Chroma 向量数据库

<dependency>
    <groupId>org.springframework.ai</groupId>
    <artifactId>spring-ai-chroma-vectordb</artifactId>
    <version>${spring-ai.version}</version>
</dependency>

# Chroma 向量数据库配置
spring.ai.chroma.vectordb.enabled=true
spring.ai.chroma.vectordb.host=localhost
spring.ai.chroma.vectordb.port=8000
spring.ai.chroma.vectordb.collection-name=vectors

@Service
public class ChromaVectorService {
    private final ChromaVectorClient vectorClient;

    public ChromaVectorService(ChromaVectorClient vectorClient) {
        this.vectorClient = vectorClient;
    }

    public void storeVector(String id, float[] vector, Map<String, Object> metadata) {
        vectorClient.store(id, vector, metadata);
    }

    public List<SearchResult> searchSimilar(float[] queryVector, int k) {
        return vectorClient.search(queryVector, k);
    }
}

@Configuration
public class ChromaVectorStorageConfig {
    @Bean
    public VectorStorage chromaVectorStorage(ChromaVectorProperties properties) {
        return new ChromaVectorStorage(properties);
    }
}

@Configuration
public class ChromaSimilaritySearchConfig {
    @Bean
    public SimilaritySearch chromaSimilaritySearch(ChromaVectorProperties properties) {
        return new ChromaSimilaritySearch(properties);
    }
}

@Service
public class MetadataFilterService {
    private final ChromaVectorClient vectorClient;

    public List<SearchResult> searchWithFilter(float[] queryVector, Map<String, Object> filter, int k) {
        return vectorClient.searchWithFilter(queryVector, filter, k);
    }
}

@Configuration
public class CollectionConfig {
    @Bean
    public CollectionConfig collectionConfig() {
        return CollectionConfig.builder()
            .name("custom-collection")
            .dimension(1536)
            .metric(MetricType.COSINE)
            .build();
    }
}

@Configuration
public class PersistenceConfig {
    @Bean
    public PersistenceConfig persistenceConfig() {
        return PersistenceConfig.builder()
            .directory("/path/to/persist")
            .build();
    }
}

management.endpoints.web.exposure.include=chroma-vectordb
management.endpoint.chroma-vectordb.enabled=true