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Posted to issues@camel.apache.org by "Peter Keller (JIRA)" <ji...@apache.org> on 2014/07/04 15:02:33 UTC
[jira] [Commented] (CAMEL-7555) ZipAggregationStrategy does not
preserve properties
[ https://issues.apache.org/jira/browse/CAMEL-7555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14052424#comment-14052424 ]
Peter Keller commented on CAMEL-7555:
-------------------------------------
It's expected that properties are accessible during the *entire* lifetime of the {{Exchange}} object. From the JavaDoc of [Exchange|http://camel.apache.org/maven/current/camel-core/apidocs/org/apache/camel/Exchange.html]:
{quote}
The Exchange also holds meta-data during its *entire* lifetime stored as properties accessible using the various getProperty(String) methods.
{quote}
Why not copy just all properties as this is be done everywhere else?
> ZipAggregationStrategy does not preserve properties
> ---------------------------------------------------
>
> Key: CAMEL-7555
> URL: https://issues.apache.org/jira/browse/CAMEL-7555
> Project: Camel
> Issue Type: Bug
> Affects Versions: 2.13.1
> Reporter: Peter Keller
> Assignee: Willem Jiang
>
> {{ZipAggregationStrategy}} does not preserve properties:
> {code}
> public class MyRouteBuilder extends RouteBuilder {
> @Override
> public void configure() {
> from("file:zipper/in?include=.*.xml&noop=true")
> .process(new Processor() {
> @Override
> public void process(final Exchange exchange) throws Exception {
> exchange.setProperty("myProperty", "myValue");
> }
> })
> .aggregate(new ZipAggregationStrategy())
> .constant(true)
> .completionFromBatchConsumer()
> .eagerCheckCompletion()
> .log("myProperty = ${property.myProperty}")
> .to("file:zipper/out");
> }
> }
> {code}
> This logs:
> {quote}
> myProperty =
> {quote}
> Instead it should log:
> {quote}
> myProperty = myValue
> {quote}
> See http://stackoverflow.com/questions/24473035/how-to-access-calling-exchange-with-camels-zipaggregationstrategy
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