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feat(knowledge-graph): 实现知识图谱基础设施搭建
实现功能: - Neo4j Docker Compose 配置(社区版,端口 7474/7687,数据持久化) - Makefile 新增 Neo4j 命令(neo4j-up/down/logs/shell) - knowledge-graph-service Spring Boot 服务(完整的 DDD 分层架构) - kg_extraction Python 模块(基于 LangChain LLMGraphTransformer) 技术实现: - Neo4j 配置:环境变量化密码,统一默认值 datamate123 - Java 服务: - Domain: GraphEntity, GraphRelation 实体模型 - Repository: Spring Data Neo4j,支持 graphId 范围查询 - Service: 业务逻辑,graphId 双重校验,查询限流 - Controller: REST API,UUID 格式校验 - Exception: 实现 ErrorCode 接口,统一异常体系 - Python 模块: - KnowledgeGraphExtractor 类 - 支持异步/同步/批量抽取 - 支持 schema-guided 模式 - 兼容 OpenAI 及自部署模型 关键设计: - graphId 权限边界:所有实体操作都在正确的 graphId 范围内 - 查询限流:depth 和 limit 参数受配置约束 - 异常处理:统一使用 BusinessException + ErrorCode - 凭据管理:环境变量化,避免硬编码 - 双重防御:Controller 格式校验 + Service 业务校验 代码审查: - 经过 3 轮 Codex 审查和 2 轮 Claude 修复 - 所有 P0 和 P1 问题已解决 - 编译通过,无阻塞性问题 文件变更: - 新增:Neo4j 配置、knowledge-graph-service(11 个 Java 文件)、kg_extraction(3 个 Python 文件) - 修改:Makefile、pom.xml、application.yml、pyproject.toml
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109
backend/services/knowledge-graph-service/pom.xml
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109
backend/services/knowledge-graph-service/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
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http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.datamate</groupId>
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<artifactId>services</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<artifactId>knowledge-graph-service</artifactId>
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<name>Knowledge Graph Service</name>
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<description>知识图谱服务 - 基于Neo4j的实体关系管理与图谱查询</description>
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<dependencies>
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<dependency>
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<groupId>com.datamate</groupId>
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<artifactId>domain-common</artifactId>
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<version>${project.version}</version>
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</dependency>
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<!-- Spring Data Neo4j -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-neo4j</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-redis</artifactId>
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</dependency>
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<dependency>
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<groupId>com.mysql</groupId>
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<artifactId>mysql-connector-j</artifactId>
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<version>${mysql.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springdoc</groupId>
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<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
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</dependency>
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<dependency>
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<groupId>org.openapitools</groupId>
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<artifactId>jackson-databind-nullable</artifactId>
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</dependency>
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<dependency>
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<groupId>jakarta.validation</groupId>
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<artifactId>jakarta.validation-api</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<configuration>
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<arguments>true</arguments>
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<classifier>exec</classifier>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.11.0</version>
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<configuration>
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<source>${maven.compiler.source}</source>
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<target>${maven.compiler.target}</target>
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<annotationProcessorPaths>
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<path>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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</path>
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<path>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok-mapstruct-binding</artifactId>
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<version>${lombok-mapstruct-binding.version}</version>
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</path>
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<path>
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<groupId>org.mapstruct</groupId>
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<artifactId>mapstruct-processor</artifactId>
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<version>${mapstruct.version}</version>
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</path>
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</annotationProcessorPaths>
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<compilerArgs>
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<arg>-parameters</arg>
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<arg>-Amapstruct.defaultComponentModel=spring</arg>
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</compilerArgs>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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