elasticsearch/logstash — pull request #1260 by jordansissel (2014-04-12 22:18:30+00:00)
Title: Feature/filter flushing execution

This patch should implement correct behavior for filter flushes.

```
filter {
one { }
if ... { two { } }
else { ... }
three { }
}
```

In the above, if 'two' emits an event periodically (via flush), then *only* 'three' should receive it.