Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1029#discussion_r50275791
--- Diff: storm-core/src/jvm/org/apache/storm/trident/operation/Filter.java
---
@@ -19,6 +19,30 @@
import org.apache.storm.trident.tuple.TridentTuple;
+import java.util.Map;
+
+/**
+ * Filters take in a tuple as input and decide whether or not to keep that
tuple or not.
+ *
+ * If the `isKeep()` method of a Filter returns `false` for a tuple, that
tuple will be filtered out of the Stream
+ *
+ *
+ * ### Configuration
+ * If your `Filter` implementation has configuration requirements, you
will typically want to extend
+ * {@link storm.trident.operation.BaseFilter} and override the
+ * {@link storm.trident.operation.Operation#prepare(Map,
TridentOperationContext)} method to perform your custom
+ * initialization.
+
+ *
+ * @see storm.trident.Stream
+ */
--- End diff --
all the links here need to be org.apache....
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