要从存储库中获取关系类型对象,请使用 RAMSession.getAllRelationshipTypes() 或 RAMSession.getRelationshipType(String name)。
//Fetch all relationship types
RAMRelationshipType[] relationshipTypes = session.getAllRelationshipTypes();
//Fetch a relationship type by name
RAMRelationshipType relationshipType = session.getRelationshipType("myRelType");
//Fetch a relationship type by Display Name
relationshipType = session.getRelationshipType("My Relationship Type");