@commons.apache.org by "Torsten Curdt (JIRA)" <ji...@apache.org> on 2010/06/22 21:14:55 UTC
[jira] Commented: (SANDBOX-323) Support for ASM 3.2 / 3.3 and
in/out continuations parameters
[ https://issues.apache.org/jira/browse/SANDBOX-323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12881307#action_12881307 ]
Torsten Curdt commented on SANDBOX-323:
---------------------------------------
Got it applied locally but still need to go through everything.
> Support for ASM 3.2 / 3.3 and in/out continuations parameters
> -------------------------------------------------------------
>
> Key: SANDBOX-323
> URL: https://issues.apache.org/jira/browse/SANDBOX-323
> Project: Commons Sandbox
> Issue Type: Improvement
> Components: Javaflow
> Affects Versions: Nightly Builds
> Environment: SUN JDK 1.6
> Reporter: Valery Silaev
> Assignee: Torsten Curdt
> Fix For: Nightly Builds
>
> Attachments: JavaFlow-SANDBOX-323.patch, javaflow_modified.zip
>
>
> 1. Currently JavaFlow can't be used with new ASM builds due to incompatible changes introduced in ASM 3.2, the patch provided adds support for ASM 3.2 / 3.3, so JavaFlow may be used with any ASM 3.x version
> 2. There is no API to return result from suspended continuation, ad-hoc custom logic with ThreadLocal variables is necessary for this. The patch contains necessary API improvements.
> // In continuation
> final Object varReceivedByContinuation = Continuation.suspend(varPassedByContinuation);
> // In calling client
> final Continuation cc = Continuation.startWith(code);
> System.out.println(cc.value()); // value() is yielded by continuation
> In certain sense this works as "yield" operator found in other programming languages, and has even richer semantics.
> 3. Miscellaneous: continuation-specific Iterable/Iterator are provided with patch as well to simplify iteration over multiple values yielded by continuation code; they are named CoRoutine / CoIterator in code.
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