BAEL-5308 An Introduction to Domain Graph Service (DGS) Framework (#11718)
Co-authored-by: Adrianna Zychewicz <adrianna.zychewicz@decerto.pl>
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung.graphql-dgs</groupId>
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<artifactId>graphql-dgs</artifactId>
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<version>1.0</version>
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<name>graphql-dgs</name>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<relativePath>../..</relativePath>
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</parent>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>com.netflix.graphql.dgs</groupId>
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<artifactId>graphql-dgs-platform-dependencies</artifactId>
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<version>4.1.0</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter</artifactId>
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<version>2.6.2</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<version>2.6.2</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.netflix.graphql.dgs.codegen</groupId>
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<artifactId>graphql-dgs-codegen-client-core</artifactId>
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<version>5.1.14</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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<version>2.6.2</version>
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</dependency>
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<dependency>
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<groupId>com.netflix.graphql.dgs</groupId>
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<artifactId>graphql-dgs-spring-boot-starter</artifactId>
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<version>4.9.15</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<version>2.6.2</version>
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</plugin>
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<plugin>
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<groupId>io.github.deweyjose</groupId>
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<artifactId>graphqlcodegen-maven-plugin</artifactId>
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<version>1.14</version>
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<executions>
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<execution>
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<goals>
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<goal>generate</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<schemaPaths>
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<param>src/main/resources/schema/schema.graphqls</param>
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</schemaPaths>
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<packageName>com.bealdung.graphqldgs.generated</packageName>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.bealdung.graphqlDGS;
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public class Album {
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private final String title;
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private final String artist;
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private final Integer recordNo;
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public Album(String title, String artist, Integer recordNo) {
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this.title = title;
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this.recordNo = recordNo;
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this.artist = artist;
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}
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public String getTitle() {
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return title;
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}
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public String getArtist() {
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return artist;
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}
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public Integer getRecordNo() {
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return recordNo;
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}
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}
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@ -0,0 +1,28 @@
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package com.bealdung.graphqlDGS;
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import com.netflix.graphql.dgs.DgsComponent;
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import com.netflix.graphql.dgs.DgsQuery;
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import com.netflix.graphql.dgs.InputArgument;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.Collectors;
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@DgsComponent
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public class AlbumsDataFetcher {
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private final List<Album> albums = Arrays.asList(
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new Album("Rumours", "Fleetwood Mac", 20),
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new Album("What's Going On", "Marvin Gaye", 10),
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new Album("Pet Sounds", "The Beach Boys", 12)
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);
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@DgsQuery
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public List<Album> albums(@InputArgument String titleFilter) {
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if(titleFilter == null) {
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return albums;
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}
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return albums.stream()
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.filter(s -> s.getTitle().contains(titleFilter))
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.collect(Collectors.toList());
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}
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}
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@ -0,0 +1,13 @@
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package com.bealdung.graphqlDGS;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class Application {
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public static void main(String[] args) {
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SpringApplication.run(Application.class, args);
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}
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}
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@ -0,0 +1 @@
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server.servlet.context-path=
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@ -0,0 +1,9 @@
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type Query {
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albums(titleFilter: String): [Album]
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}
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type Album {
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title: String
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artist: String
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recordNo: Int
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}
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1
pom.xml
1
pom.xml
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@ -422,6 +422,7 @@
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<!-- <module>gradle-6</module> --> <!-- Not a maven project -->
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<!-- <module>grails</module> --> <!-- Not a maven project -->
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<module>graphql/graphql-java</module>
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<module>graphql/graphql-dgs</module>
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<module>grpc</module>
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<module>gson</module>
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<module>guava-modules</module>
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