- setDelegate
The item reader to use as a delegate. Items are read from the delegate and
passed to the caller in #
- updateDelegate
- close
If the delegate is an ItemStream, just pass the call on, otherwise reset the
peek cache.
- open
If the delegate is an ItemStream, just pass the call on, otherwise reset the
peek cache.
- peek
Peek at the next item, ensuring that if the delegate is an ItemStream the state
is stored for the ne
- read
Get the next item from the delegate (whether or not it has already been peeked
at).
- update
If there is a cached peek, then retrieve the execution context state from that
point. If there is no