feat(knowledge): 实现向量库策略模式支持多向量库

- 新增向量库策略接口及抽象基类
- 实现Weaviate向量库策略- 实现Milvus向量库策略(占位实现)
- 添加向量库策略工厂类动态选择实现
- 修改向量存储服务使用策略模式
- 更新知识信息service调用参数顺序
- 添加文档分段和知识片段ID生成注释
- 修改dev环境数据库配置为github版本
This commit is contained in:
Yzm
2025-09-25 18:44:19 +08:00
parent a61bd57e22
commit aa1c771e72
8 changed files with 754 additions and 229 deletions

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@@ -15,7 +15,7 @@ public interface VectorStoreService {
List<String> getQueryVector(QueryVectorBo queryVectorBo);
void createSchema(String kid,String modelName);
void createSchema(String vectorModelName, String kid,String modelName);
void removeById(String id,String modelName);

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@@ -1,40 +1,19 @@
package org.ruoyi.service.impl;
import cn.hutool.json.JSONObject;
import com.google.protobuf.ServiceException;
import dev.langchain4j.data.embedding.Embedding;
import dev.langchain4j.data.segment.TextSegment;
import dev.langchain4j.model.embedding.EmbeddingModel;
import dev.langchain4j.model.ollama.OllamaEmbeddingModel;
import dev.langchain4j.model.openai.OpenAiEmbeddingModel;
import dev.langchain4j.store.embedding.EmbeddingMatch;
import dev.langchain4j.store.embedding.EmbeddingSearchRequest;
import dev.langchain4j.store.embedding.EmbeddingStore;
import dev.langchain4j.store.embedding.weaviate.WeaviateEmbeddingStore;
import io.weaviate.client.Config;
import io.weaviate.client.WeaviateClient;
import io.weaviate.client.base.Result;
import io.weaviate.client.v1.batch.api.ObjectsBatchDeleter;
import io.weaviate.client.v1.batch.model.BatchDeleteResponse;
import io.weaviate.client.v1.filters.Operator;
import io.weaviate.client.v1.filters.WhereFilter;
import io.weaviate.client.v1.graphql.model.GraphQLResponse;
import io.weaviate.client.v1.schema.model.Property;
import io.weaviate.client.v1.schema.model.Schema;
import io.weaviate.client.v1.schema.model.WeaviateClass;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.ruoyi.common.core.service.ConfigService;
import org.ruoyi.domain.bo.QueryVectorBo;
import org.ruoyi.domain.bo.StoreEmbeddingBo;
import org.ruoyi.service.VectorStoreService;
import org.ruoyi.service.strategy.VectorStoreStrategy;
import org.ruoyi.service.strategy.VectorStoreStrategyFactory;
import org.springframework.stereotype.Service;
import java.util.*;
import java.util.stream.Collectors;
import java.util.List;
/**
* 向量库管理
* 向量库管理服务实现 - 使用策略模式
*
* @author ageer
*/
@@ -44,230 +23,61 @@ import java.util.stream.Collectors;
public class VectorStoreServiceImpl implements VectorStoreService {
private final ConfigService configService;
private final VectorStoreStrategyFactory strategyFactory;
// private EmbeddingStore<TextSegment> embeddingStore;
private WeaviateClient client;
/**
* 获取当前配置的向量库策略
*/
private VectorStoreStrategy getCurrentStrategy() {
String vectorStoreType = configService.getConfigValue("vector", "type");
if (vectorStoreType == null || vectorStoreType.trim().isEmpty()) {
vectorStoreType = "weaviate"; // 默认使用weaviate
}
return strategyFactory.getStrategy(vectorStoreType);
}
@Override
public void createSchema(String kid, String modelName) {
String protocol = configService.getConfigValue("weaviate", "protocol");
String host = configService.getConfigValue("weaviate", "host");
String className = configService.getConfigValue("weaviate", "classname")+kid;
// 创建 Weaviate 客户端
client= new WeaviateClient(new Config(protocol, host));
// 检查类是否存在,如果不存在就创建 schema
Result<Schema> schemaResult = client.schema().getter().run();
Schema schema = schemaResult.getResult();
boolean classExists = false;
for (WeaviateClass weaviateClass : schema.getClasses()) {
if (weaviateClass.getClassName().equals(className)) {
classExists = true;
break;
}
}
if (!classExists) {
// 类不存在,创建 schema
WeaviateClass build = WeaviateClass.builder()
.className(className)
.vectorizer("none")
.properties(
List.of(Property.builder().name("text").dataType(Collections.singletonList("text")).build(),
Property.builder().name("fid").dataType(Collections.singletonList("text")).build(),
Property.builder().name("kid").dataType(Collections.singletonList("text")).build(),
Property.builder().name("docId").dataType(Collections.singletonList("text")).build())
)
.build();
Result<Boolean> createResult = client.schema().classCreator().withClass(build).run();
if (createResult.hasErrors()) {
log.error("Schema 创建失败: {}", createResult.getError());
} else {
log.info("Schema 创建成功: {}", className);
}
}
// embeddingStore = WeaviateEmbeddingStore.builder()
// .scheme(protocol)
// .host(host)
// .objectClass(className)
// .scheme(protocol)
// .avoidDups(true)
// .consistencyLevel("ALL")
// .build();
public void createSchema(String vectorModelName, String kid, String modelName) {
log.info("创建向量库schema: vectorModelName={}, kid={}, modelName={}", vectorModelName, kid, modelName);
VectorStoreStrategy strategy = getCurrentStrategy();
strategy.createSchema(vectorModelName, kid, modelName);
}
@Override
public void storeEmbeddings(StoreEmbeddingBo storeEmbeddingBo) {
createSchema(storeEmbeddingBo.getKid(), storeEmbeddingBo.getVectorModelName());
EmbeddingModel embeddingModel = getEmbeddingModel(storeEmbeddingBo.getEmbeddingModelName(),
storeEmbeddingBo.getApiKey(), storeEmbeddingBo.getBaseUrl());
List<String> chunkList = storeEmbeddingBo.getChunkList();
List<String> fidList = storeEmbeddingBo.getFids();
String kid = storeEmbeddingBo.getKid();
String docId = storeEmbeddingBo.getDocId();
log.info("向量存储条数记录: " + chunkList.size());
long startTime = System.currentTimeMillis();
for (int i = 0; i < chunkList.size(); i++) {
String text = chunkList.get(i);
String fid = fidList.get(i);
Embedding embedding = embeddingModel.embed(text).content();
Map<String, Object> properties = Map.of(
"text", text,
"fid",fid,
"kid", kid,
"docId", docId
);
Float[] vector = toObjectArray(embedding.vector());
client.data().creator()
.withClassName("LocalKnowledge" + kid) // 注意替换成实际类名
.withProperties(properties)
.withVector(vector)
.run();
}
long endTime = System.currentTimeMillis();
log.info("向量存储完成消耗时间:"+ (endTime-startTime)/1000+"");
log.info("存储向量数据: kid={}, docId={}, 数据条数={}",
storeEmbeddingBo.getKid(), storeEmbeddingBo.getDocId(), storeEmbeddingBo.getChunkList().size());
VectorStoreStrategy strategy = getCurrentStrategy();
strategy.storeEmbeddings(storeEmbeddingBo);
}
private static Float[] toObjectArray(float[] primitive) {
Float[] result = new Float[primitive.length];
for (int i = 0; i < primitive.length; i++) {
result[i] = primitive[i]; // 自动装箱
}
return result;
}
@Override
public List<String> getQueryVector(QueryVectorBo queryVectorBo) {
createSchema(queryVectorBo.getKid(), queryVectorBo.getVectorModelName());
EmbeddingModel embeddingModel = getEmbeddingModel(queryVectorBo.getEmbeddingModelName(),
queryVectorBo.getApiKey(), queryVectorBo.getBaseUrl());
Embedding queryEmbedding = embeddingModel.embed(queryVectorBo.getQuery()).content();
float[] vector = queryEmbedding.vector();
List<String> vectorStrings = new ArrayList<>();
for (float v : vector) {
vectorStrings.add(String.valueOf(v));
}
String vectorStr = String.join(",", vectorStrings);
String className = configService.getConfigValue("weaviate", "classname") ;
// 构建 GraphQL 查询
String graphQLQuery = String.format(
"{\n" +
" Get {\n" +
" %s(nearVector: {vector: [%s]} limit: %d) {\n" +
" text\n" +
" fid\n" +
" kid\n" +
" docId\n" +
" _additional {\n" +
" distance\n" +
" id\n" +
" }\n" +
" }\n" +
" }\n" +
"}",
className+ queryVectorBo.getKid(),
vectorStr,
queryVectorBo.getMaxResults()
);
Result<GraphQLResponse> result = client.graphQL().raw().withQuery(graphQLQuery).run();
List<String> resultList = new ArrayList<>();
if (result != null && !result.hasErrors()) {
Object data = result.getResult().getData();
JSONObject entries = new JSONObject(data);
Map<String, cn.hutool.json.JSONArray> entriesMap = entries.get("Get", Map.class);
cn.hutool.json.JSONArray objects = entriesMap.get(className + queryVectorBo.getKid());
if(objects.isEmpty()){
return resultList;
}
for (Object object : objects) {
Map<String, String> map = (Map<String, String>) object;
String content = map.get("text");
resultList.add( content);
}
return resultList;
} else {
log.error("GraphQL 查询失败: {}", result.getError());
return resultList;
}
log.info("查询向量数据: kid={}, query={}, maxResults={}",
queryVectorBo.getKid(), queryVectorBo.getQuery(), queryVectorBo.getMaxResults());
VectorStoreStrategy strategy = getCurrentStrategy();
return strategy.getQueryVector(queryVectorBo);
}
@Override
@SneakyThrows
public void removeById(String id, String modelName) {
String protocol = configService.getConfigValue("weaviate", "protocol");
String host = configService.getConfigValue("weaviate", "host");
String className = configService.getConfigValue("weaviate", "classname");
String finalClassName = className + id;
WeaviateClient client = new WeaviateClient(new Config(protocol, host));
Result<Boolean> result = client.schema().classDeleter().withClassName(finalClassName).run();
if (result.hasErrors()) {
log.error("失败删除向量: " + result.getError());
throw new ServiceException("失败删除向量数据!");
} else {
log.info("成功删除向量数据: " + result.getResult());
}
log.info("根据ID删除向量数据: id={}, modelName={}", id, modelName);
VectorStoreStrategy strategy = getCurrentStrategy();
strategy.removeById(id, modelName);
}
@Override
public void removeByDocId(String docId, String kid) {
String className = configService.getConfigValue("weaviate", "classname") + kid;
// 构建 Where 条件
WhereFilter whereFilter = WhereFilter.builder()
.path("docId")
.operator(Operator.Equal)
.valueText(docId)
.build();
ObjectsBatchDeleter deleter = client.batch().objectsBatchDeleter();
Result<BatchDeleteResponse> result = deleter.withClassName(className)
.withWhere(whereFilter)
.run();
if (result != null && !result.hasErrors()) {
log.info("成功删除 docId={} 的所有向量数据", docId);
} else {
log.error("删除失败: {}", result.getError());
}
log.info("根据docId删除向量数据: docId={}, kid={}", docId, kid);
VectorStoreStrategy strategy = getCurrentStrategy();
strategy.removeByDocId(docId, kid);
}
@Override
public void removeByFid(String fid, String kid) {
String className = configService.getConfigValue("weaviate", "classname") + kid;
// 构建 Where 条件
WhereFilter whereFilter = WhereFilter.builder()
.path("fid")
.operator(Operator.Equal)
.valueText(fid)
.build();
ObjectsBatchDeleter deleter = client.batch().objectsBatchDeleter();
Result<BatchDeleteResponse> result = deleter.withClassName(className)
.withWhere(whereFilter)
.run();
if (result != null && !result.hasErrors()) {
log.info("成功删除 fid={} 的所有向量数据", fid);
} else {
log.error("删除失败: {}", result.getError());
}
log.info("根据fid删除向量数据: fid={}, kid={}", fid, kid);
VectorStoreStrategy strategy = getCurrentStrategy();
strategy.removeByFid(fid, kid);
}
/**
* 获取向量模型
*/
@SneakyThrows
public EmbeddingModel getEmbeddingModel(String modelName, String apiKey, String baseUrl) {
EmbeddingModel embeddingModel;
if ("quentinz/bge-large-zh-v1.5".equals(modelName)) {
embeddingModel = OllamaEmbeddingModel.builder()
.baseUrl(baseUrl)
.modelName(modelName)
.build();
} else if ("baai/bge-m3".equals(modelName)) {
embeddingModel = OpenAiEmbeddingModel.builder()
.apiKey(apiKey)
.baseUrl(baseUrl)
.modelName(modelName)
.build();
} else {
throw new ServiceException("未找到对应向量化模型!");
}
return embeddingModel;
}
}

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@@ -0,0 +1,62 @@
package org.ruoyi.service.strategy;
import com.google.protobuf.ServiceException;
import dev.langchain4j.model.embedding.EmbeddingModel;
import dev.langchain4j.model.ollama.OllamaEmbeddingModel;
import dev.langchain4j.model.openai.OpenAiEmbeddingModel;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.ruoyi.common.core.service.ConfigService;
/**
* 向量库策略抽象基类
* 提供公共的方法实现如embedding模型获取等
*
* @author ageer
*/
@Slf4j
@RequiredArgsConstructor
public abstract class AbstractVectorStoreStrategy implements VectorStoreStrategy {
protected final ConfigService configService;
/**
* 获取向量模型
*/
@SneakyThrows
protected EmbeddingModel getEmbeddingModel(String modelName, String apiKey, String baseUrl) {
EmbeddingModel embeddingModel;
if ("quentinz/bge-large-zh-v1.5".equals(modelName)) {
embeddingModel = OllamaEmbeddingModel.builder()
.baseUrl(baseUrl)
.modelName(modelName)
.build();
} else if ("baai/bge-m3".equals(modelName)) {
embeddingModel = OpenAiEmbeddingModel.builder()
.apiKey(apiKey)
.baseUrl(baseUrl)
.modelName(modelName)
.build();
} else {
throw new ServiceException("未找到对应向量化模型!");
}
return embeddingModel;
}
/**
* 将float数组转换为Float对象数组
*/
protected static Float[] toObjectArray(float[] primitive) {
Float[] result = new Float[primitive.length];
for (int i = 0; i < primitive.length; i++) {
result[i] = primitive[i]; // 自动装箱
}
return result;
}
/**
* 获取向量库类型标识
*/
public abstract String getVectorStoreType();
}

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@@ -0,0 +1,18 @@
package org.ruoyi.service.strategy;
import org.ruoyi.service.VectorStoreService;
/**
* 向量库策略接口
* 继承VectorStoreService以避免重复定义相同的方法
*
* @author ageer
*/
public interface VectorStoreStrategy extends VectorStoreService {
/**
* 获取向量库类型标识
* @return 向量库类型weaviate, milvus
*/
String getVectorStoreType();
}

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@@ -0,0 +1,88 @@
package org.ruoyi.service.strategy;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.ruoyi.common.core.service.ConfigService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* 向量库策略工厂
* 根据配置动态选择向量库实现
*
* @author ageer
*/
@Slf4j
@Component
@RequiredArgsConstructor
public class VectorStoreStrategyFactory implements ApplicationContextAware {
private final ConfigService configService;
private final Map<String, VectorStoreStrategy> strategyMap = new ConcurrentHashMap<>();
private ApplicationContext applicationContext;
@Override
public void setApplicationContext(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
initStrategies();
}
/**
* 初始化所有策略实现
*/
private void initStrategies() {
Map<String, VectorStoreStrategy> strategies = applicationContext.getBeansOfType(VectorStoreStrategy.class);
for (VectorStoreStrategy strategy : strategies.values()) {
if (strategy instanceof AbstractVectorStoreStrategy) {
AbstractVectorStoreStrategy abstractStrategy = (AbstractVectorStoreStrategy) strategy;
strategyMap.put(abstractStrategy.getVectorStoreType(), strategy);
log.info("注册向量库策略: {}", abstractStrategy.getVectorStoreType());
}
}
}
/**
* 获取当前配置的向量库策略
*/
public VectorStoreStrategy getStrategy() {
String vectorStoreType = configService.getConfigValue("vector", "store_type");
if (vectorStoreType == null || vectorStoreType.isEmpty()) {
vectorStoreType = "weaviate"; // 默认使用weaviate
}
VectorStoreStrategy strategy = strategyMap.get(vectorStoreType);
if (strategy == null) {
log.warn("未找到向量库策略: {}, 使用默认策略: weaviate", vectorStoreType);
strategy = strategyMap.get("weaviate");
}
if (strategy == null) {
throw new RuntimeException("未找到可用的向量库策略实现");
}
return strategy;
}
/**
* 根据类型获取特定的向量库策略
*/
public VectorStoreStrategy getStrategy(String vectorStoreType) {
VectorStoreStrategy strategy = strategyMap.get(vectorStoreType);
if (strategy == null) {
throw new RuntimeException("未找到向量库策略: " + vectorStoreType);
}
return strategy;
}
/**
* 获取所有可用的向量库类型
*/
public String[] getAvailableTypes() {
return strategyMap.keySet().toArray(new String[0]);
}
}

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@@ -0,0 +1,312 @@
package org.ruoyi.service.strategy.impl;
import com.google.protobuf.ServiceException;
import dev.langchain4j.data.embedding.Embedding;
import dev.langchain4j.model.embedding.EmbeddingModel;
import lombok.extern.slf4j.Slf4j;
import org.ruoyi.common.core.service.ConfigService;
import org.ruoyi.domain.bo.QueryVectorBo;
import org.ruoyi.domain.bo.StoreEmbeddingBo;
import org.ruoyi.service.strategy.AbstractVectorStoreStrategy;
import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Milvus向量库策略实现
*
* @author ageer
*/
@Slf4j
@Component
public class MilvusVectorStoreStrategy extends AbstractVectorStoreStrategy {
// Milvus客户端和相关配置
// private MilvusClient milvusClient;
public MilvusVectorStoreStrategy(ConfigService configService) {
super(configService);
}
@Override
public String getVectorStoreType() {
return "milvus";
}
@Override
public void createSchema(String vectorModelName, String kid, String modelName) {
log.info("Milvus创建schema: vectorModelName={}, kid={}, modelName={}", vectorModelName, kid, modelName);
// 1. 获取Milvus配置
String host = configService.getConfigValue("milvus", "host");
String port = configService.getConfigValue("milvus", "port");
String collectionName = configService.getConfigValue("milvus", "collectionname") + kid;
// 2. 初始化Milvus客户端
// ConnectParam connectParam = ConnectParam.newBuilder()
// .withHost(host)
// .withPort(Integer.parseInt(port))
// .build();
// milvusClient = new MilvusClient(connectParam);
// 3. 检查集合是否存在,如果不存在则创建
// HasCollectionParam hasCollectionParam = HasCollectionParam.newBuilder()
// .withCollectionName(collectionName)
// .build();
// R<Boolean> hasCollectionResponse = milvusClient.hasCollection(hasCollectionParam);
//
// if (!hasCollectionResponse.getData()) {
// // 创建集合
// List<FieldType> fieldsSchema = new ArrayList<>();
//
// // 主键字段
// fieldsSchema.add(FieldType.newBuilder()
// .withName("id")
// .withDataType(DataType.Int64)
// .withPrimaryKey(true)
// .withAutoID(true)
// .build());
//
// // 文本字段
// fieldsSchema.add(FieldType.newBuilder()
// .withName("text")
// .withDataType(DataType.VarChar)
// .withMaxLength(65535)
// .build());
//
// // fid字段
// fieldsSchema.add(FieldType.newBuilder()
// .withName("fid")
// .withDataType(DataType.VarChar)
// .withMaxLength(255)
// .build());
//
// // kid字段
// fieldsSchema.add(FieldType.newBuilder()
// .withName("kid")
// .withDataType(DataType.VarChar)
// .withMaxLength(255)
// .build());
//
// // docId字段
// fieldsSchema.add(FieldType.newBuilder()
// .withName("docId")
// .withDataType(DataType.VarChar)
// .withMaxLength(255)
// .build());
//
// // 向量字段
// fieldsSchema.add(FieldType.newBuilder()
// .withName("vector")
// .withDataType(DataType.FloatVector)
// .withDimension(1536) // 根据实际embedding维度调整
// .build());
//
// CreateCollectionParam createCollectionParam = CreateCollectionParam.newBuilder()
// .withCollectionName(collectionName)
// .withDescription("Knowledge base collection for " + kid)
// .withShardsNum(2)
// .withFieldTypes(fieldsSchema)
// .build();
//
// R<RpcStatus> createCollectionResponse = milvusClient.createCollection(createCollectionParam);
// if (createCollectionResponse.getStatus() == R.Status.Success.getCode()) {
// log.info("Milvus集合创建成功: {}", collectionName);
//
// // 创建索引
// IndexParam indexParam = IndexParam.newBuilder()
// .withCollectionName(collectionName)
// .withFieldName("vector")
// .withIndexType(IndexType.IVF_FLAT)
// .withMetricType(MetricType.L2)
// .withExtraParam("{\"nlist\":1024}")
// .build();
//
// R<RpcStatus> createIndexResponse = milvusClient.createIndex(indexParam);
// if (createIndexResponse.getStatus() == R.Status.Success.getCode()) {
// log.info("Milvus索引创建成功: {}", collectionName);
// } else {
// log.error("Milvus索引创建失败: {}", createIndexResponse.getMessage());
// }
// } else {
// log.error("Milvus集合创建失败: {}", createCollectionResponse.getMessage());
// }
// }
log.info("Milvus schema创建完成: {}", collectionName);
}
@Override
public void storeEmbeddings(StoreEmbeddingBo storeEmbeddingBo) {
createSchema(storeEmbeddingBo.getVectorModelName(), storeEmbeddingBo.getKid(), storeEmbeddingBo.getVectorModelName());
EmbeddingModel embeddingModel = getEmbeddingModel(storeEmbeddingBo.getEmbeddingModelName(),
storeEmbeddingBo.getApiKey(), storeEmbeddingBo.getBaseUrl());
List<String> chunkList = storeEmbeddingBo.getChunkList();
List<String> fidList = storeEmbeddingBo.getFids();
String kid = storeEmbeddingBo.getKid();
String docId = storeEmbeddingBo.getDocId();
String collectionName = configService.getConfigValue("milvus", "collectionname") + kid;
log.info("Milvus向量存储条数记录: " + chunkList.size());
long startTime = System.currentTimeMillis();
// List<InsertParam.Field> fields = new ArrayList<>();
// List<String> textList = new ArrayList<>();
// List<String> fidListData = new ArrayList<>();
// List<String> kidList = new ArrayList<>();
// List<String> docIdList = new ArrayList<>();
// List<List<Float>> vectorList = new ArrayList<>();
for (int i = 0; i < chunkList.size(); i++) {
String text = chunkList.get(i);
String fid = fidList.get(i);
Embedding embedding = embeddingModel.embed(text).content();
// textList.add(text);
// fidListData.add(fid);
// kidList.add(kid);
// docIdList.add(docId);
//
// List<Float> vector = new ArrayList<>();
// for (float f : embedding.vector()) {
// vector.add(f);
// }
// vectorList.add(vector);
}
// fields.add(new InsertParam.Field("text", textList));
// fields.add(new InsertParam.Field("fid", fidListData));
// fields.add(new InsertParam.Field("kid", kidList));
// fields.add(new InsertParam.Field("docId", docIdList));
// fields.add(new InsertParam.Field("vector", vectorList));
//
// InsertParam insertParam = InsertParam.newBuilder()
// .withCollectionName(collectionName)
// .withFields(fields)
// .build();
//
// R<MutationResult> insertResponse = milvusClient.insert(insertParam);
// if (insertResponse.getStatus() == R.Status.Success.getCode()) {
// log.info("Milvus向量存储成功插入条数: {}", insertResponse.getData().getInsertCnt());
// } else {
// log.error("Milvus向量存储失败: {}", insertResponse.getMessage());
// throw new ServiceException("Milvus向量存储失败: " + insertResponse.getMessage());
// }
long endTime = System.currentTimeMillis();
log.info("Milvus向量存储完成消耗时间" + (endTime - startTime) / 1000 + "");
}
@Override
public List<String> getQueryVector(QueryVectorBo queryVectorBo) {
createSchema(queryVectorBo.getVectorModelName(), queryVectorBo.getKid(), queryVectorBo.getVectorModelName());
EmbeddingModel embeddingModel = getEmbeddingModel(queryVectorBo.getEmbeddingModelName(),
queryVectorBo.getApiKey(), queryVectorBo.getBaseUrl());
Embedding queryEmbedding = embeddingModel.embed(queryVectorBo.getQuery()).content();
String collectionName = configService.getConfigValue("milvus", "collectionname") + queryVectorBo.getKid();
List<String> resultList = new ArrayList<>();
// List<String> searchOutputFields = List.of("text", "fid", "kid", "docId");
// List<List<Float>> searchVectors = new ArrayList<>();
// List<Float> queryVector = new ArrayList<>();
// for (float f : queryEmbedding.vector()) {
// queryVector.add(f);
// }
// searchVectors.add(queryVector);
//
// SearchParam searchParam = SearchParam.newBuilder()
// .withCollectionName(collectionName)
// .withMetricType(MetricType.L2)
// .withOutFields(searchOutputFields)
// .withTopK(queryVectorBo.getMaxResults())
// .withVectors(searchVectors)
// .withVectorFieldName("vector")
// .withParams("{\"nprobe\":10}")
// .build();
//
// R<SearchResults> searchResponse = milvusClient.search(searchParam);
// if (searchResponse.getStatus() == R.Status.Success.getCode()) {
// SearchResults searchResults = searchResponse.getData();
// List<SearchResults.QueryResult> queryResults = searchResults.getResults();
//
// for (SearchResults.QueryResult queryResult : queryResults) {
// List<SearchResults.QueryResult.Row> rows = queryResult.getRows();
// for (SearchResults.QueryResult.Row row : rows) {
// String text = (String) row.get("text");
// resultList.add(text);
// }
// }
// } else {
// log.error("Milvus查询失败: {}", searchResponse.getMessage());
// }
return resultList;
}
@Override
public void removeById(String id, String modelName) {
String collectionName = configService.getConfigValue("milvus", "collectionname") + id;
// DropCollectionParam dropCollectionParam = DropCollectionParam.newBuilder()
// .withCollectionName(collectionName)
// .build();
//
// R<RpcStatus> dropResponse = milvusClient.dropCollection(dropCollectionParam);
// if (dropResponse.getStatus() == R.Status.Success.getCode()) {
// log.info("Milvus集合删除成功: {}", collectionName);
// } else {
// log.error("Milvus集合删除失败: {}", dropResponse.getMessage());
// throw new ServiceException("Milvus集合删除失败: " + dropResponse.getMessage());
// }
log.info("Milvus删除集合: {}", collectionName);
}
@Override
public void removeByDocId(String docId, String kid) {
String collectionName = configService.getConfigValue("milvus", "collectionname") + kid;
// String expr = "docId == \"" + docId + "\"";
// DeleteParam deleteParam = DeleteParam.newBuilder()
// .withCollectionName(collectionName)
// .withExpr(expr)
// .build();
//
// R<MutationResult> deleteResponse = milvusClient.delete(deleteParam);
// if (deleteResponse.getStatus() == R.Status.Success.getCode()) {
// log.info("Milvus成功删除 docId={} 的所有向量数据,删除条数: {}", docId, deleteResponse.getData().getDeleteCnt());
// } else {
// log.error("Milvus删除失败: {}", deleteResponse.getMessage());
// }
log.info("Milvus删除docId={}的数据", docId);
}
@Override
public void removeByFid(String fid, String kid) {
String collectionName = configService.getConfigValue("milvus", "collectionname") + kid;
// String expr = "fid == \"" + fid + "\"";
// DeleteParam deleteParam = DeleteParam.newBuilder()
// .withCollectionName(collectionName)
// .withExpr(expr)
// .build();
//
// R<MutationResult> deleteResponse = milvusClient.delete(deleteParam);
// if (deleteResponse.getStatus() == R.Status.Success.getCode()) {
// log.info("Milvus成功删除 fid={} 的所有向量数据,删除条数: {}", fid, deleteResponse.getData().getDeleteCnt());
// } else {
// log.error("Milvus删除失败: {}", deleteResponse.getMessage());
// }
log.info("Milvus删除fid={}的数据", fid);
}
}

View File

@@ -0,0 +1,233 @@
package org.ruoyi.service.strategy.impl;
import cn.hutool.json.JSONObject;
import com.google.protobuf.ServiceException;
import dev.langchain4j.data.embedding.Embedding;
import dev.langchain4j.model.embedding.EmbeddingModel;
import io.weaviate.client.Config;
import io.weaviate.client.WeaviateClient;
import io.weaviate.client.base.Result;
import io.weaviate.client.v1.batch.api.ObjectsBatchDeleter;
import io.weaviate.client.v1.batch.model.BatchDeleteResponse;
import io.weaviate.client.v1.filters.Operator;
import io.weaviate.client.v1.filters.WhereFilter;
import io.weaviate.client.v1.graphql.model.GraphQLResponse;
import io.weaviate.client.v1.schema.model.Property;
import io.weaviate.client.v1.schema.model.Schema;
import io.weaviate.client.v1.schema.model.WeaviateClass;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.ruoyi.common.core.service.ConfigService;
import org.ruoyi.domain.bo.QueryVectorBo;
import org.ruoyi.domain.bo.StoreEmbeddingBo;
import org.ruoyi.service.strategy.AbstractVectorStoreStrategy;
import org.springframework.stereotype.Component;
import java.util.*;
/**
* Weaviate向量库策略实现
*
* @author ageer
*/
@Slf4j
@Component
public class WeaviateVectorStoreStrategy extends AbstractVectorStoreStrategy {
private WeaviateClient client;
public WeaviateVectorStoreStrategy(ConfigService configService) {
super(configService);
}
@Override
public String getVectorStoreType() {
return "weaviate";
}
@Override
public void createSchema(String vectorModelName, String kid, String modelName) {
String protocol = configService.getConfigValue("weaviate", "protocol");
String host = configService.getConfigValue("weaviate", "host");
String className = configService.getConfigValue("weaviate", "classname") + kid;
// 创建 Weaviate 客户端
client = new WeaviateClient(new Config(protocol, host));
// 检查类是否存在,如果不存在就创建 schema
Result<Schema> schemaResult = client.schema().getter().run();
Schema schema = schemaResult.getResult();
boolean classExists = false;
for (WeaviateClass weaviateClass : schema.getClasses()) {
if (weaviateClass.getClassName().equals(className)) {
classExists = true;
break;
}
}
if (!classExists) {
// 类不存在,创建 schema
WeaviateClass build = WeaviateClass.builder()
.className(className)
.vectorizer("none")
.properties(
List.of(Property.builder().name("text").dataType(Collections.singletonList("text")).build(),
Property.builder().name("fid").dataType(Collections.singletonList("text")).build(),
Property.builder().name("kid").dataType(Collections.singletonList("text")).build(),
Property.builder().name("docId").dataType(Collections.singletonList("text")).build())
)
.build();
Result<Boolean> createResult = client.schema().classCreator().withClass(build).run();
if (createResult.hasErrors()) {
log.error("Schema 创建失败: {}", createResult.getError());
} else {
log.info("Schema 创建成功: {}", className);
}
}
}
@Override
public void storeEmbeddings(StoreEmbeddingBo storeEmbeddingBo) {
createSchema(storeEmbeddingBo.getVectorModelName(), storeEmbeddingBo.getKid(), storeEmbeddingBo.getVectorModelName());
EmbeddingModel embeddingModel = getEmbeddingModel(storeEmbeddingBo.getEmbeddingModelName(),
storeEmbeddingBo.getApiKey(), storeEmbeddingBo.getBaseUrl());
List<String> chunkList = storeEmbeddingBo.getChunkList();
List<String> fidList = storeEmbeddingBo.getFids();
String kid = storeEmbeddingBo.getKid();
String docId = storeEmbeddingBo.getDocId();
log.info("向量存储条数记录: " + chunkList.size());
long startTime = System.currentTimeMillis();
for (int i = 0; i < chunkList.size(); i++) {
String text = chunkList.get(i);
String fid = fidList.get(i);
Embedding embedding = embeddingModel.embed(text).content();
Map<String, Object> properties = Map.of(
"text", text,
"fid", fid,
"kid", kid,
"docId", docId
);
Float[] vector = toObjectArray(embedding.vector());
client.data().creator()
.withClassName("LocalKnowledge" + kid)
.withProperties(properties)
.withVector(vector)
.run();
}
long endTime = System.currentTimeMillis();
log.info("向量存储完成消耗时间:" + (endTime - startTime) / 1000 + "");
}
@Override
public List<String> getQueryVector(QueryVectorBo queryVectorBo) {
createSchema(queryVectorBo.getVectorModelName(), queryVectorBo.getKid(), queryVectorBo.getVectorModelName());
EmbeddingModel embeddingModel = getEmbeddingModel(queryVectorBo.getEmbeddingModelName(),
queryVectorBo.getApiKey(), queryVectorBo.getBaseUrl());
Embedding queryEmbedding = embeddingModel.embed(queryVectorBo.getQuery()).content();
float[] vector = queryEmbedding.vector();
List<String> vectorStrings = new ArrayList<>();
for (float v : vector) {
vectorStrings.add(String.valueOf(v));
}
String vectorStr = String.join(",", vectorStrings);
String className = configService.getConfigValue("weaviate", "classname");
// 构建 GraphQL 查询
String graphQLQuery = String.format(
"{\n" +
" Get {\n" +
" %s(nearVector: {vector: [%s]} limit: %d) {\n" +
" text\n" +
" fid\n" +
" kid\n" +
" docId\n" +
" _additional {\n" +
" distance\n" +
" id\n" +
" }\n" +
" }\n" +
" }\n" +
"}",
className + queryVectorBo.getKid(),
vectorStr,
queryVectorBo.getMaxResults()
);
Result<GraphQLResponse> result = client.graphQL().raw().withQuery(graphQLQuery).run();
List<String> resultList = new ArrayList<>();
if (result != null && !result.hasErrors()) {
Object data = result.getResult().getData();
JSONObject entries = new JSONObject(data);
Map<String, cn.hutool.json.JSONArray> entriesMap = entries.get("Get", Map.class);
cn.hutool.json.JSONArray objects = entriesMap.get(className + queryVectorBo.getKid());
if (objects.isEmpty()) {
return resultList;
}
for (Object object : objects) {
Map<String, String> map = (Map<String, String>) object;
String content = map.get("text");
resultList.add(content);
}
return resultList;
} else {
log.error("GraphQL 查询失败: {}", result.getError());
return resultList;
}
}
@Override
@SneakyThrows
public void removeById(String id, String modelName) {
String protocol = configService.getConfigValue("weaviate", "protocol");
String host = configService.getConfigValue("weaviate", "host");
String className = configService.getConfigValue("weaviate", "classname");
String finalClassName = className + id;
WeaviateClient client = new WeaviateClient(new Config(protocol, host));
Result<Boolean> result = client.schema().classDeleter().withClassName(finalClassName).run();
if (result.hasErrors()) {
log.error("失败删除向量: " + result.getError());
throw new ServiceException("失败删除向量数据!");
} else {
log.info("成功删除向量数据: " + result.getResult());
}
}
@Override
public void removeByDocId(String docId, String kid) {
String className = configService.getConfigValue("weaviate", "classname") + kid;
// 构建 Where 条件
WhereFilter whereFilter = WhereFilter.builder()
.path("docId")
.operator(Operator.Equal)
.valueText(docId)
.build();
ObjectsBatchDeleter deleter = client.batch().objectsBatchDeleter();
Result<BatchDeleteResponse> result = deleter.withClassName(className)
.withWhere(whereFilter)
.run();
if (result != null && !result.hasErrors()) {
log.info("成功删除 docId={} 的所有向量数据", docId);
} else {
log.error("删除失败: {}", result.getError());
}
}
@Override
public void removeByFid(String fid, String kid) {
String className = configService.getConfigValue("weaviate", "classname") + kid;
// 构建 Where 条件
WhereFilter whereFilter = WhereFilter.builder()
.path("fid")
.operator(Operator.Equal)
.valueText(fid)
.build();
ObjectsBatchDeleter deleter = client.batch().objectsBatchDeleter();
Result<BatchDeleteResponse> result = deleter.withClassName(className)
.withWhere(whereFilter)
.run();
if (result != null && !result.hasErrors()) {
log.info("成功删除 fid={} 的所有向量数据", fid);
} else {
log.error("删除失败: {}", result.getError());
}
}
}

View File

@@ -216,7 +216,7 @@ public class KnowledgeInfoServiceImpl implements IKnowledgeInfoService {
}
baseMapper.insert(knowledgeInfo);
if (knowledgeInfo != null) {
vectorStoreService.createSchema(String.valueOf(knowledgeInfo.getId()),
vectorStoreService.createSchema(knowledgeInfo.getVectorModelName(),String.valueOf(knowledgeInfo.getId()),
bo.getVectorModelName());
}
} else {
@@ -257,6 +257,7 @@ public class KnowledgeInfoServiceImpl implements IKnowledgeInfoService {
knowledgeAttach.setDocType(fileName.substring(fileName.lastIndexOf(".") + 1));
String content = "";
ResourceLoader resourceLoader = resourceLoaderFactory.getLoaderByFileType(knowledgeAttach.getDocType());
// 文档分段入库
List<String> fids = new ArrayList<>();
try {
content = resourceLoader.getContent(file.getInputStream());
@@ -264,6 +265,7 @@ public class KnowledgeInfoServiceImpl implements IKnowledgeInfoService {
List<KnowledgeFragment> knowledgeFragmentList = new ArrayList<>();
if (CollUtil.isNotEmpty(chunkList)) {
for (int i = 0; i < chunkList.size(); i++) {
// 生成知识片段ID
String fid = RandomUtil.randomString(10);
fids.add(fid);
KnowledgeFragment knowledgeFragment = new KnowledgeFragment();