code: @Override
  	public boolean isChildProperty() {
  
  		Field fieldAnnotation = getFieldAnnotation();
  
  		if (fieldAnnotation != null && fieldAnnotation.child()) {
  			return true;
  		}
  
  		return findAnnotation(ChildDocument.class) != null;
  	}
docs: /*
  (non-Javadoc)
  @see org.springframework.data.solr.core.mapping.SolrPersistentProperty#isChildProperty()