| Interface | Description | 
|---|---|
| ManualPartitioner | 
 A function used to assign partitions to this spout. 
 | 
| TopicFilter | 
| Class | Description | 
|---|---|
| NamedTopicFilter | 
 Filter that returns all partitions for the specified topics. 
 | 
| PatternTopicFilter | 
 Filter that returns all partitions for topics matching the given  
Pattern. | 
| RoundRobinManualPartitioner | 
 Assign partitions in a round robin fashion for all spouts, not just the ones that are alive. 
 | 
| TopicAssigner | 
 Handles assigning partitions to the consumer and updating the rebalance listener. 
 | 
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