Neo4j moved (#1152)

* Neo4j cleanup

* Neo4j cleanup

* Neo4j cleanup x2

spring-data-neo4j/src/main/java/com/baeldung/spring/data/neo4j/config/MovieDatabaseNeo4jConfiguration.java

@@ -4,15 +4,12 @@ import org.neo4j.ogm.session.SessionFactory;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.data.neo4j.config.Neo4jConfiguration;
 import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
-import org.springframework.scheduling.annotation.EnableScheduling;
-import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 @ComponentScan(basePackages = { "com.baeldung.spring.data.neo4j.services" })
 @Configuration
 @EnableNeo4jRepositories(basePackages = "com.baeldung.spring.data.neo4j.repostory")
-public class MovieDatabaseNeo4jConfiguration extends Neo4jConfiguration {
+public class MovieDatabaseNeo4jConfiguration {
 
     public static final String URL = System.getenv("NEO4J_URL") != null ? System.getenv("NEO4J_URL") : "http://neo4j:movies@localhost:7474";
 
@@ -23,7 +20,7 @@ public class MovieDatabaseNeo4jConfiguration extends Neo4jConfiguration {
         return config;
     }
 
-    @Override
+    @Bean
     public SessionFactory getSessionFactory() {
         return new SessionFactory(getConfiguration(), "com.baeldung.spring.data.neo4j.domain");
     }

spring-data-neo4j/src/main/java/com/baeldung/spring/data/neo4j/config/MovieDatabaseNeo4jTestConfiguration.java

@@ -5,9 +5,7 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Profile;
-import org.springframework.data.neo4j.config.Neo4jConfiguration;
 import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
-import org.springframework.data.neo4j.server.Neo4jServer;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 @EnableTransactionManagement
@@ -15,7 +13,7 @@ import org.springframework.transaction.annotation.EnableTransactionManagement;
 @Configuration
 @EnableNeo4jRepositories(basePackages = "com.baeldung.spring.data.neo4j.repostory")
 @Profile({ "embedded", "test" })
-public class MovieDatabaseNeo4jTestConfiguration extends Neo4jConfiguration {
+public class MovieDatabaseNeo4jTestConfiguration {
 
     @Bean
     public org.neo4j.ogm.config.Configuration getConfiguration() {
@@ -24,7 +22,7 @@ public class MovieDatabaseNeo4jTestConfiguration extends Neo4jConfiguration {
         return config;
     }
 
-    @Override
+    @Bean
     public SessionFactory getSessionFactory() {
         return new SessionFactory(getConfiguration(), "com.baeldung.spring.data.neo4j.domain");
     }

spring-data-neo4j/src/main/java/com/baeldung/spring/data/neo4j/domain/Car.java

@@ -0,0 +1,47 @@
+package com.baeldung.spring.data.neo4j.domain;
+
+import org.neo4j.ogm.annotation.GraphId;
+import org.neo4j.ogm.annotation.NodeEntity;
+import org.neo4j.ogm.annotation.Relationship;
+
+@NodeEntity
+public class Car {
+    @GraphId
+    private Long id;
+
+    private String make;
+
+    @Relationship(direction = "INCOMING")
+    private Company company;
+
+    public Car(String make, String model) {
+        this.make = make;
+        this.model = model;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getMake() {
+        return make;
+    }
+
+    public void setMake(String make) {
+        this.make = make;
+    }
+
+    public String getModel() {
+        return model;
+    }
+
+    public void setModel(String model) {
+        this.model = model;
+    }
+
+    private String model;
+}

spring-data-neo4j/src/main/java/com/baeldung/spring/data/neo4j/domain/Company.java

@@ -0,0 +1,42 @@
+package com.baeldung.spring.data.neo4j.domain;
+
+import org.neo4j.ogm.annotation.NodeEntity;
+import org.neo4j.ogm.annotation.Relationship;
+
+@NodeEntity
+public class Company {
+    private Long id;
+
+    private String name;
+
+    @Relationship(type="owns")
+    private Car car;
+
+    public Company(String name) {
+        this.name = name;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Car getCar() {
+        return car;
+    }
+
+    public void setCar(Car car) {
+        this.car = car;
+    }
+}

spring-data-neo4j/src/test/java/com/baeldung/neo4j/Neo4JServerTest.java

@@ -0,0 +1,60 @@
+package com.baeldung.neo4j;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.neo4j.driver.v1.AuthTokens;
+import org.neo4j.driver.v1.Driver;
+import org.neo4j.driver.v1.GraphDatabase;
+import org.neo4j.driver.v1.Session;
+import org.neo4j.driver.v1.StatementResult;
+
+@Ignore
+public class Neo4JServerTest {
+
+    @Test
+    public void standAloneDriver() {
+        Driver driver = GraphDatabase.driver("bolt://localhost:7687", AuthTokens.basic("neo4j", "12345"));
+        Session session = driver.session();
+
+        session.run("CREATE (baeldung:Company {name:\"Baeldung\"}) " +
+                "-[:owns]-> (tesla:Car {make: 'tesla', model: 'modelX'})" +
+                "RETURN baeldung, tesla");
+
+        StatementResult result = session.run("MATCH (company:Company)-[:owns]-> (car:Car)" +
+                "WHERE car.make='tesla' and car.model='modelX'" +
+                "RETURN company.name");
+
+        Assert.assertTrue(result.hasNext());
+        Assert.assertEquals(result.next().get("company.name").asString(), "Baeldung");
+
+        session.close();
+        driver.close();
+    }
+    
+    @Test
+    public void standAloneJdbc() throws Exception {
+        Connection con = DriverManager.getConnection("jdbc:neo4j:bolt://localhost/?user=neo4j,password=12345,scheme=basic");
+
+        // Querying
+        try (Statement stmt = con.createStatement()) {
+            stmt.execute("CREATE (baeldung:Company {name:\"Baeldung\"}) " +
+                    "-[:owns]-> (tesla:Car {make: 'tesla', model: 'modelX'})" +
+                    "RETURN baeldung, tesla");
+
+            ResultSet rs = stmt.executeQuery("MATCH (company:Company)-[:owns]-> (car:Car)" +
+                    "WHERE car.make='tesla' and car.model='modelX'" +
+                    "RETURN company.name");
+
+            while (rs.next()) {
+                Assert.assertEquals(rs.getString("company.name"), "Baeldung");
+            }
+        }
+        con.close();
+    }
+}

spring-data-neo4j/src/test/java/com/baeldung/neo4j/Neo4jOgmTest.java

@@ -0,0 +1,49 @@
+package com.baeldung.neo4j;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.neo4j.ogm.config.Configuration;
+import org.neo4j.ogm.model.Result;
+import org.neo4j.ogm.session.Session;
+import org.neo4j.ogm.session.SessionFactory;
+
+import com.baeldung.spring.data.neo4j.domain.Car;
+import com.baeldung.spring.data.neo4j.domain.Company;
+import org.neo4j.ogm.transaction.Transaction;
+
+public class Neo4jOgmTest {
+
+    @Test
+    public void testOgm() {
+        Configuration conf = new Configuration();
+        conf.driverConfiguration().setDriverClassName("org.neo4j.ogm.drivers.embedded.driver.EmbeddedDriver");
+
+        SessionFactory factory = new SessionFactory(conf, "com.baeldung.spring.data.neo4j.domain");
+        Session session = factory.openSession();
+
+        Car tesla = new Car("tesla", "modelS");
+        Company baeldung = new Company("baeldung");
+
+        baeldung.setCar(tesla);
+
+        session.save(baeldung);
+
+        Assert.assertEquals(1, session.countEntitiesOfType(Company.class));
+
+        Map<String, String> params = new HashMap<>();
+        params.put("make", "tesla");
+        Result result = session.query("MATCH (car:Car) <-[:owns]- (company:Company)" +
+                " WHERE car.make=$make" +
+                " RETURN company", params);
+
+        Map<String, Object> firstResult = result.iterator().next();
+
+        Assert.assertEquals(firstResult.size(), 1);
+
+        Company actual = (Company) firstResult.get("company");
+        Assert.assertEquals(actual.getName(), baeldung.getName());
+    }
+}

spring-data-neo4j/src/test/java/com/baeldung/neo4j/Neo4jTest.java

@@ -0,0 +1,167 @@
+package com.baeldung.neo4j;
+
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.neo4j.graphdb.GraphDatabaseService;
+import org.neo4j.graphdb.Label;
+import org.neo4j.graphdb.Node;
+import org.neo4j.graphdb.NotFoundException;
+import org.neo4j.graphdb.RelationshipType;
+import org.neo4j.graphdb.Result;
+import org.neo4j.graphdb.factory.GraphDatabaseFactory;
+
+public class Neo4jTest {
+
+    private static GraphDatabaseService graphDb;
+
+    @Before
+    public void setUp() {
+        GraphDatabaseFactory graphDbFactory = new GraphDatabaseFactory();
+        graphDb = graphDbFactory.newEmbeddedDatabase(new File("data/cars"));
+    }
+
+    @After
+    public void tearDown() {
+        graphDb.shutdown();
+    }
+
+    @Test
+    public void testPersonCar() {
+        graphDb.beginTx();
+        Node car = graphDb.createNode(Label.label("Car"));
+        car.setProperty("make", "tesla");
+        car.setProperty("model", "model3");
+
+        Node owner = graphDb.createNode(Label.label("Person"));
+        owner.setProperty("firstName", "baeldung");
+        owner.setProperty("lastName", "baeldung");
+
+        owner.createRelationshipTo(car, RelationshipType.withName("owner"));
+
+        Result result = graphDb.execute("MATCH (c:Car) <-[owner]- (p:Person) " +
+                "WHERE c.make = 'tesla'" +
+                "RETURN p.firstName, p.lastName");
+
+        Map<String, Object> firstResult = result.next();
+        Assert.assertEquals("baeldung", firstResult.get("p.firstName"));
+    }
+
+    @Test
+    public void testCreateNode() {
+
+        graphDb.beginTx();
+
+        Result result = graphDb.execute("CREATE (baeldung:Company {name:\"Baeldung\"})" +
+                "RETURN baeldung");
+
+        Map<String, Object> firstResult = result.next();
+        Node firstNode = (Node) firstResult.get("baeldung");
+        Assert.assertEquals(firstNode.getProperty("name"), "Baeldung");
+    }
+
+    @Test
+    public void testCreateNodeAndLink() {
+        graphDb.beginTx();
+
+        Result result = graphDb.execute("CREATE (baeldung:Company {name:\"Baeldung\"}) " +
+                "-[:owns]-> (tesla:Car {make: 'tesla', model: 'modelX'})" +
+                "RETURN baeldung, tesla");
+
+        Map<String, Object> firstResult = result.next();
+        Assert.assertTrue(firstResult.containsKey("baeldung"));
+        Assert.assertTrue(firstResult.containsKey("tesla"));
+    }
+
+    @Test
+    public void testFindAndReturn() {
+        graphDb.beginTx();
+
+        graphDb.execute("CREATE (baeldung:Company {name:\"Baeldung\"}) " +
+                "-[:owns]-> (tesla:Car {make: 'tesla', model: 'modelX'})" +
+                "RETURN baeldung, tesla");
+
+        Result result = graphDb.execute("MATCH (company:Company)-[:owns]-> (car:Car)" +
+                "WHERE car.make='tesla' and car.model='modelX'" +
+                "RETURN company.name");
+
+        Map<String, Object> firstResult = result.next();
+        Assert.assertEquals(firstResult.get("company.name"), "Baeldung");
+    }
+
+    @Test
+    public void testUpdate() {
+        graphDb.beginTx();
+
+        graphDb.execute("CREATE (baeldung:Company {name:\"Baeldung\"}) " +
+                "-[:owns]-> (tesla:Car {make: 'tesla', model: 'modelX'})" +
+                "RETURN baeldung, tesla");
+
+        Result result = graphDb.execute("MATCH (car:Car)" +
+                "WHERE car.make='tesla'" +
+                " SET car.milage=120" +
+                " SET car :Car:Electro" +
+                " SET car.model=NULL" +
+                " RETURN car");
+
+        Map<String, Object> firstResult = result.next();
+        Node car = (Node) firstResult.get("car");
+
+        Assert.assertEquals(car.getProperty("milage"), 120L);
+        Assert.assertEquals(car.getLabels(), Arrays.asList(Label.label("Car"), Label.label("Electro")));
+
+        try {
+            car.getProperty("model");
+            Assert.fail();
+        } catch (NotFoundException e) {
+            // expected
+        }
+    }
+
+    @Test
+    public void testDelete() {
+        graphDb.beginTx();
+
+        graphDb.execute("CREATE (baeldung:Company {name:\"Baeldung\"}) " +
+                "-[:owns]-> (tesla:Car {make: 'tesla', model: 'modelX'})" +
+                "RETURN baeldung, tesla");
+
+        graphDb.execute("MATCH (company:Company)" +
+                " WHERE company.name='Baeldung'" +
+                " DELETE company");
+
+        Result result = graphDb.execute("MATCH (company:Company)" +
+                " WHERE company.name='Baeldung'" +
+                " RETURN company");
+
+        Assert.assertFalse(result.hasNext());
+    }
+
+    @Test
+    public void testBindings() {
+        graphDb.beginTx();
+
+        Map<String, Object> params = new HashMap<>();
+        params.put("name", "baeldung");
+        params.put("make", "tesla");
+        params.put("model", "modelS");
+
+        Result result = graphDb.execute("CREATE (baeldung:Company {name:$name}) " +
+                "-[:owns]-> (tesla:Car {make: $make, model: $model})" +
+                "RETURN baeldung, tesla", params);
+
+        Map<String, Object> firstResult = result.next();
+        Assert.assertTrue(firstResult.containsKey("baeldung"));
+        Assert.assertTrue(firstResult.containsKey("tesla"));
+
+        Node car = (Node) firstResult.get("tesla");
+        Assert.assertEquals(car.getProperty("model"), "modelS");
+    }
+}

spring-data-neo4j/src/test/resources/logback.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+
+    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d %5p %40.40c:%4L - %m%n</pattern>
+        </encoder>
+    </appender>
+
+    <logger name="org.neo4j.ogm" level="info"/>
+
+    <root level="warn">
+        <appender-ref ref="console"/>
+    </root>
+
+</configuration>