code: @Override
  	public void afterCompletion(int status) {
  
  		CompletionDelegate delegate = this.delegates.get(status);
  		if (delegate != null) {
  			delegate.execute(this.solrOperations);
  		}
  	}
docs: /*
  (non-Javadoc)
  @see org.springframework.transaction.support.TransactionSynchronizationAdapter#afterCompletion(int)