Apollo GraphQL Federation
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![scalar Date
type Types {
id: ID!
int: Int
float: Float
boolean: Boolean
string: String
array1: [String!]
array2: [String]!
scalarDate: Date
func(param: String): Int
}
?
GraphQL Schema language](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-16-320.jpg)
![GraphQL Function Resolvers
type Response {
id: ID!
method: String!
statusCode: Int!
message: String!
}
type Query {
getResponse(id: ID!): Response
getByMethod(method: String!): [Response]
}](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-23-320.jpg)
![GraphQL Query language
type Response {
id: ID!
method: String!
statusCode: Int!
message: String!
}
type Query {
getResponse(id: ID!): Response
getByMethod(method: String!): [Response]
}](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-29-320.jpg)
![GraphQL Query language
{
"errors": [],
"data": {
"getType": {
"id": 12,
"method": "POST"
}
}
}
Response body:
query GetResponse($id: ID!){
getResponse(id: $id) {
id
method
}
}
query string:
variables:
{
"id": 12
}](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-30-320.jpg)
![Apollo Federated Schema
type Film @key(fields: "id") @extends {
id: ID! @external
reviews: [Review] @requires(fields: "id")
}
type Review @key(fields: "id") {
id: ID!
text: String!
user: User! @provides(fields: "name")
}
type User @key(fields: "id") {
id: ID! @external
name: String @external
reviews: [Review] @requires(fields: "id")
}
Review GraphQL serviceUser GraphQL service
type User {
id: ID!
name: String
rating: Float
}
type Film@key(fields: "id"){
id: ID!
name: name
}
type Query {
getFilm(
filmName: String): [Film]
}
Film GraphQL service](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-41-320.jpg)
![Apollo Federated Schema
type Film @key(fields: "id") @extends {
id: ID! @external
reviews: [Review] @requires(fields: "id")
}
type Review @key(fields: "id") {
id: ID!
text: String!
user: User! @provides(fields: "name")
}
type User @key(fields: "id") {
id: ID! @external
name: String @external
reviews: [Review] @requires(fields: "id")
}
Review GraphQL serviceUser GraphQL service
type User {
id: ID!
name: String
rating: Float
}
type Film@key(fields: "id"){
id: ID!
name: name
}
type Query {
getFilm(
filmName: String): [Film]
}
Film GraphQL service
@key(fields: "id")
@key ¨C §Õ§Ú§â§Ö§Ü§ä§Ú§Ó§Ñ, §à§Ò§à§Ù§ß§Ñ§é§Ñ§ð§ë§Ñ§ñ §Ü§Ý§ð§é/§Ú§Õ§Ö§ß§ä§Ú§æ§Ú§Ü§Ñ§ä§à§â GraphQL §ä§Ú§á§Ñ
(§Þ§à§Ø§Ö§ä §Ò§í§ä§î §Ó§Ý§à§Ø§Ö§ß§ß§í§Þ §Ú §ã§à§Ó§Þ§Ö§ë§Ö§ß§ß§í§Þ).](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-42-320.jpg)
![Apollo Federated Schema
type Film @key(fields: "id") @extends {
id: ID! @external
reviews: [Review] @requires(fields: "id")
}
type Review @key(fields: "id") {
id: ID!
text: String!
user: User! @provides(fields: "name")
}
type User @key(fields: "id") {
id: ID! @external
name: String @external
reviews: [Review] @requires(fields: "id")
}
Review GraphQL serviceUser GraphQL service
type User {
id: ID!
name: String
rating: Float
}
type Film@key(fields: "id"){
id: ID!
name: name
}
type Query {
getFilm(
filmName: String): [Film]
}
Film GraphQL service
@extends
@extends/extend ¨C §Õ§Ú§â§Ö§Ü§ä§Ú§â§Ñ/§Ü§Ý§ð§é§Ö§Ó§à§Ö §ã§Ý§à§Ó§à, §Ü§à§ä§à§â§Ñ§ñ §à§Ò§à§Ù§ß§Ñ§é§Ñ§Ö§ä,
§é§ä§à §Õ§Ñ§ß§ß§í§Û §ã§Ö§â§Ó§Ú§ã §â§Ñ§ã§ê§Ú§â§ñ§Ö§ä §å§Ü§Ñ§Ù§Ñ§ß§ß§í§Û §ä§Ú§á §ã§Ó§à§Ú§Þ §æ§å§ß§Ü§è§Ú§à§ß§Ñ§Ý§à§Þ. §¯§Ö
§Ú§Þ§Ö§Ö§ä §ã§Ó§ñ§Ù§Ú §ã §Ü§Ý§ð§é§Ö§Ó§í§Þ §ã§Ý§à§Ó§à§Þ ?implements?.](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-43-320.jpg)
![type Film @key(fields: "id") @extends {
id: ID! @external
reviews: [Review] @requires(fields: "id")
}
type Review @key(fields: "id") {
id: ID!
text: String!
user: User! @provides(fields: "name")
}
type User @key(fields: "id") {
id: ID! @external
name: String @external
reviews: [Review] @requires(fields: "id")
}
Review GraphQL serviceUser GraphQL service
type User {
id: ID!
name: String
rating: Float
}
type Film@key(fields: "id"){
id: ID!
name: name
}
type Query {
getFilm(
filmName: String): [Film]
}
Film GraphQL service
@external
@external ¨C §Õ§Ú§â§Ö§Ü§ä§Ú§Ó§Ñ, §å§Ü§Ñ§Ù§í§Ó§Ñ§ð§ë§Ñ§ñ §á§à§Ý§ñ, §Ü§à§ä§à§â§í§Ö §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§ð§ä§ã§ñ
§Õ§â§å§Ô§Ú§Þ §ã§Ö§â§Ó§Ú§ã§à§Þ §Ó §æ§Ö§Õ§Ö§â§Ñ§è§Ú§Ú.
Apollo Federated Schema](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-44-320.jpg)
![type Film @key(fields: "id") @extends {
id: ID! @external
reviews: [Review] @requires(fields: "id")
}
type Review @key(fields: "id") {
id: ID!
text: String!
user: User! @provides(fields: "name")
}
type User @key(fields: "id") {
id: ID! @external
name: String @external
reviews: [Review] @requires(fields: "id")
}
Review GraphQL serviceUser GraphQL service
type User {
id: ID!
name: String
rating: Float
}
type Film@key(fields: "id"){
id: ID!
name: name
}
type Query {
getFilm(
filmName: String): [Film]
}
Film GraphQL service
@requires(fields: "id")
@requires ¨C §à§Ò§à§Ù§ß§Ñ§é§Ñ§Ö§Þ §à§Ò§ñ§Ù§Ñ§ä§Ö§Ý§î§ß§í§Ö @external §á§à§Ý§ñ §ä§Ú§á§Ñ, §Ü§à§ä§à§â§í§Ö
§ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à §á§Ö§â§Ö§Õ§Ñ§ä§î §Ó §Ù§Ñ§á§â§à§ã§Ö §Õ§Ý§ñ §Ó§í§á§à§Ý§ß§Ö§ß§Ú§ñ §æ§å§ß§Ü§è§Ú§Ú.
Apollo Federated Schema](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-45-320.jpg)
![type Film @key(fields: "id") @extends {
id: ID! @external
reviews: [Review] @requires(fields: "id")
}
type Review @key(fields: "id") {
id: ID!
text: String!
user: User! @provides(fields: "name")
}
type User @key(fields: "id") {
id: ID! @external
name: String @external
reviews: [Review] @requires(fields: "id")
}
Review GraphQL serviceUser GraphQL service
type User {
id: ID!
name: String
rating: Float
}
type Film@key(fields: "id"){
id: ID!
name: name
}
type Query {
getFilm(
filmName: String): [Film]
}
Film GraphQL service
@provides(fields: "name")
@provides ¨C §Õ§Ú§â§Ö§Ü§ä§Ú§Ó§Ñ, §Ü§à§ä§à§â§Ñ§ñ §å§Ü§Ñ§Ù§í§Ó§Ñ§Ö§ä §ß§Ñ§Ò§à§â @external §á§à§Ý§Ö§Û,
§Ü§à§ä§à§â§í§Ö §ã§Ö§â§Ó§Ú§ã §Þ§à§Ø§Ö§ä §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ú§ä§î §Ó§ß§å§ä§â§Ú §ã§Ö§Ò§ñ.
Apollo Federated Schema](https://image.slidesharecdn.com/apollographqlfinal-200303101801/85/Apollo-GraphQL-Federation-46-320.jpg)
Apollo GraphQL Federation
- 2. Apollo GraphQL Federation Miniq #23 27 §¶§Ö§Ó§â§Ñ§Ý§ñ 2020
- 3. §¯§Ö§Þ§ß§à§Ô§à §à §ã§Ö§Ò§Ö: §±§Ý§ñ§ã§à§Ó §£§Ý§Ñ§Õ§Ú§ã§Ý§Ñ§Ó - §²§Ñ§Ù§â§Ñ§Ò§à§ä§é§Ú§Ü §Ó §Ü§à§Þ§á§Ñ§ß§Ú§Ú EPAM - 2+ §Ý§Ö§ä §â§Ñ§Ù§â§Ñ§Ò§à§ä§Ü§Ú §ß§Ñ Java - §±§Ú§ê§å §ß§Ñ GraphQL
- 4. §±§Ý§Ñ§ß §ß§Ñ§ê§Ú§ç §Õ§Ö§Û§ã§ä§Ó§Ú§Û §ß§Ñ §ã§Ö§Ô§à§Õ§ß§ñ:
- 5. §±§Ý§Ñ§ß §ß§Ñ§ê§Ú§ç §Õ§Ö§Û§ã§ä§Ó§Ú§Û §ß§Ñ §ã§Ö§Ô§à§Õ§ß§ñ: Houston, we don¡¯t have problems I¡¯m a tiger, Rrrrrr Your GraphQL federation, Sir ++
- 6. §±§Ý§Ñ§ß §ß§Ñ§ê§Ú§ç §Õ§Ö§Û§ã§ä§Ó§Ú§Û §ß§Ñ §ã§Ö§Ô§à§Õ§ß§ñ: Apollo Gateway +
- 7. §£§°§±§²§°§³
- 10. §°§ã§ß§à§Ó§ß§í§Ö §Ù§Ñ§Õ§Ñ§é§Ú GraphQL §µ§ß§Ú§æ§Ú§è§Ú§â§à§Ó§Ñ§ä§î §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§Ö§Þ§í§Ö §Õ§Ñ§ß§ß§í§Ö §¬§Ý§Ú§Ö§ß§ä §ã§Ñ§Þ §â§Ö§ê§Ñ§Ö§ä, §é§ä§à §à§ß §ç§à§é§Ö§ä §Ó§Ú§Õ§Ö§ä§î §Ó §à§ä§Ó§Ö§ä§Ö §¦§Õ§Ú§ß§Ñ§ñ §ä§à§é§Ü§Ñ §Ó§ç§à§Õ§Ñ §³§à§Ü§â§Ñ§ä§Ú§ä§î §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§à §Ù§Ñ§á§â§à§ã§à§Ó §ß§Ñ §ã§Ö§â§Ó§Ö§â
- 12. Facade pattern System Client side UI Server side GraphQL RESTful service 1 RESTful service 2 Database
- 13. Composite pattern System Client side UI Server side GraphQL RESTful serviceSQL RPC
- 15. GraphQL Schema language type QueryType { get(params: Int!): String } schema { query: QueryType mutation: MutationType } type MutationType { put(param: ID!): ID }
- 16. scalar Date type Types { id: ID! int: Int float: Float boolean: Boolean string: String array1: [String!] array2: [String]! scalarDate: Date func(param: String): Int } ? GraphQL Schema language
- 17. interface BasicType { id: ID! int: Int } type Implementation implements BasicType { id: ID! int: Int string: String someFunction(param: String!): Int } GraphQL Schema language
- 18. GraphQL Schema language type Obj { id: ID! fieldOne: Int fieldTwo: String } input InputType { fieldOne: Int fieldTwo: String } type Mutation { putObj(inputType: InputType): Obj }
- 19. GraphQL Schema language type TypeOne { fieldOne: String } type TypeTwo { fieldTwo: Int } union UnionType = TypeOne | TypeTwo type Query { search(params: Int!): UnionType }
- 20. GraphQL Schema language enum Enumeration { A B C } type TypeOne { id: ID! field: Enumeration! } type Query { request(param: Enumeration!): String }
- 22. GraphQL REST Endpoint { "operationName": "{opName}", "query": "{queryString}", "variables": { "variable": "variable" } } Request body Method: POST Path: /graphql
- 23. GraphQL Function Resolvers type Response { id: ID! method: String! statusCode: Int! message: String! } type Query { getResponse(id: ID!): Response getByMethod(method: String!): [Response] }
- 24. GraphQL Function Resolvers type Response { id: ID! method: String! statusCode: Int! message: String! } public class Response { private Long id; private String method; private Integer statusCode; private String message; ¡ }
- 25. GraphQL Function Resolvers getResponse(id: ID!): Response public class QueryResolver { ¡ public DataFetcher<Response> getResponse() { return dataFetchingEnvironment -> { String id = dataFetchingEnvironment.getArgument("id"); return responseService.get(id); }; }
- 26. GraphQL Schema provider public class SchemaProvider { private GraphQL graphQL; public GraphQL getGraphql() { return graphQL; } private RuntimeWiring buildWiring() { return RuntimeWiring.newRuntimeWiring() .type(newTypeWiring("Query") .dataFetcher("getResponse", queryResolver.getResponse())) .build(); } ¡ }
- 27. GraphQL Schema provider public class SchemaProvider { private GraphQL graphQL; public GraphQL getGraphql() { return graphQL; } private void initGraphQLScheme() throws IOException { Resource sdl = new ClassPathResource("schema.graphqls"); GraphQLSchema schema = Federation.transform(sdl.getFile(), buildWiring()) .fetchEntities(dataFetchingEnvironment -> Collections.emptyList()) .resolveEntityType(typeResolutionEnvironment -> null) .build(); graphQL = GraphQL.newGraphQL(schema).build(); } ¡ }
- 29. GraphQL Query language type Response { id: ID! method: String! statusCode: Int! message: String! } type Query { getResponse(id: ID!): Response getByMethod(method: String!): [Response] }
- 30. GraphQL Query language { "errors": [], "data": { "getType": { "id": 12, "method": "POST" } } } Response body: query GetResponse($id: ID!){ getResponse(id: $id) { id method } } query string: variables: { "id": 12 }
- 31. Application Application layers (Java) GraphQL Services Repositories REST Client REST Endpoint Application Services Repositories REST Client REST Endpoints GraphQL RESTful GraphQL Resolvers
- 33. §£§°§±§²§°§³
- 34. §±§â§à§Ò§Ý§Ö§Þ§Ñ 1 N N 1 User Review Film
- 35. §±§â§à§Ò§Ý§Ö§Þ§Ñ
- 36. §±§â§à§Ò§Ý§Ö§Þ§í §ã§Ú§ã§ä§Ö§Þ§í §±§â§à§Ò§Ý§Ö§Þ§Ñ N + 1 §Ù§Ñ§á§â§à§ã§à§Ó §±§â§Ú§Þ§Ö§â: §£§í§Ó§Ö§ã§ä§Ú §ã§á§Ú§ã§à§Ü §æ§Ú§Ý§î§Þ§à§Ó §ã 1 §à§ä§Ù§í§Ó§à§Þ §±§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§î§ß§à§ã§ä§î §ã§Ú§ã§ä§Ö§Þ§í §±§â§à§á§å§ã§Ü§ß§Ñ§ñ §ã§á§à§ã§à§Ò§ß§à§ã§ä§î §ã§Ö§ä§Ú §¢§à§Ý§î§ê§à§Ö §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§à §Ù§Ñ§á§â§à§ã§à§Ó §ß§Ñ GraphQL §ã§Ö§â§Ó§Ú§ã§í §¬§Ý§Ú§Ö§ß§ä §å§á§â§Ñ§Ó§Ý§ñ§Ö§ä §á§â§à§è§Ö§ã§ã§à§Þ §ã§Ò§à§â§Ñ §Õ§Ñ§ß§ß§í§ç §´§â§Ö§Ò§å§Ö§ä§ã§ñ §Õ§à§á. §Ý§à§Ô§Ú§Ü§Ñ §Ó GraphQL §ã§Ö§â§Ó§Ú§ã§Ñ§ç
- 39. §¯§Ö§Þ§ß§à§Ô§à §ä§Ö§â§Þ§Ú§ß§à§Ó Apollo GraphQL Federation ¨C ?§Þ§Ú§Ü§â§à§ã§Ö§â§Ó§Ú§ã§ß§Ñ§ñ? §ã§Ú§ã§ä§Ö§Þ§Ñ, §ã§à§ã§ä§à§ñ§ë§Ñ§ñ §Ú§Ù §ß§Ö§ã§Ü§à§Ý§î§Ü§Ú§ç GraphQL §ã§Ö§â§Ó§Ú§ã§à§Ó §Ú Apollo Gateway Apollo Gateway ¨C backend-for-frontend §á§â§Ú§Ý§à§Ø§Ö§ß§Ú§Ö, §Ü§à§ä§à§â§à§Ö §Ù§Ñ§ß§Ú§Þ§Ñ§Ö§ä§ã§ñ §à§Ò§â§Ñ§Ò§à§ä§Ü§à§Û GraphQL §Ù§Ñ§á§â§à§ã§à§Ó §Ú §á§Ö§â§Ö§Õ§Ñ§é§Ö§Û §Ú§ç §ß§Ñ §ã§à§à§ä§Ó§Ö§ä§ã§ä§Ó§å§ð§ë§Ú§Ö GraphQL §ã§Ö§â§Ó§Ú§ã§í §Ó §æ§Ö§Õ§Ö§â§Ñ§è§Ú§Ú. Apollo Federated Schema ¨C §°§Ò§ì§Ö§Õ§Ú§ß§Ö§ß§ß§í§Ö GraphQL §ã§ç§Ö§Þ§í §ã§à §Ó§ã§Ö§ç §ã§Ö§â§Ó§Ú§ã§à§Ó §æ§Ö§Õ§Ö§â§Ñ§è§Ú§Ú §Ó §à§Õ§ß§å §à§Ò§ë§å§ð. §¥§Ñ§ß§ß§Ñ§ñ §ã§ç§Ö§Þ§Ñ §ß§å§Ø§ß§Ñ Apollo Gateway §Õ§Ý§ñ §à§Ò§â§Ñ§Ò§à§ä§Ü§Ú §Ù§Ñ§á§â§à§ã§à§Ó.
- 41. Apollo Federated Schema type Film @key(fields: "id") @extends { id: ID! @external reviews: [Review] @requires(fields: "id") } type Review @key(fields: "id") { id: ID! text: String! user: User! @provides(fields: "name") } type User @key(fields: "id") { id: ID! @external name: String @external reviews: [Review] @requires(fields: "id") } Review GraphQL serviceUser GraphQL service type User { id: ID! name: String rating: Float } type Film@key(fields: "id"){ id: ID! name: name } type Query { getFilm( filmName: String): [Film] } Film GraphQL service
- 42. Apollo Federated Schema type Film @key(fields: "id") @extends { id: ID! @external reviews: [Review] @requires(fields: "id") } type Review @key(fields: "id") { id: ID! text: String! user: User! @provides(fields: "name") } type User @key(fields: "id") { id: ID! @external name: String @external reviews: [Review] @requires(fields: "id") } Review GraphQL serviceUser GraphQL service type User { id: ID! name: String rating: Float } type Film@key(fields: "id"){ id: ID! name: name } type Query { getFilm( filmName: String): [Film] } Film GraphQL service @key(fields: "id") @key ¨C §Õ§Ú§â§Ö§Ü§ä§Ú§Ó§Ñ, §à§Ò§à§Ù§ß§Ñ§é§Ñ§ð§ë§Ñ§ñ §Ü§Ý§ð§é/§Ú§Õ§Ö§ß§ä§Ú§æ§Ú§Ü§Ñ§ä§à§â GraphQL §ä§Ú§á§Ñ (§Þ§à§Ø§Ö§ä §Ò§í§ä§î §Ó§Ý§à§Ø§Ö§ß§ß§í§Þ §Ú §ã§à§Ó§Þ§Ö§ë§Ö§ß§ß§í§Þ).
- 43. Apollo Federated Schema type Film @key(fields: "id") @extends { id: ID! @external reviews: [Review] @requires(fields: "id") } type Review @key(fields: "id") { id: ID! text: String! user: User! @provides(fields: "name") } type User @key(fields: "id") { id: ID! @external name: String @external reviews: [Review] @requires(fields: "id") } Review GraphQL serviceUser GraphQL service type User { id: ID! name: String rating: Float } type Film@key(fields: "id"){ id: ID! name: name } type Query { getFilm( filmName: String): [Film] } Film GraphQL service @extends @extends/extend ¨C §Õ§Ú§â§Ö§Ü§ä§Ú§â§Ñ/§Ü§Ý§ð§é§Ö§Ó§à§Ö §ã§Ý§à§Ó§à, §Ü§à§ä§à§â§Ñ§ñ §à§Ò§à§Ù§ß§Ñ§é§Ñ§Ö§ä, §é§ä§à §Õ§Ñ§ß§ß§í§Û §ã§Ö§â§Ó§Ú§ã §â§Ñ§ã§ê§Ú§â§ñ§Ö§ä §å§Ü§Ñ§Ù§Ñ§ß§ß§í§Û §ä§Ú§á §ã§Ó§à§Ú§Þ §æ§å§ß§Ü§è§Ú§à§ß§Ñ§Ý§à§Þ. §¯§Ö §Ú§Þ§Ö§Ö§ä §ã§Ó§ñ§Ù§Ú §ã §Ü§Ý§ð§é§Ö§Ó§í§Þ §ã§Ý§à§Ó§à§Þ ?implements?.
- 44. type Film @key(fields: "id") @extends { id: ID! @external reviews: [Review] @requires(fields: "id") } type Review @key(fields: "id") { id: ID! text: String! user: User! @provides(fields: "name") } type User @key(fields: "id") { id: ID! @external name: String @external reviews: [Review] @requires(fields: "id") } Review GraphQL serviceUser GraphQL service type User { id: ID! name: String rating: Float } type Film@key(fields: "id"){ id: ID! name: name } type Query { getFilm( filmName: String): [Film] } Film GraphQL service @external @external ¨C §Õ§Ú§â§Ö§Ü§ä§Ú§Ó§Ñ, §å§Ü§Ñ§Ù§í§Ó§Ñ§ð§ë§Ñ§ñ §á§à§Ý§ñ, §Ü§à§ä§à§â§í§Ö §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§ð§ä§ã§ñ §Õ§â§å§Ô§Ú§Þ §ã§Ö§â§Ó§Ú§ã§à§Þ §Ó §æ§Ö§Õ§Ö§â§Ñ§è§Ú§Ú. Apollo Federated Schema
- 45. type Film @key(fields: "id") @extends { id: ID! @external reviews: [Review] @requires(fields: "id") } type Review @key(fields: "id") { id: ID! text: String! user: User! @provides(fields: "name") } type User @key(fields: "id") { id: ID! @external name: String @external reviews: [Review] @requires(fields: "id") } Review GraphQL serviceUser GraphQL service type User { id: ID! name: String rating: Float } type Film@key(fields: "id"){ id: ID! name: name } type Query { getFilm( filmName: String): [Film] } Film GraphQL service @requires(fields: "id") @requires ¨C §à§Ò§à§Ù§ß§Ñ§é§Ñ§Ö§Þ §à§Ò§ñ§Ù§Ñ§ä§Ö§Ý§î§ß§í§Ö @external §á§à§Ý§ñ §ä§Ú§á§Ñ, §Ü§à§ä§à§â§í§Ö §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à §á§Ö§â§Ö§Õ§Ñ§ä§î §Ó §Ù§Ñ§á§â§à§ã§Ö §Õ§Ý§ñ §Ó§í§á§à§Ý§ß§Ö§ß§Ú§ñ §æ§å§ß§Ü§è§Ú§Ú. Apollo Federated Schema
- 46. type Film @key(fields: "id") @extends { id: ID! @external reviews: [Review] @requires(fields: "id") } type Review @key(fields: "id") { id: ID! text: String! user: User! @provides(fields: "name") } type User @key(fields: "id") { id: ID! @external name: String @external reviews: [Review] @requires(fields: "id") } Review GraphQL serviceUser GraphQL service type User { id: ID! name: String rating: Float } type Film@key(fields: "id"){ id: ID! name: name } type Query { getFilm( filmName: String): [Film] } Film GraphQL service @provides(fields: "name") @provides ¨C §Õ§Ú§â§Ö§Ü§ä§Ú§Ó§Ñ, §Ü§à§ä§à§â§Ñ§ñ §å§Ü§Ñ§Ù§í§Ó§Ñ§Ö§ä §ß§Ñ§Ò§à§â @external §á§à§Ý§Ö§Û, §Ü§à§ä§à§â§í§Ö §ã§Ö§â§Ó§Ú§ã §Þ§à§Ø§Ö§ä §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ú§ä§î §Ó§ß§å§ä§â§Ú §ã§Ö§Ò§ñ. Apollo Federated Schema
- 47. Apollo Gateway
- 48. Apollo Gateway
- 49. Apollo Gateway Features Easy to create and deploy §±§à§Õ§Õ§Ö§â§Ø§Ü§Ñ Persisted queries §Ò§Ö§Ù §Õ§à§á. §ß§Ñ§ã§ä§â§à§Ö§Ü §±§à §ã§â§Ö§Õ§ã§ä§Ó§à§Þ §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§ñ @cacheControl §Õ§Ú§â§Ö§Ü§ä§Ú§Ó§í §±§à§Õ§Õ§Ö§â§Ø§Ü§Ñ §Ü§ï§ê§Ú§â§à§Ó§Ñ§ß§Ú§ñ §ä§Ú§á§à§Ó §Ú §á§à§Ý§Ö§Û AWS API Gateway ¨C AWS Lambda ( )¨C GraphQL Service §£§à§Ù§Þ§à§Ø§ß§à§ã§ä§î §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §Ü§Ñ§Ü Serverless app. §£§à§Ù§Þ§à§Ø§ß§à§ã§ä§î §Ú§ß§ä§Ö§Ô§â§Ñ§è§Ú§Ú §ã CDN §ã§Ö§â§Ó§Ú§ã§Ñ§Þ§Ú §Õ§Ý§ñ §Ü§ï§ê§Ñ §¡§Ó§ä§à§Þ§Ñ§ä§Ú§é§Ö§ã§Ü§Ú §â§Ñ§ã§á§â§Ö§Õ§Ö§Ý§ñ§Ö§ä §Ù§Ñ§á§â§à§ã§í §á§à §ã§Ö§â§Ó§Ú§ã§Ñ§Þ
- 51. Apollo Federation CONs Apollo Gateway §á§à§Õ§Õ§Ö§â§Ø§Ú§Ó§Ñ§Ö§ä §ä§à§Ý§î§Ü§à NodeJS §´§â§Ö§Ò§å§Ö§ä §Ù§ß§Ñ§ß§Ú§Ö §Ú §á§à§ß§Ú§Þ§Ñ§ß§Ú§Ö §Ó§ã§Ö§Û GraphQL §ã§ç§Ö§Þ§í §¢§à§Ý§î§ê§à§Ö §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§à ¡°issues¡± §ß§Ñ GitHub (>200)
- 52. §ª§ß§ä§Ö§â§Ö§ã§ß§í§Ö §ã§ã§í§Ý§Ü§Ú GraphQL tutorial for Java: https://www.graphql-java.com/documentation/v11/schema/ How to migrate to GraphQL from REST API: https://blog.apimatic.io/moving-to-graphql-from-soap-or-rest-2383f7dc6523 GraphQL: https://graphql.org/ Apollo GraphQL Federation example and GraphQL fast run: https://github.com/vladislav1995?tab=repositories Solve problem N+1 requests via DataLoaders: https://github.com/graphql-java/java-dataloader#examples
- 53. §ª§ß§ä§Ö§â§Ö§ã§ß§í§Ö §ã§ã§í§Ý§Ü§Ú Apollo Gateway Caching: https://www.apollographql.com/docs/apollo-server/performance/caching/ Apollo GraphQL Federation: https://www.apollographql.com/docs/apollo-server/federation/core- concepts/ Apollo Gateway request processing: https://www.apollographql.com/docs/apollo- server/federation/implementing/#customizing-outgoing-responses How to deploy Apollo Gateway on AWS: https://www.apollographql.com/docs/apollo-server/deployment/lambda/