Added paged person query.

src/main/kotlin/com/example/smallgraphqlapi/database/PersonEntityRepository.kt

@@ -1,7 +1,8 @@
 package com.example.smallgraphqlapi.database
 
 import org.springframework.data.repository.CrudRepository
+import org.springframework.data.repository.PagingAndSortingRepository
 import org.springframework.stereotype.Repository
 
 @Repository
-interface PersonEntityRepository : CrudRepository<PersonEntity, Int>
+interface PersonEntityRepository : CrudRepository<PersonEntity, Int>, PagingAndSortingRepository<PersonEntity, Int>

src/main/kotlin/com/example/smallgraphqlapi/graphql/PersonController.kt

@@ -2,6 +2,9 @@ package com.example.smallgraphqlapi.graphql
 
 import com.example.smallgraphqlapi.database.PersonEntity
 import com.example.smallgraphqlapi.database.PersonEntityRepository
+import org.springframework.data.domain.Page
+import org.springframework.data.domain.PageRequest
+import org.springframework.data.domain.Pageable
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.graphql.data.method.annotation.Argument
 import org.springframework.graphql.data.method.annotation.QueryMapping
@@ -16,6 +19,11 @@ class PersonController(private val personRepository: PersonEntityRepository) {
         return personRepository.findByIdOrNull(id)
     }
 
+    @QueryMapping
+    fun findPersons(@Argument page: Int, @Argument size: Int): Page<PersonEntity> {
+        return personRepository.findAll(PageRequest.of(page, size))
+    }
+
     @SchemaMapping(typeName = "Person")
     fun lastNameLength(person: PersonEntity): Int {
         return person.lastName.length

src/main/resources/graphql/schema.graphqls

@@ -1,8 +1,15 @@
 type Query {
     findPerson(id: Int!): Person
+    findPersons(page: Int! = 0, size: Int! = 10): PersonPage!
 }
+
 type Person {
     firstName: String!
     lastName: String!
     lastNameLength: Int!
+}
+
+type PersonPage {
+    totalElements: Int!
+    content: [Person!]!
 }