||Context object for weakly typed data stored for the duration of a chunk
(usually a group of items processed together in a transaction).
||A context object that can be used to interrogate the current
StepExecution and some of its associated properties using expressions
based on bean paths.
||Convenient base class for clients who need to do something in a repeat
callback inside a
||Convenient aspect to wrap a single threaded step execution, where the
implementation of the
Step is not step scope aware (i.e.
||Central convenience class for framework use in managing the step scope