stream result of iterator to a file

[anoordover <an...@live.nl>]

I have two questions:
I would like to stream the result of an iterator to a file.
I succeeded in doing that using a split with a factory class that creates my
iterator.
The name of the file is set dynamically in the header of the exchange.
So far I have no problem at all.

But I also want to write the stream to the database in a BLOB.
For this I have a kind of a writer which adapts a "dao" (not a real dao but
an interface that is made available via camel using the activemq component)
so that I am able to stream to this BLOB.
But the problem is that the first time I write a set of results to the
database a UID is generated for this row.
The next write use this UID to retrieve the stored document and append the
new set of result.
I "must" do it this way because the interaction with this database is only
available via a camel activemq endpoint. In the interface on this route I
have two methods available (saveDocument, appendToDocument).

For this solution I need to instantiate that writer for each "master"
exchange.
How can I make this instance (on a per exchange basis) available in my route
as a consumer?

Should I think about another solution?




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