访存现有关系类型

要从存储库中获取关系类型对象,请使用 RAMSession.getAllRelationshipTypes()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");

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