fix milvus shutdown error (#1307)

common/src/main/java/com/tencent/supersonic/common/service/impl/EmbeddingServiceImpl.java

@@ -4,6 +4,7 @@ import com.tencent.supersonic.common.service.EmbeddingService;
 import dev.langchain4j.data.embedding.Embedding;
 import dev.langchain4j.data.segment.TextSegment;
 import dev.langchain4j.model.embedding.EmbeddingModel;
+import dev.langchain4j.model.output.Response;
 import dev.langchain4j.store.embedding.EmbeddingMatch;
 import dev.langchain4j.store.embedding.EmbeddingSearchRequest;
 import dev.langchain4j.store.embedding.EmbeddingSearchResult;
@@ -15,9 +16,9 @@ import dev.langchain4j.store.embedding.RetrieveQueryResult;
 import dev.langchain4j.store.embedding.TextSegmentConvert;
 import dev.langchain4j.store.embedding.filter.Filter;
 import dev.langchain4j.store.embedding.filter.comparison.IsEqualTo;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections.MapUtils;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;
@@ -25,33 +26,29 @@ import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Objects;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
 @Service
 @Slf4j
+@RequiredArgsConstructor
 public class EmbeddingServiceImpl implements EmbeddingService {
-
+    private static final Map<String, EmbeddingStore<TextSegment>> embeddingStoreMap = new ConcurrentHashMap<>();
-    @Autowired
+    private final EmbeddingStoreFactory embeddingStoreFactory;
-    private EmbeddingStoreFactory embeddingStoreFactory;
+    private final EmbeddingModel embeddingModel;
-
-    @Autowired
-    private EmbeddingModel embeddingModel;
 
     @Override
     public void addQuery(String collectionName, List<TextSegment> queries) {
-        EmbeddingStore embeddingStore = embeddingStoreFactory.create(collectionName);
+        EmbeddingStore<TextSegment> embeddingStore = embeddingStoreMap
-        for (TextSegment query : queries) {
+                .computeIfAbsent(collectionName, embeddingStoreFactory::create);
-            String question = query.text();
         try {
-                Embedding embedding = embeddingModel.embed(question).content();
+            Response<List<Embedding>> embedAll = embeddingModel.embedAll(queries);
-                embeddingStore.add(embedding, query);
+            embeddingStore.addAll(embedAll.content(), queries);
         } catch (Exception e) {
-                log.error("embeddingModel embed error question: {}, embeddingStore: {}", question,
+            log.error("embeddingModel embed error queries: {}, embeddingStore: {}", queries,
                     embeddingStore.getClass().getSimpleName(), e);
         }
     }
-    }
 
     @Override
     public void deleteQuery(String collectionName, List<TextSegment> queries) {
@@ -61,7 +58,8 @@ public class EmbeddingServiceImpl implements EmbeddingService {
     public List<RetrieveQueryResult> retrieveQuery(String collectionName, RetrieveQuery retrieveQuery, int num) {
         List<RetrieveQueryResult> results = new ArrayList<>();
 
-        EmbeddingStore embeddingStore = embeddingStoreFactory.create(collectionName);
+        EmbeddingStore<TextSegment> embeddingStore = embeddingStoreMap
+                .computeIfAbsent(collectionName, embeddingStoreFactory::create);
         List<String> queryTextsList = retrieveQuery.getQueryTextsList();
         Map<String, String> filterCondition = retrieveQuery.getFilterCondition();
         for (String queryText : queryTextsList) {
@@ -70,7 +68,7 @@ public class EmbeddingServiceImpl implements EmbeddingService {
             EmbeddingSearchRequest request = EmbeddingSearchRequest.builder()
                     .queryEmbedding(embeddedText).filter(filter).maxResults(num).build();
 
-            EmbeddingSearchResult result = embeddingStore.search(request);
+            EmbeddingSearchResult<TextSegment> result = embeddingStore.search(request);
             List<EmbeddingMatch<TextSegment>> relevant = result.matches();
 
             RetrieveQueryResult retrieveQueryResult = new RetrieveQueryResult();
@@ -83,8 +81,7 @@ public class EmbeddingServiceImpl implements EmbeddingService {
                 retrieval.setId(TextSegmentConvert.getQueryId(embedded));
                 retrieval.setQuery(embedded.text());
                 Map<String, Object> metadata = new HashMap<>();
-                if (Objects.nonNull(embedded)
+                if (MapUtils.isNotEmpty(embedded.metadata().toMap())) {
-                        && MapUtils.isNotEmpty(embedded.metadata().toMap())) {
                     metadata.putAll(embedded.metadata().toMap());
                 }
                 retrieval.setMetadata(metadata);

common/src/main/java/dev/langchain4j/milvus/spring/MilvusEmbeddingStoreFactory.java

@@ -1,18 +1,19 @@
 package dev.langchain4j.milvus.spring;
 
+import dev.langchain4j.data.segment.TextSegment;
 import dev.langchain4j.store.embedding.EmbeddingStore;
 import dev.langchain4j.store.embedding.EmbeddingStoreFactory;
 import dev.langchain4j.store.embedding.milvus.MilvusEmbeddingStore;
 
 public class MilvusEmbeddingStoreFactory implements EmbeddingStoreFactory {
-    private Properties properties;
+    private final Properties properties;
 
     public MilvusEmbeddingStoreFactory(Properties properties) {
         this.properties = properties;
     }
 
     @Override
-    public EmbeddingStore create(String collectionName) {
+    public EmbeddingStore<TextSegment> create(String collectionName) {
         EmbeddingStoreProperties embeddingStore = properties.getEmbeddingStore();
         return MilvusEmbeddingStore.builder()
                 .host(embeddingStore.getHost())

common/src/main/java/dev/langchain4j/store/embedding/EmbeddingStoreFactory.java

@@ -1,6 +1,8 @@
 package dev.langchain4j.store.embedding;
 
+import dev.langchain4j.data.segment.TextSegment;
+
 public interface EmbeddingStoreFactory {
 
-    EmbeddingStore create(String collectionName);
+    EmbeddingStore<TextSegment> create(String collectionName);
 }

headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/impl/TagMetaServiceImpl.java

@@ -133,8 +133,7 @@ public class TagMetaServiceImpl implements TagMetaService {
 
     @Override
     public List<TagResp> getTags(TagFilter tagFilter) {
-        List<TagResp> tagRespList = tagRepository.queryTagRespList(tagFilter);
+        return tagRepository.queryTagRespList(tagFilter);
-        return tagRespList;
     }
 
     @Override