public ItemReader<Chunk<T>> getOrCreateReader()
   {
      Node node = childNode.getOrCreate("reader");
      ItemReader<Chunk<T>> reader = new ItemReaderImpl<Chunk<T>>(this, "reader", childNode, node);
      return reader;
   }
public ItemReader < Chunk < T > > getOrCreateReader ( ) { Node node = childNode . getOrCreate ( "reader" ) ; ItemReader < Chunk < T > > reader = new ItemReaderImpl < Chunk < T > > ( this , "reader" , childNode , node ) ; return reader ; }
If not already created, a new <code>reader</code> element with the given value will be created.
Otherwise, the existing <code>reader</code> element will be returned.
@return  a new or existing instance of <code>ItemReader<Chunk<T>></code>