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[英]Spring-Data-Neo4J: How Spring-Data-Neo4j manage Neo4J versions
[英]How to enable neo4j webadmin when using spring-data-neo4j?
我正在使用REST示例從Accessing Neo4j Data引導一個新項目。 該示例使用嵌入式數據庫而不是獨立的neo4j服務器,但我想使用Neo4J webadmin接口來顯示我的數據。 如何從此配置啟動webadmin界面?
(他們使用WrappingNeoServerBootstrapper使用帶有spring-data-neo4j的WrappingNeoServerBootstrapper,但是答案中省略了很多知識,例如甚至沒有提到配置的位置。作為POM的新手,Spring Boot和Neo4j因此我可以不要使用那個答案。)
您正在使用的示例需要一些調整才能啟用Neo4j瀏覽器。 我從另一個例子開始, 使用Neo4j訪問數據示例,它運行良好。
您需要執行以下操作:
將spring boot pom上的版本更改為1.2.1。請:
<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.2.1.RELEASE</version> </parent>
為Neo4jServer添加依賴項:
<dependency> <groupId>org.neo4j.app</groupId> <artifactId>neo4j-server</artifactId> <version>2.1.5</version> </dependency> <dependency> <groupId>org.neo4j.app</groupId> <artifactId>neo4j-server</artifactId> <version>2.1.5</version> <classifier>static-web</classifier> </dependency>
在Application.class中實現Spring Boot命令行運行器:
public class Application extends Neo4jConfiguration implements CommandLineRunner{
在Application.class中自動引用GraphDatabaseService的引用:
@Autowired GraphDatabaseService db;
@Override Application.class中CommanLineRunner的run方法:
@Override public void run(String... strings) throws Exception { // used for Neo4j browser try { WrappingNeoServerBootstrapper neoServerBootstrapper; GraphDatabaseAPI api = (GraphDatabaseAPI) db; ServerConfigurator config = new ServerConfigurator(api); config.configuration() .addProperty(Configurator.WEBSERVER_ADDRESS_PROPERTY_KEY, "127.0.0.1"); config.configuration() .addProperty(Configurator.WEBSERVER_PORT_PROPERTY_KEY, "8686"); neoServerBootstrapper = new WrappingNeoServerBootstrapper(api, config); neoServerBootstrapper.start(); } catch(Exception e) { //handle appropriately } // end of Neo4j browser config }
完成所有操作后,Application.class應如下所示:
package hello;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.factory.GraphDatabaseFactory;
import org.neo4j.kernel.GraphDatabaseAPI;
import org.neo4j.server.WrappingNeoServerBootstrapper;
import org.neo4j.server.configuration.Configurator;
import org.neo4j.server.configuration.ServerConfigurator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.data.neo4j.config.EnableNeo4jRepositories;
import org.springframework.data.neo4j.config.Neo4jConfiguration;
import org.springframework.data.rest.webmvc.config.RepositoryRestMvcConfiguration;
@Configuration
@EnableNeo4jRepositories
@Import(RepositoryRestMvcConfiguration.class)
@EnableAutoConfiguration
public class Application extends Neo4jConfiguration implements CommandLineRunner{
public Application() {
setBasePackage("hello");
}
@Bean(destroyMethod = "shutdown")
public GraphDatabaseService graphDatabaseService() {
return new GraphDatabaseFactory().newEmbeddedDatabase("target/hello.db");
}
@Autowired
GraphDatabaseService db;
@Override
public void run(String... strings) throws Exception {
// used for Neo4j browser
try {
WrappingNeoServerBootstrapper neoServerBootstrapper;
GraphDatabaseAPI api = (GraphDatabaseAPI) db;
ServerConfigurator config = new ServerConfigurator(api);
config.configuration()
.addProperty(Configurator.WEBSERVER_ADDRESS_PROPERTY_KEY, "127.0. 0.1");
config.configuration()
.addProperty(Configurator.WEBSERVER_PORT_PROPERTY_KEY, "8686");
neoServerBootstrapper = new WrappingNeoServerBootstrapper(api, config);
neoServerBootstrapper.start();
} catch(Exception e) {
//handle appropriately
}
// end of Neo4j browser config
}
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
Neo4j瀏覽器將在run()
方法中配置的主機和端口上可用。
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