code: @Override
  	public boolean isStored() {
  
  		if (isIdProperty()) {
  			return true;
  		}
  
  		Indexed indexedAnnotation = getIndexAnnotation();
  		return indexedAnnotation != null && indexedAnnotation.stored();
  	}
docs: /*
  (non-Javadoc)
  @see org.springframework.data.solr.core.mapping.SolrPersistentProperty#isStored()