Github user ptgoetz commented on the pull request:
https://github.com/apache/storm/pull/1050#issuecomment-176445555
@arunmahadevan you read my mind with the addition of the `filter()` method,
but I'm curious why you didn't use the existing `each()` method for it?
For example:
```java
public Stream filter(Fields inputFields, Filter filter) {
return each(inputFields, new FilterExecutor(filter), new Fields());
}
public Stream filter(Filter filter) {
return filter(getOutputFields(), filter);
}
```
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