private Map<?, ?> toMap_AttchedObject_MultiStepPath(ObjectContext context, Persistent persistent) { Iterator<CayenneMapEntry> pathComponents = Cayenne.getObjEntity(persistent).getDbEntity() .resolvePathComponents(this); LinkedList<DbRelationship> reversedPathComponents = new LinkedList<>(); while (pathComponents.hasNext()) { CayenneMapEntry component = pathComponents.next(); if (component instanceof DbRelationship) { DbRelationship rel = (DbRelationship) component; DbRelationship reverseRelationship = rel.getReverseRelationship(); if (reverseRelationship == null) { reverseRelationship = rel.createReverseRelationship(); } reversedPathComponents.addFirst(reverseRelationship); } else { break; // an attribute can only occur at the end of the path } } DbEntity finalEntity = reversedPathComponents.get(0).getSourceEntity(); StringBuilder reversedPathStr = new StringBuilder(); for (int i = 0; i < reversedPathComponents.size(); i++) { reversedPathStr.append(reversedPathComponents.get(i).getName()); if (i < reversedPathComponents.size() - 1) { reversedPathStr.append('.'); } } return ObjectSelect.dbQuery(finalEntity.getName()) .where(ExpressionFactory.matchDbExp(reversedPathStr.toString(), persistent)).selectOne(context); }