NestedRepeatCallback (Spring Batch 4.1.4.RELEASE API)

java.lang.Object
- org.springframework.batch.repeat.callback.NestedRepeatCallback

All Implemented Interfaces:
RepeatCallback
```
public class NestedRepeatCallback
extends java.lang.Object
implements RepeatCallback
```
Callback that delegates to another callback, via a RepeatOperations instance. Useful when nesting or composing batches in one another, e.g. for breaking a batch down into chunks.
Author:
Dave Syer

- Constructor Summary
  Constructors
  Constructor Description
  NestedRepeatCallback(RepeatOperations template, RepeatCallback callback)
  Constructor setting mandatory fields.
- Method Summary
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  RepeatStatus doInIteration(RepeatContext context)
  Simply calls template.execute(callback).
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - NestedRepeatCallback
```
public NestedRepeatCallback(RepeatOperations template,
                            RepeatCallback callback)
```
    Constructor setting mandatory fields.
    Parameters:
    template - the RepeatOperations to use when calling the delegate callback
    callback - the RepeatCallback delegate
- Method Detail
  - doInIteration
```
public RepeatStatus doInIteration(RepeatContext context)
                           throws java.lang.Exception
```
    Simply calls template.execute(callback). Clients can use this to repeat a batch process, or to break a process up into smaller chunks (e.g. to change the transaction boundaries).
    Specified by:
    doInIteration in interface RepeatCallback
    Parameters:
    context - the current context passed in by the caller.
    Returns:
    an RepeatStatus which is continuable if there is (or may be) more data to process.
    Throws:
    java.lang.Exception - if there is a problem with the processing.
    See Also:
    RepeatCallback.doInIteration(RepeatContext)