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f8b5b46
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beikov Dec 14, 2020
b3e9cf1
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beikov Dec 20, 2020
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12 changes: 12 additions & 0 deletions examples/microprofile-graphql/README.md
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Blaze-Persistence Examples Spring Data GraphQL
==========
This is an GraphQL sample application showcasing how the Blaze-Persistence GraphQL
integration can be used to develop GraphQL interfaces with ease.

## How to use it?

Just run `mvn spring-boot:run` and navigate to http://localhost:8080/graphiql where you can run your GraphQL queries.
You will see that the queries exposed there use the GraphQL Relay spec to implement pagination through cursors.
You can take a look at the generated queries to further understand what happens or you take a look into the [documentation](https://persistence.blazebit.com/documentation/core/manual/en_US/index.html#anchor-keyset-pagination) for more information on the topic.

Another thing that you will see from the generated queries is that the GraphQL selection list actually alters what is selected in the SQL query!
182 changes: 182 additions & 0 deletions examples/microprofile-graphql/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright 2014 - 2020 Blazebit.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.blazebit</groupId>
<artifactId>blaze-persistence-examples</artifactId>
<version>1.6.0-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>

<artifactId>blaze-persistence-examples-microprofile-graphql</artifactId>
<packaging>jar</packaging>

<name>Blazebit Persistence Examples MicroProfile GraphQL</name>

<properties>
<module.name>com.blazebit.persistence.examples.microprofile.graphql</module.name>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>

<version.quarkus>1.10.3.Final</version.quarkus>
<version.hibernate-orm>5.4.22.Final</version.hibernate-orm>
</properties>

<dependencyManagement>
<dependencies>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-bom</artifactId>
<version>${version.quarkus}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>

<dependencies>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-smallrye-graphql</artifactId>
</dependency>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-resteasy-jackson</artifactId>
</dependency>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-arc</artifactId>
</dependency>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-resteasy</artifactId>
</dependency>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-hibernate-orm</artifactId>
</dependency>
<dependency>
<groupId>com.blazebit</groupId>
<artifactId>blaze-persistence-integration-quarkus</artifactId>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-java</artifactId>
<version>16.1</version>
</dependency>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>blaze-persistence-integration-hibernate-base</artifactId>
</dependency>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>blaze-persistence-integration-hibernate-5.3</artifactId>
</dependency>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>blaze-persistence-integration-graphql</artifactId>
</dependency>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>blaze-persistence-integration-jaxrs</artifactId>
</dependency>

<!-- Test dependencies -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-jdbc-h2</artifactId>
</dependency>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-test-h2</artifactId>
</dependency>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-junit5</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.rest-assured</groupId>
<artifactId>rest-assured</artifactId>
<scope>test</scope>
</dependency>

<!-- Preparation for Java 9+, include a dependency on the JAXB APIs -->
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>${version.jaxb}</version>
</dependency>
<dependency>
<groupId>com.sun.xml.bind</groupId>
<artifactId>jaxb-core</artifactId>
<version>${version.jaxb}</version>
</dependency>
<dependency>
<groupId>com.sun.xml.bind</groupId>
<artifactId>jaxb-impl</artifactId>
<version>${version.jaxb}</version>
</dependency>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>javax.annotation-api</artifactId>
<version>${version.annotation}</version>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-maven-plugin</artifactId>
<version>${version.quarkus}</version>
<extensions>true</extensions>
<executions>
<execution>
<goals>
<goal>build</goal>
<goal>generate-code</goal>
<goal>generate-code-tests</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<systemProperties>
<java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
<!-- Required for JDK 16 -->
<net.bytebuddy.experimental>true</net.bytebuddy.experimental>
</systemProperties>
<systemPropertyVariables>
<quarkus.test.profile>h2</quarkus.test.profile>
</systemPropertyVariables>
</configuration>
</plugin>
</plugins>
</build>

</project>
56 changes: 56 additions & 0 deletions ...hql/src/main/java/com/blazebit/persistence/examples/microprofile/graphql/Application.java
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/*
* Copyright 2014 - 2020 Blazebit.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package com.blazebit.persistence.examples.microprofile.graphql;

import com.blazebit.persistence.examples.microprofile.graphql.model.Cat;
import com.blazebit.persistence.examples.microprofile.graphql.model.Person;
import io.quarkus.runtime.StartupEvent;

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Observes;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.transaction.Transactional;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ThreadLocalRandom;

/**
* @author Christian Beikov
* @since 1.4.0
*/
@ApplicationScoped
public class Application {

@Inject
EntityManager em;

@Transactional
void onStart(@Observes StartupEvent ev) {
ThreadLocalRandom random = ThreadLocalRandom.current();
List<Person> people = new ArrayList<>();
for (int i = 0; i < 4; i++) {
Person p = new Person("Person " + i);
people.add(p);
em.persist(p);
}
for (int i = 0; i < 100; i++) {
Cat c = new Cat("Cat " + i, random.nextInt(20), people.get(random.nextInt(4)));
em.persist(c);
}
}
}
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