Java with GraphQL

<dependency>
  <groupId>me.wener.jraphql</groupId>
  <artifactId>jraphql-runtimer</artifactId>
  <version>0.0.6</version>
</dependency>
<dependency>
  <groupId>me.wener.jraphql</groupId>
  <artifactId>jraphql-parser-antlr</artifactId>
  <version>0.0.6</version>
</dependency>

# common.graphqls
scalar Version

# crm.graphqls
type CrmQuery {
  customer(id:ID!):Customer
  crmVersion: Version!
}
type CrmUser {
  customers: [Customer]
}
extend type Query by CrmQuery
extend type User by CrmUser

# erp.graphqls
type ErpQuery {
  product(id:ID!):Product
}
extend type Query by ErpQuery

# Only admin can see and use these methods
type AdminMutation {
  changePassword(id:ID,password:String): ChangePasswordPayload
}
extend type Mutation by AdminMutation @Role(role:"admin")

directive @JavaType(type:String) on DIRECTIVE
directive @Auth(value:String) @JavaType(type:"Auth") on FIELD_DEFINITION;

schema Test {
  query: MyQuery
}

interface Node {
    id: ID!
}

type User implements Node {
    # id: ID! # This is optional
}

mutation addRev {
  createReview(episode: EMPIRE, review: {stars: 4, commentary: "Ok Good"}) {
    stars
    commentary
  }
}

query rev($e:Episode = EMPIRE) {
  hero(episode: $e) {
    id
    name
    appearsIn
  }
  reviews(episode: $e) {
    stars
    commentary
  }
}

query search {
  search(text: "o") {
    __typename
    ... on Human {
      id
      name
    }
    ... on Droid {
      primaryFunction
    }
    ... on Starship {
      length
    }
  }
}

query baseQuery {
  starship(id: "3000") {
    id
    name
    length(unit: FOOT)
  }
  character(id: "2000") {
    id
    ... on Human {
      mass
      starships {
        name
      }
    }
    ... on Droid {
      name
      appearsIn
    }
  }
  human(id: "1003") {
    friendsConnection(after: "1002") {
      friends {
        name
      }
      pageInfo {
        hasNextPage
        startCursor
        endCursor
      }
    }
    friends {
      name
    }
  }
}