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Merge pull request #9 from piomin/new-graphql
adding new module showing Spring for GraphQL
2 parents 85838b1 + 22261c4 commit 367d1c6

25 files changed

+838
-1
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‎pom.xml

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<modules>
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<module>sample-app-netflix-dgs</module>
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<module>sample-app-kickstart</module>
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</modules>
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<module>sample-app-spring-graphql</module>
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</modules>
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<properties>
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<java.version>11</java.version>

‎sample-app-spring-graphql/pom.xml

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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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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.7.7</version>
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<relativePath/>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>sample-app-spring-graphql</artifactId>
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<properties>
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<java.version>11</java.version>
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</properties>
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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-web</artifactId>
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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-graphql</artifactId>
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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-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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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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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.graphql</groupId>
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<artifactId>spring-graphql-test</artifactId>
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<scope>test</scope>
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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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</plugin>
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<plugin>
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<groupId>org.jacoco</groupId>
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<artifactId>jacoco-maven-plugin</artifactId>
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<version>0.8.8</version>
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<executions>
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<execution>
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<goals>
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<goal>prepare-agent</goal>
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</goals>
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</execution>
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<execution>
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<id>report</id>
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<phase>test</phase>
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<goals>
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<goal>report</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/SampleSpringBootGraphQL.java

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package pl.piomin.sample.spring.graphql;
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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 SampleSpringBootGraphQL {
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public static void main(String[] args) {
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SpringApplication.run(SampleSpringBootGraphQL.class, args);
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}
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/domain/Department.java

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package pl.piomin.sample.spring.graphql.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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import lombok.NoArgsConstructor;
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import javax.persistence.*;
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import java.util.Set;
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@Entity
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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@EqualsAndHashCode(onlyExplicitlyIncluded = true)
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public class Department {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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@EqualsAndHashCode.Include
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private Integer id;
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private String name;
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@OneToMany(mappedBy = "department")
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private Set<Employee> employees;
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@ManyToOne(fetch = FetchType.LAZY)
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private Organization organization;
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/domain/DepartmentInput.java

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package pl.piomin.sample.spring.graphql.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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public class DepartmentInput {
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private String name;
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private Integer organizationId;
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/domain/Employee.java

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package pl.piomin.sample.spring.graphql.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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import lombok.NoArgsConstructor;
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import javax.persistence.*;
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@Entity
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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@EqualsAndHashCode(onlyExplicitlyIncluded = true)
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public class Employee {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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@EqualsAndHashCode.Include
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private Integer id;
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private String firstName;
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private String lastName;
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private String position;
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private int salary;
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private int age;
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@ManyToOne(fetch = FetchType.LAZY)
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private Department department;
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@ManyToOne(fetch = FetchType.LAZY)
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private Organization organization;
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/domain/EmployeeInput.java

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package pl.piomin.sample.spring.graphql.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class EmployeeInput {
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private String firstName;
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private String lastName;
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private String position;
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private int salary;
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private int age;
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private Integer departmentId;
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private Integer organizationId;
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/domain/Organization.java

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package pl.piomin.sample.spring.graphql.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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import lombok.NoArgsConstructor;
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import javax.persistence.*;
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import java.util.Set;
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@Entity
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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@EqualsAndHashCode(onlyExplicitlyIncluded = true)
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public class Organization {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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@EqualsAndHashCode.Include
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private Integer id;
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private String name;
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@OneToMany(mappedBy = "organization")
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private Set<Department> departments;
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@OneToMany(mappedBy = "organization")
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private Set<Employee> employees;
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/domain/OrganizationInput.java

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package pl.piomin.sample.spring.graphql.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class OrganizationInput {
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private String name;
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/filter/EmployeeFilter.java

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package pl.piomin.sample.spring.graphql.filter;
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import lombok.Data;
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@Data
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public class EmployeeFilter {
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private FilterField salary;
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private FilterField age;
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private FilterField position;
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/filter/FilterField.java

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package pl.piomin.sample.spring.graphql.filter;
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import lombok.Data;
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import javax.persistence.criteria.CriteriaBuilder;
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import javax.persistence.criteria.Path;
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import javax.persistence.criteria.Predicate;
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@Data
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public class FilterField {
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private String operator;
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private String value;
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public Predicate generateCriteria(CriteriaBuilder builder, Path field) {
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try {
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int v = Integer.parseInt(value);
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switch (operator) {
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case "lt": return builder.lt(field, v);
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case "le": return builder.le(field, v);
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case "gt": return builder.gt(field, v);
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case "ge": return builder.ge(field, v);
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case "eq": return builder.equal(field, v);
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}
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} catch (NumberFormatException e) {
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switch (operator) {
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case "endsWith": return builder.like(field, "%" + value);
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case "startsWith": return builder.like(field, value + "%");
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case "contains": return builder.like(field, "%" + value + "%");
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case "eq": return builder.equal(field, value);
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}
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}
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return null;
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}
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/repository/DepartmentRepository.java

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package pl.piomin.sample.spring.graphql.repository;
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import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
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import org.springframework.data.repository.CrudRepository;
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import pl.piomin.sample.spring.graphql.domain.Department;
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public interface DepartmentRepository extends CrudRepository<Department, Integer>,
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JpaSpecificationExecutor<Department> {
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/repository/EmployeeRepository.java

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package pl.piomin.sample.spring.graphql.repository;
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import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
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import org.springframework.data.repository.CrudRepository;
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import pl.piomin.sample.spring.graphql.domain.Employee;
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public interface EmployeeRepository extends CrudRepository<Employee, Integer>,
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JpaSpecificationExecutor<Employee> {
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}

‎sample-app-spring-graphql/src/main/java/pl/piomin/sample/spring/graphql/repository/OrganizationRepository.java

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package pl.piomin.sample.spring.graphql.repository;
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import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
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import org.springframework.data.repository.CrudRepository;
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import pl.piomin.sample.spring.graphql.domain.Department;
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import pl.piomin.sample.spring.graphql.domain.Organization;
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public interface OrganizationRepository extends CrudRepository<Organization, Integer>,
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JpaSpecificationExecutor<Organization> {
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}

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