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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"domain objects","articleBody":"I have following domain objects \u0026 I am using spring boot support for GraphQL.\r\n\r\npublic abstract class User {\r\n    private long id;\r\n    private String email;\r\n}\r\npublic class Person extends User {\r\n    private String firstName;\r\n    private String lastName;\r\n    //getters \u0026 setters\r\n}\r\npublic class Company extends User {\r\n    private String name;\r\n    private String hqCity;\r\n    //getters \u0026 setters\r\n}\r\nNow I want to fetch all users be it Person or Company. How would I do that using graphql schema ? I tried for interface in graphQL but that does not work. Does graphQL supports this in some way ?","author":{"url":"https://github.com/JoseRFJuniorLLMs","@type":"Person","name":"JoseRFJuniorLLMs"},"datePublished":"2018-12-28T14:36:04.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/2/GraphQL-Java-Spring/issues/2"}