fixed unique constraints violations

Author: rashtao

pom.xml

@@ -13,12 +13,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.RELEASE</version>
+		<version>2.3.3.RELEASE</version>
 	</parent>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<java.version>1.8</java.version>
+		<java.version>11</java.version>
 	</properties>
 
 	<repositories>

src/main/java/com/arangodb/spring/demo/runner/CrudRunner.java

@@ -43,6 +43,8 @@
 @ComponentScan("com.arangodb.spring.demo")
 public class CrudRunner implements CommandLineRunner {
 
+	static final Collection<Character> characters = createCharacters();
+
 	@Autowired
 	private ArangoOperations operations;
 	@Autowired
@@ -57,7 +59,9 @@ public void run(final String... args) throws Exception {
 
 		// save a single entity in the database
 		// there is no need of creating the collection first. This happen automatically
-		final Character nedStark = new Character("Ned", "Stark", true, 41);
+		final Character nedStark = characters.stream()
+				.filter(it-> "Ned".equals(it.getName()) && "Stark".equals(it.getSurname()))
+				.findFirst().orElseThrow();
 		repository.save(nedStark);
 		// the generated id from the database is set in the original entity
 		System.out.println(String.format("Ned Stark saved in the database with id: '%s'", nedStark.getId()));
@@ -74,9 +78,8 @@ public void run(final String... args) throws Exception {
 		System.out.println(String.format("Ned Stark after 'alive' flag was updated: %s", deadNed));
 
 		// lets save some additional characters
-		final Collection<Character> createCharacters = createCharacters();
-		System.out.println(String.format("Save %s additional characters", createCharacters.size()));
-		repository.saveAll(createCharacters);
+		System.out.println(String.format("Save %s additional characters", characters.size()));
+		repository.saveAll(characters);
 
 		final Iterable<Character> all = repository.findAll();
 		final long count = StreamSupport.stream(Spliterators.spliteratorUnknownSize(all.iterator(), 0), false).count();
@@ -93,7 +96,7 @@ public void run(final String... args) throws Exception {
 	}
 
 	public static Collection<Character> createCharacters() {
-		return Arrays.asList(new Character("Ned", "Stark", false, 41), new Character("Robert", "Baratheon", false),
+		return Arrays.asList(new Character("Ned", "Stark", true, 41), new Character("Robert", "Baratheon", false),
 			new Character("Jaime", "Lannister", true, 36), new Character("Catelyn", "Stark", false, 40),
 			new Character("Cersei", "Lannister", true, 36), new Character("Daenerys", "Targaryen", true, 16),
 			new Character("Jorah", "Mormont", false), new Character("Petyr", "Baelish", false),

src/main/java/com/arangodb/spring/demo/runner/RelationsRunner.java

@@ -46,7 +46,7 @@ public class RelationsRunner implements CommandLineRunner {
 	@Override
 	public void run(final String... args) throws Exception {
 		System.out.println("# Relations");
-		characterRepo.saveAll(CrudRunner.createCharacters());
+		characterRepo.saveAll(CrudRunner.characters);
 
 		// first create some relations for the Starks and Lannisters
 		characterRepo.findByNameAndSurname("Ned", "Stark").ifPresent(ned -> {