spring boot + neo4j restful

整整折腾了三天，终于把spring boot + neo4j的路走通了。

这里介绍3个部分，pom，entity，repository

1）pom

<?xml version="1.0" encoding="UTF-8"?>
<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>

    <groupId>com.company.project</groupId>
    <artifactId>knowledge</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>Maven Webapp</name>    

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.3.0.RELEASE</version>
    </parent>

    <properties>
        <java.version>1.7</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-rest</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-neo4j</artifactId>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.1.41</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
　　　                    <mainClass>com.bonc.knowledge.Startup</mainClass>
　　                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

2）entity

import java.util.HashSet;
import java.util.Set;

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.support.index.IndexType;

@NodeEntity
public class WordEntity {
    @GraphId Long id;    

//    @Indexed(unique = true,indexType = IndexType.FULLTEXT, indexName = "wordName")
    private String name;

    private String domain;

    private String dict;

    private String pos;

    @RelatedTo(type = "labeled")
    Set<LabelEntity> labels = new HashSet<LabelEntity>();

    public WordEntity(){

    }

    public WordEntity(String name){
        this.name = name;
    }   

    public Long getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPos() {
        return pos;
    }

    public void setPos(String pos) {
        this.pos = pos;
    }

    public Set<LabelEntity> getLabels() {
        return labels;
    }

    public void setLabels(Set<LabelEntity> labels) {
        this.labels = labels;
    }

    public String getDict() {
        return dict;
    }

    public void setDict(String dict) {
        this.dict = dict;
    }

    public String getDomain() {
        return domain;
    }

    public void setDomain(String domain) {
        this.domain = domain;
    }

    @Override
    public String toString() {
        return "WordEntity [id=" + id + ", name=" + name + "]";
    }    

}

3）repository

import java.util.List;

//import org.springframework.data.neo4j.annotation.Query;
//import org.springframework.data.neo4j.repository.GraphRepository;
//import org.springframework.data.repository.CrudRepository;
import org.springframework.data.repository.PagingAndSortingRepository;
import org.springframework.data.repository.query.Param;
import org.springframework.data.rest.core.annotation.RepositoryRestResource;
//import org.springframework.stereotype.Repository;
import org.springframework.stereotype.Repository;

import com.bonc.knowledge.model.WordEntity;

@RepositoryRestResource(collectionResourceRel = "word", path = "word")
@Repository
public interface WordRepository extends PagingAndSortingRepository<WordEntity, Long> {

    List<WordEntity> findByName(@Param("name") String name);    

}