Hi
Yes this is the expected behavior.
On Fri, Jan 20, 2012 at 5:18 PM, developpef <src...@orange.fr> wrote:
> Hello,
>
> Here is my question :
>
> I have a route that polls a directory and sends the files found to a
> ZipService 4 by 4 (the created zip have to contain all the files needed by
> another program, like : data1.shx, data1.shp, data1.dbf, data1.prj then
> data2.shx, data2.shp...).
>
> So here is my route :
> from("file://shp/?noop=true")
> // Group all files for zipping (expecting 4 files: .shp, .shx, .prj,
> .dbf)
> .aggregate(simple("${file:onlyname.noext}"), new
> ZipfileAggregationStrategy())
> .completionSize(4)
> .log("Zipping")
> .setHeader("zipDestinationFolder", constant("/destination"))
> .to("bean:my.ZipService?method=zipFile")
> .log("Zipped : ${file:onlyname.noext}");
>
> But because the considered files a very large (some Mo each), I cannot keep
> them in memory as aggregated messages body. So my aggregation strategy only
> return a list of files' paths :
>
> public Exchange aggregate(Exchange oldEx, Exchange newEx) {
> if (oldEx == null) {
> return newEx;
> } else {
> Object oldIn = oldEx.getIn().getBody();
> ArrayList list = null;
> if(oldIn instanceof GenericFile) {
> list = new ArrayList();
> list.add(((GenericFile<File>)
> oldIn).getAbsoluteFilePath());
> } else if(oldIn instanceof ArrayList) {
> list = (ArrayList) oldIn;
> }
>
> list.add(newEx.getIn().getBody(GenericFile.class).getAbsoluteFilePath());
> newEx.getIn().setBody(list);
> return newEx;
> }
> }
>
> These paths are then sent to my ZipService that does the final work. But
> when it wants to get a file to read it and zip it, an IOException is thrown
> as the file does not exist anymore : it has been consumed by Camel. So to
> avoid this problem, I have to set a "noop=true" param and then delete
> manually the files.
>
> Is this the expected behavior (aggregation consumes files) or do I do
> something wrong?
>
> Thank you in advance.
>
> -----
> http://developpef.blogspot.com
> --
> View this message in context:
> http://camel.465427.n5.nabble.com/Aggregator-consumes-messages-tp5160898p5160898.html
> Sent from the Camel - Users mailing list archive at Nabble.com.
--
Claus Ibsen
-----------------
FuseSource
Email: cib...@fusesource.com
Web: http://fusesource.com
Twitter: davsclaus, fusenews
Blog: http://davsclaus.blogspot.com/
Author of Camel in Action: http://www.manning.com/ibsen/
