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DATAGRAPH-450 Updated HelloWorld example code

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This commit is contained in:
Nicki Watt
2014-03-16 23:17:02 +00:00
committed by Michael Hunger
parent 532aeb3189
commit 0136f45837
15 changed files with 124 additions and 93 deletions
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114
README.textile
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@@ -125,18 +125,26 @@ h2. Spring configuration
* Configure Spring Data Neo4j for Neo4j in your application using the provided XML namespace:
<pre>
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:datagraph="http://www.springframework.org/schema/data/graph"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/data/graph http://www.springframework.org/schema/data/graph/datagraph-1.0.xsd
">
xmlns:context="http://www.springframework.org/schema/context"
xmlns:neo4j="http://www.springframework.org/schema/data/neo4j"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/data/neo4j http://www.springframework.org/schema/data/neo4j/spring-neo4j.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<context:spring-configured/>
<context:annotation-config/>
<datagraph:config storeDirectory="target/config-test"/>
<context:component-scan base-package="org.springframework.data.neo4j.examples.hellograph" />
<neo4j:config storeDirectory="target/neo4j-db-plain"
base-package="org.springframework.data.neo4j.examples.hellograph.domain"/>
<neo4j:repositories base-package="org.springframework.data.neo4j.examples.hellograph.repositories"/>
<tx:annotation-driven />
</beans>
</pre>
@@ -148,10 +156,12 @@ h2. Graph entities
@NodeEntity
public class World {
// Uses default schema based index
@Indexed
private String name;
@Indexed( indexName = "moons" )
// Uses legacy index mechanism
@Indexed(indexType = IndexType.SIMPLE)
private int moons;
@RelatedTo( type = "REACHABLE_BY_ROCKET", direction = Direction.BOTH, elementClass = World.class )
@@ -179,57 +189,65 @@ public class World {
h2. Transactional services
* Create a repository or service to perform typical operations on your entities. The FinderFactory and Finder helper classes make searching easy for common use cases. The complete functionality is covered in the "reference manual":http://static.springsource.org/spring-data/data-neo4j/docs/current/reference/html/#programming-model.
* Create a repository or service to perform typical operations on your entities. The complete functionality is covered in the "reference manual":http://static.springsource.org/spring-data/data-neo4j/docs/current/reference/html/#programming-model.
<pre>
public interface WorldRepository extends GraphRepository<World>, NamedIndexRepository<World> {}
public interface WorldRepository extends GraphRepository<World> {}
@Repository
public class WorldRepositoryImpl implements WorldRepositoryExtension {
@Service
@Transactional
public class GalaxyService {
@Autowired
private WorldRepository worldRepository;
@Autowired
private WorldRepository worldRepository;
@Transactional
public Collection<World> makeSomeWorlds() {
World earth = world( "Earth", 1 );
World mars = world( "Mars", 2 );
mars.addRocketRouteTo( earth );
public long getNumberOfWorlds() {
return worldRepository.count();
}
return Arrays.asList(
world( "Mercury", 0 ), world( "Venus", 0 ), earth, mars,
world( "Jupiter", 63 ), world( "Saturn", 62 ),
world( "Uranus", 27 ), world( "Neptune", 13 ));
}
public World createWorld(String name, int moons) {
return worldRepository.save(new World(name, moons));
}
private World world(String name, int moons) {
return new World(name, moons).persist();
}
public Iterable<World> getAllWorlds() {
return worldRepository.findAll();
}
public World findWorldIdentifiedBy( long id ) {
return worldRepository.findById( id );
}
public World findWorldById(Long id) {
return worldRepository.findOne(id);
}
public Iterable<World> findAllWorlds() {
return worldRepository.findAll();
}
// This is using the schema based index
public World findWorldByName(String name) {
return worldRepository.findBySchemaPropertyValue("name", name);
}
public long countWorlds() {
return worldRepository.count();
}
// This is using the legacy index
public Iterable<World> findAllByNumberOfMoons(int numberOfMoons) {
return worldRepository.findAllByPropertyValue("moons", numberOfMoons);
}
public World findWorldNamed( String name ) {
return worldRepository.findByPropertyValue( "name", name );
}
public Collection<World> makeSomeWorlds() {
Collection<World> worlds = new ArrayList<World>();
public World findWorldWithMoons( long moonCount ) {
return worldRepository.findByPropertyValue( "moons", "moons", moonCount );
}
// Solar worlds
worlds.add(createWorld("Mercury", 0));
worlds.add(createWorld("Venus", 0));
World earth = createWorld("Earth", 1);
World mars = createWorld("Mars", 2);
mars.addRocketRouteTo(earth);
worldRepository.save(mars);
worlds.add(earth);
worlds.add(mars);
// ... Create more worlds
return worlds;
}
public Iterable<World> findWorldsWithMoons( int moonCount ) {
return worldRepository.findAllByPropertyValue( "moons", "moons", moonCount );
}
}
</pre>

19
spring-data-neo4j-examples/hello-worlds-aspects/src/main/java/org/springframework/data/neo4j/examples/hellograph/GalaxyService.java
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@@ -1,13 +1,17 @@
package org.springframework.data.neo4j.examples.hellograph;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.neo4j.aspects.core.NodeBacked;
import org.springframework.data.neo4j.examples.hellograph.domain.World;
import org.springframework.data.neo4j.examples.hellograph.repositories.WorldRepository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.ArrayList;
import java.util.Collection;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.neo4j.aspects.core.NodeBacked;
import org.springframework.stereotype.Service;
@Service
@Transactional
public class GalaxyService {
@Autowired
@@ -18,8 +22,8 @@ public class GalaxyService {
}
public World createWorld(String name, int moons) {
// The lin below is just as valid within you code (it assumes)
// the aspectj compilcation has occured, however the cast to
// The line below is just as valid within you code (it assumes)
// the aspectj compilation has occurred, however the cast to
// the NodeBacked class is being used here as its helpful to
// IDE's which struggle with aspectj stuff
//
@@ -37,7 +41,8 @@ public class GalaxyService {
public World findWorldById(Long id) {
return worldRepository.findOne(id);
}
// This is using the schema based index
public World findWorldByName(String name) {
return worldRepository.findBySchemaPropertyValue("name", name);
}

5
spring-data-neo4j-examples/hello-worlds-aspects/src/main/java/org/springframework/data/neo4j/examples/hellograph/WorldRepository.java
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@@ -1,5 +0,0 @@
package org.springframework.data.neo4j.examples.hellograph;
import org.springframework.data.neo4j.repository.GraphRepository;
public interface WorldRepository extends GraphRepository<World> {}

12
spring-data-neo4j-examples/hello-worlds-aspects/src/main/java/org/springframework/data/neo4j/examples/hellograph/World.java → spring-data-neo4j-examples/hello-worlds-aspects/src/main/java/org/springframework/data/neo4j/examples/hellograph/domain/World.java
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@@ -1,11 +1,7 @@
package org.springframework.data.neo4j.examples.hellograph;
package org.springframework.data.neo4j.examples.hellograph.domain;
import org.neo4j.graphdb.Direction;
import org.springframework.data.neo4j.annotation.Fetch;
import org.springframework.data.neo4j.annotation.GraphId;
import org.springframework.data.neo4j.annotation.Indexed;
import org.springframework.data.neo4j.annotation.NodeEntity;
import org.springframework.data.neo4j.annotation.RelatedTo;
import org.springframework.data.neo4j.annotation.*;
import org.springframework.data.neo4j.support.index.IndexType;
import java.util.Set;
@@ -16,10 +12,12 @@ public class World {
@GraphId
private Long id;
// Uses default schema based index
@Indexed
private String name;
// Uses legacy index mechanism
@Indexed(indexType = IndexType.SIMPLE)
private int moons;

6
spring-data-neo4j-examples/hello-worlds-aspects/src/main/java/org/springframework/data/neo4j/examples/hellograph/repositories/WorldRepository.java Normal file
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@@ -0,0 +1,6 @@
package org.springframework.data.neo4j.examples.hellograph.repositories;
import org.springframework.data.neo4j.examples.hellograph.domain.World;
import org.springframework.data.neo4j.repository.GraphRepository;
public interface WorldRepository extends GraphRepository<World> {}

5
spring-data-neo4j-examples/hello-worlds-aspects/src/main/resources/spring/helloWorldContext.xml
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@@ -18,8 +18,9 @@
<context:annotation-config/>
<context:component-scan base-package="org.springframework.data.neo4j.examples.hellograph" />
<neo4j:config storeDirectory="target/neo4j-db-aspect" base-package="org.springframework.data.neo4j.examples.hellograph"/>
<neo4j:repositories base-package="org.springframework.data.neo4j.examples.hellograph"/>
<neo4j:config storeDirectory="target/neo4j-db-aspect"
base-package="org.springframework.data.neo4j.examples.hellograph.domain"/>
<neo4j:repositories base-package="org.springframework.data.neo4j.examples.hellograph.repositories"/>
<tx:annotation-driven mode="aspectj"/>
</beans>

1
spring-data-neo4j-examples/hello-worlds-aspects/src/test/java/org/springframework/data/neo4j/examples/hellograph/GalaxyServiceTest.java
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@@ -3,6 +3,7 @@ package org.springframework.data.neo4j.examples.hellograph;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.neo4j.examples.hellograph.domain.World;
import org.springframework.data.neo4j.support.Neo4jTemplate;
import org.springframework.data.neo4j.support.node.Neo4jHelper;
import org.springframework.test.annotation.Rollback;

13
spring-data-neo4j-examples/hello-worlds/src/main/java/org/springframework/data/neo4j/examples/hellograph/GalaxyService.java
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@@ -1,12 +1,16 @@
package org.springframework.data.neo4j.examples.hellograph;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.neo4j.examples.hellograph.domain.World;
import org.springframework.data.neo4j.examples.hellograph.repositories.WorldRepository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.ArrayList;
import java.util.Collection;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
@Transactional
public class GalaxyService {
@Autowired
@@ -27,7 +31,8 @@ public class GalaxyService {
public World findWorldById(Long id) {
return worldRepository.findOne(id);
}
// This is using the schema based index
public World findWorldByName(String name) {
return worldRepository.findBySchemaPropertyValue("name", name);
}

5
spring-data-neo4j-examples/hello-worlds/src/main/java/org/springframework/data/neo4j/examples/hellograph/WorldRepository.java
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@@ -1,5 +0,0 @@
package org.springframework.data.neo4j.examples.hellograph;
import org.springframework.data.neo4j.repository.GraphRepository;
public interface WorldRepository extends GraphRepository<World> {}

12
spring-data-neo4j-examples/hello-worlds/src/main/java/org/springframework/data/neo4j/examples/hellograph/World.java → spring-data-neo4j-examples/hello-worlds/src/main/java/org/springframework/data/neo4j/examples/hellograph/domain/World.java
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@@ -1,11 +1,7 @@
package org.springframework.data.neo4j.examples.hellograph;
package org.springframework.data.neo4j.examples.hellograph.domain;
import org.neo4j.graphdb.Direction;
import org.springframework.data.neo4j.annotation.Fetch;
import org.springframework.data.neo4j.annotation.GraphId;
import org.springframework.data.neo4j.annotation.Indexed;
import org.springframework.data.neo4j.annotation.NodeEntity;
import org.springframework.data.neo4j.annotation.RelatedTo;
import org.springframework.data.neo4j.annotation.*;
import org.springframework.data.neo4j.support.index.IndexType;
import java.util.Set;
@@ -16,10 +12,12 @@ public class World {
@GraphId
private Long id;
// Uses default schema based index
@Indexed
private String name;
// Uses legacy index mechanism
@Indexed(indexType = IndexType.SIMPLE)
private int moons;

6
spring-data-neo4j-examples/hello-worlds/src/main/java/org/springframework/data/neo4j/examples/hellograph/repositories/WorldRepository.java Normal file
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@@ -0,0 +1,6 @@
package org.springframework.data.neo4j.examples.hellograph.repositories;
import org.springframework.data.neo4j.examples.hellograph.domain.World;
import org.springframework.data.neo4j.repository.GraphRepository;
public interface WorldRepository extends GraphRepository<World> {}

5
spring-data-neo4j-examples/hello-worlds/src/main/resources/spring/helloWorldContext-subRef-TRS.xml
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@@ -23,8 +23,9 @@
<constructor-arg value="SubRef"/>
</bean>
<neo4j:config storeDirectory="target/neo4j-db-plain-subref" base-package="org.springframework.data.neo4j.examples.hellograph"/>
<neo4j:repositories base-package="org.springframework.data.neo4j.examples.hellograph"/>
<neo4j:config storeDirectory="target/neo4j-db-plain-subref"
base-package="org.springframework.data.neo4j.examples.hellograph.domain"/>
<neo4j:repositories base-package="org.springframework.data.neo4j.examples.hellograph.repositories"/>
</beans>

6
spring-data-neo4j-examples/hello-worlds/src/main/resources/spring/helloWorldContext.xml
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@@ -18,8 +18,10 @@
<context:annotation-config/>
<context:component-scan base-package="org.springframework.data.neo4j.examples.hellograph" />
<neo4j:config storeDirectory="target/neo4j-db-plain" base-package="org.springframework.data.neo4j.examples.hellograph"/>
<neo4j:repositories base-package="org.springframework.data.neo4j.examples.hellograph"/>
<neo4j:config storeDirectory="target/neo4j-db-plain"
base-package="org.springframework.data.neo4j.examples.hellograph.domain"/>
<neo4j:repositories base-package="org.springframework.data.neo4j.examples.hellograph.repositories"/>
<tx:annotation-driven />
</beans>

7
spring-data-neo4j-examples/hello-worlds/src/test/java/org/springframework/data/neo4j/examples/hellograph/GalaxyServiceTest.java
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@@ -3,13 +3,13 @@ package org.springframework.data.neo4j.examples.hellograph;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.neo4j.examples.hellograph.domain.World;
import org.springframework.data.neo4j.support.Neo4jTemplate;
import org.springframework.data.neo4j.support.node.Neo4jHelper;
import org.springframework.test.annotation.Rollback;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.transaction.BeforeTransaction;
import org.springframework.test.context.transaction.TransactionConfiguration;
import org.springframework.transaction.annotation.Transactional;
import java.util.Collection;
@@ -22,9 +22,8 @@ import static org.junit.Assert.*;
@ContextConfiguration(locations = "classpath:/spring/helloWorldContext.xml")
@RunWith(SpringJUnit4ClassRunner.class)
@Transactional
@TransactionConfiguration(defaultRollback = false)
public class GalaxyServiceTest {
@Autowired
private GalaxyService galaxyService;
@@ -59,7 +58,7 @@ public class GalaxyServiceTest {
galaxyService.makeSomeWorlds();
for(World world : galaxyService.getAllWorlds()) {
World foundWorld = galaxyService.findWorldById(world.getId());
World foundWorld = galaxyService.findWorldById(world.getId());
assertNotNull(foundWorld);
}
}

1
spring-data-neo4j-examples/hello-worlds/src/test/java/org/springframework/data/neo4j/examples/hellograph/SubRefBasedTRSGalaxyServiceTest.java
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@@ -3,6 +3,7 @@ package org.springframework.data.neo4j.examples.hellograph;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.neo4j.examples.hellograph.domain.World;
import org.springframework.data.neo4j.support.Neo4jTemplate;
import org.springframework.data.neo4j.support.node.Neo4jHelper;
import org.springframework.test.annotation.Rollback;