Interface | Description |
---|---|
IMultiSchemableSpout | |
ISchemableSpout | |
ISpout |
ISpout is the core interface for implementing spouts.
|
ISpoutOutputCollector |
Methods are not expected to be thread safe.
|
MultiScheme | |
Scheme |
Class | Description |
---|---|
CheckpointSpout |
Emits checkpoint tuples which is used to save the state of the
IStatefulComponent across the topology. |
CheckPointState |
Captures the current state of the transaction in
CheckpointSpout . |
RawMultiScheme | |
RawScheme | |
SchemeAsMultiScheme | |
ShellSpout | |
SpoutOutputCollector |
This output collector exposes the API for emitting tuples from an
IRichSpout . |
Enum | Description |
---|---|
CheckPointState.Action | |
CheckPointState.State |
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