See: Description
| Interface | Description | 
|---|---|
| CheckpointAlgorithm | CheckpointAlgorithm provides a custom checkpoint
 policy for chunk steps. | 
| ItemProcessor | ItemProcessor is used in chunk processing
 to operate on an input item and produce
 an output item. | 
| ItemReader | ItemReader defines the batch artifact that reads
 items for chunk processing. | 
| ItemWriter | ItemWriter defines the batch artifact that writes to a 
 list of items for chunk processing. | 
| Class | Description | 
|---|---|
| AbstractCheckpointAlgorithm | The AbstractCheckpointAlgorithm provides default
 implementations of less commonly implemented
 methods. | 
| AbstractItemReader | The AbstractItemReader provides default implementations
 of less commonly implemented methods. | 
| AbstractItemWriter | The AbstractItemWriter provides default implementations
 of not commonly implemented methods. |