1.speed up fuzzy search

luoo_music/src/main/java/com/luoo/music/controller/SearchController.java

@@ -1,13 +1,19 @@
 package com.luoo.music.controller;
 
 import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
 import java.util.stream.Collectors;
 
 import com.luoo.music.dto.mapper.JournalMapper;
 import com.luoo.music.dto.mapper.SongMapper;
 import com.luoo.music.dto.request.AutoCompleteReq;
+import com.luoo.music.dto.request.FuzzySearchReq;
+import com.luoo.music.dto.response.JournalRespDTO;
 import com.luoo.music.dto.response.SearchCategoryDTO;
 import com.luoo.music.dto.response.SearchResultDTO;
+import com.luoo.music.dto.response.SongRespDTO;
+
 import io.swagger.annotations.*;
 
 import org.springframework.beans.BeanUtils;
@@ -59,19 +65,22 @@ public class SearchController {
 		return Result.success(searchCategoryDTOs);
 	}
 
-	@ApiOperation(value = "2.搜索期刊/歌曲", notes = "根据关键词模糊搜索，如 期刊号，歌曲名 等")
-	@ApiImplicitParams({ @ApiImplicitParam(name = "keyword", value = "搜索关键词", required = true) })
-	@GetMapping("/fuzzy/{keyword}")
+	@ApiOperation(value = "2.搜索期刊/歌曲", notes = "根据关键词模糊搜索，如 期刊号，歌曲名 等, limit 默认查10条")
+	@GetMapping("/fuzzy")
 	@GlobalInterceptor(checkAppUserLogin = true)
 	public Result<SearchResultDTO> fuzzySearch(
 			@RequestHeader(value = "Authorization", required = false) String authorization,
-			@PathVariable @VerifyParam(required = true) String keyword) {
+			@VerifyParam(required = true) FuzzySearchReq query) throws InterruptedException, ExecutionException {
 		SearchResultDTO searchResultDTO = new SearchResultDTO();
-		List<Journal> journals = journalService.fuzzySearch(keyword);
-		List<JournalSong> songs = journalSongService.fuzzySearch(keyword);
-		searchResultDTO.setJournals(
-				journals.stream().map(j -> JournalMapper.getJournalRespDTO(j)).collect(Collectors.toList()));
-		searchResultDTO.setSongs(songs.stream().map(SongMapper::getSongRespDTO).collect(Collectors.toList()));
+	    int limit = getLimit(query.getLimit());
+	    
+	    CompletableFuture<List<JournalRespDTO>> cfa = CompletableFuture.supplyAsync(() -> journalService.fuzzySearch(query.getKeyword(),limit).stream().map(JournalMapper::getJournalRespDTO).collect(Collectors.toList()));
+	    CompletableFuture<List<SongRespDTO>> cfb = CompletableFuture.supplyAsync(() -> journalSongService.fuzzySearch(query.getKeyword(),limit).stream().map(SongMapper::getSongRespDTO).collect(Collectors.toList()));
+	    List<JournalRespDTO> journals = cfa.get();
+	    List<SongRespDTO> songs = cfb.get();
+	    
+		searchResultDTO.setJournals(journals);
+		searchResultDTO.setSongs(songs);
 		return Result.success(searchResultDTO);
 	}
 

luoo_music/src/main/java/com/luoo/music/dto/request/FuzzySearchReq.java

@@ -0,0 +1,23 @@
+package com.luoo.music.dto.request;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import java.io.Serializable;
+
+import annotation.VerifyParam;
+
+/**
+ * 搜索自动补全请求参数
+ */
+@Data
+@ApiModel
+public class FuzzySearchReq implements Serializable {
+	private static final long serialVersionUID = 1L;
+	@VerifyParam(required = true)
+	@ApiModelProperty(value = "关键词", required = true)
+	private String keyword;
+	@VerifyParam(required = false)
+	@ApiModelProperty(value = "默认返10条, null/0 返回10 条，-1 返回所有", example = "10")
+	private Integer limit;
+}

luoo_music/src/main/java/com/luoo/music/service/JournalService.java

@@ -284,9 +284,10 @@ public class JournalService {
 	}
 
 
-	public List<Journal> fuzzySearch(String keyword) {
+	public List<Journal> fuzzySearch(String keyword, int limit) {
+		PageRequest pageRequest =  PageRequest.of(0, limit);
 		Specification<Journal> specification = fuzzySpecification(keyword);
-		return journalDao.findAll(specification);
+		return journalDao.findAll(specification,pageRequest).getContent();
 	}
 	private Specification<Journal> fuzzySpecification(String keyword) {
 		return new Specification<Journal>() {
@@ -297,8 +298,8 @@ public class JournalService {
 				
 				predicateList.add(criteriaBuilder.like(root.get("journalNo").as(String.class),"%"+keyword+"%"));
 				predicateList.add(criteriaBuilder.like(root.get("title").as(String.class),"%"+keyword+"%"));
-				
 				query.orderBy(criteriaBuilder.desc(root.get("journalNo").as(Integer.class)));
+				
 				return criteriaBuilder.or( predicateList.toArray(new Predicate[predicateList.size()]));
 			}
 		};

luoo_music/src/main/java/com/luoo/music/service/JournalSongService.java

@@ -1,6 +1,7 @@
 package com.luoo.music.service;
 
 import com.luoo.music.dao.JournalSongDao;
+import com.luoo.music.dto.response.SearchCategoryDTO;
 import com.luoo.music.pojo.Journal;
 import com.luoo.music.pojo.JournalSong;
 
@@ -18,6 +19,7 @@ import javax.persistence.criteria.CriteriaQuery;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -155,9 +157,10 @@ public class JournalSongService {
 		return journalSongDao.orderByField(objectIds);
 	}
 
-	public List<JournalSong> fuzzySearch(String keyword) {
+	public List<JournalSong> fuzzySearch(String keyword, int limit) {
+		PageRequest pageRequest =  PageRequest.of(0, limit);
 		Specification<JournalSong> specification = fuzzySpecification(keyword);
-		return journalSongDao.findAll(specification);
+		return journalSongDao.findAll(specification,pageRequest).getContent();
 	}
 	private Specification<JournalSong> fuzzySpecification(String keyword) {
 		return new Specification<JournalSong>() {
@@ -174,4 +177,5 @@ public class JournalSongService {
 			}
 		};
 	}
+
 }