| Interface | Description |
|---|---|
| IMultiSchemableSpout | |
| IRichSpout |
When writing topologies using Java,
IRichBolt and IRichSpout are the main interfaces
to use to implement components of the topology. |
| ISchemableSpout | |
| ISpout |
ISpout is the core interface for implementing spouts.
|
| ISpoutOutputCollector | |
| MultiScheme | |
| Scheme |
| Class | Description |
|---|---|
| BaseRichSpout | |
| RawMultiScheme | |
| RawScheme | |
| SchemeAsMultiScheme | |
| SpoutOutputCollector |
This output collector exposes the API for emitting tuples from an
backtype.heron.topology.IRichSpout. |