GitHub user williamd1618 opened a pull request:
https://github.com/apache/camel/pull/602
Feature/kafka deferred offset commit
Currently the Camel Kafka connect auto-commits or commits in batch based
upon the countdown of a CyclicBarrier from the varying partitions as they
await. This pull request introduces the ability to defer the commit instead by
barrier but by subsequent Processor invocations (e.g. a message is read, then
transformed, routed to a new topic, and if the Producer is successful then a
subsequent Processor can issue the commit).
```
from().process(new MyTransformer()).to().process(new Processor() {
public void process(Exchange exchange) throws Exception {
ConsumerConnector c =
(Consumer)exchange.getProperty(KafkaConstants.CONSUMER);
if (c != null ) c.commitOffset();
}
})
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/williamd1618/camel
feature/kafka-deferred-offset-commit
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/camel/pull/602.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #602
----
commit e6403b54ff705bf5912fc1df837b01f9fc230f48
Author: Daniel Williams <daniel.willi...@pearson.com>
Date: 2015-08-21T20:39:18Z
Fix KafkaProducer URI
Guarantees that if the KafkaEndpoint has a UriParam
of topic the KeyedMessage will be sent to that topic,
if it does not have a topic and the Exchange message
has a header of kafka.TOPIC to use that instead.
commit 581537aa5813b43dc5035f57da1d8a2dc63987e3
Author: Daniel Williams <daniel.willi...@pearson.com>
Date: 2015-08-26T19:16:08Z
Add ability to defer Kafka offset commits
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