1.evict journal_query_page by comment update

2.clean journal_query_page by journal add/delete/update/schedule publish

luoo_music/src/main/java/com/luoo/music/config/StartupRunner.java

@@ -2,6 +2,10 @@ package com.luoo.music.config;
 
 import com.luoo.music.dao.JournalDao;
 import com.luoo.music.pojo.Journal;
+
+import constants.Constants;
+import net.oschina.j2cache.CacheChannel;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.ApplicationArguments;
 import org.springframework.boot.ApplicationRunner;
@@ -25,6 +29,9 @@ public class StartupRunner implements ApplicationRunner {
 
     public static Map<String, ScheduledFuture<?>> taskMap = new HashMap<>();
 
+    @Autowired
+	private CacheChannel cacheChannel;
+    
     @Autowired
     private JournalDao journalDao;
     @Autowired
@@ -63,6 +70,7 @@ public class StartupRunner implements ApplicationRunner {
         @Override
         public void run() {
             journalDao.updatePubById(id, pubTime);
+            cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_QUERY_PAGE);
             taskMap.remove(id);
         }
     }

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

@@ -2,6 +2,8 @@ package com.luoo.music.controller;
 
 import api.PageResult;
 import api.Result;
+import constants.Constants;
+
 import com.luoo.music.dto.request.cms.JournalAddModel;
 import com.luoo.music.dto.request.cms.JournalPublishReq;
 import com.luoo.music.dto.request.cms.JournalQueryModel;
@@ -12,6 +14,8 @@ import com.luoo.music.service.S3Service;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiParam;
+import net.oschina.j2cache.CacheChannel;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
@@ -31,6 +35,9 @@ public class CMSJournalController {
     private CMSJournalService journalService;
     @Autowired
     private S3Service s3Service;
+    
+    @Autowired
+	private CacheChannel cacheChannel;
 
     @ApiOperation(value = "查询期刊列表", notes = "查询期刊列表")
     @RequestMapping(value="/search/{page}/{size}", method= RequestMethod.POST)
@@ -43,6 +50,7 @@ public class CMSJournalController {
     @ApiOperation(value = "新增期刊", notes = "新增期刊")
     @RequestMapping(value = "/add", method = RequestMethod.POST)
     public Result add(@ApiParam(value = "期刊信息", required = true) @Valid @RequestBody JournalAddModel addModel){
+    	cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_QUERY_PAGE);
         return journalService.add(addModel);
     }
 
@@ -56,6 +64,7 @@ public class CMSJournalController {
     @RequestMapping(value = "/{id}", method = RequestMethod.PUT)
     public Result update(@ApiParam(value = "期刊ID", required = true) @PathVariable String id,
                          @ApiParam(value = "期刊信息", required = true) @RequestBody JournalAddModel updateModel){
+    	cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_QUERY_PAGE);
         return journalService.update(id, updateModel);
     }
 
@@ -70,12 +79,14 @@ public class CMSJournalController {
     @RequestMapping(value="/update/state/{id}",method= RequestMethod.PUT)
     public Result updateColumnState(@ApiParam(value = "期刊ID", required = true) @PathVariable String id,
                                     @ApiParam(value = "期刊启停状态，0:停用，1:启用", required = true) @RequestBody String state){
+    	cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_QUERY_PAGE);
         return journalService.updateJournalState(id, state);
     }
 
     @ApiOperation(value = "删除单条期刊", notes = "物理删除")
     @RequestMapping(value="/{id}", method= RequestMethod.DELETE)
     public Result delete(@ApiParam(value = "期刊ID", required = true) @PathVariable String id){
+    	cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_QUERY_PAGE);
         return journalService.deleteById(id);
     }
 

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

@@ -2,13 +2,17 @@ package com.luoo.music.dto.request;
 
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
-import lombok.Data;
+import lombok.Getter;
+import lombok.Setter;
+import util.StringTools;
+
 import java.io.Serializable;
 
 /**
  * 期刊查询参数
  */
-@Data
+@Getter
+@Setter
 @ApiModel
 public class JournalQueryReq implements Serializable {
 	private static final long serialVersionUID = -1198060864891902188L;
@@ -20,4 +24,13 @@ public class JournalQueryReq implements Serializable {
 	private Integer pageNum = 1;
 	@ApiModelProperty(value = "分页: 每页数量", example = "10")
 	private Integer pageSize = 10;
+
+	@Override
+	public String toString() {
+		return pageNum + "_" + pageSize + "_" + getString(categoryId) + "_" + getString(journalNoRange);
+	}
+
+	private String getString(String value) {
+		return StringTools.isEmpty(value) ? null : value;
+	}
 }

luoo_music/src/main/java/com/luoo/music/listener/CleanJournalQueryPageListener.java

@@ -0,0 +1,65 @@
+package com.luoo.music.listener;
+
+import constants.Constants;
+import net.oschina.j2cache.CacheChannel;
+import org.springframework.amqp.rabbit.annotation.RabbitHandler;
+import org.springframework.amqp.rabbit.annotation.RabbitListener;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import com.luoo.music.dao.JournalDao;
+import com.luoo.music.dto.request.JournalQueryReq;
+import com.luoo.music.pojo.Journal;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+@Component
+@RabbitListener(queues = Constants.RABBIT_MESSAGE_CLEAN_JOURANL_QUERY_PAGE)
+public class CleanJournalQueryPageListener {
+	private static final int DEFAULT_PAGE_SIZE = 10;
+	@Autowired
+	private CacheChannel cacheChannel;
+
+	@Autowired
+	private JournalDao journalDao;
+
+	@RabbitHandler
+	public void excuteClearCache(String journalId) {
+		Optional<Journal> optional = journalDao.findById(journalId);
+		if (!optional.isPresent()) {
+			return;
+		}
+		String journalQueryPageKey = getJournalQueryPageKey(optional.get());
+		cacheChannel.evict(Constants.J2CACHE_REGION_JOURNAL_QUERY_PAGE, journalQueryPageKey);
+	}
+
+	private String getJournalQueryPageKey(Journal journal) {
+		List<Integer> journalNos = journalDao.findValidJournals().stream().map(j -> Integer.valueOf(j.getJournalNo()))
+				.sorted().collect(Collectors.toList());
+		Collections.reverse(journalNos);
+		JournalQueryReq journalQueryReq = new JournalQueryReq();
+		journalQueryReq.setPageNum(getPageNum(Integer.valueOf(journal.getJournalNo()), journalNos));
+		journalQueryReq.setPageSize(DEFAULT_PAGE_SIZE);
+		return journalQueryReq.toString();
+	}
+
+	private int getPageNum(int value, List<Integer> list) {
+		if (value > list.get(0)) {
+			return 0;
+		}
+		int pageSize = DEFAULT_PAGE_SIZE;
+		for (int pageNum = 1; (pageNum - 1) * pageSize < list.size(); pageNum++) {
+			int startIndex = (pageNum - 1) * pageSize;
+			int endIndex = pageNum * pageSize - 1;
+			if (endIndex > list.size()) {
+				return pageNum;
+			}
+			if (list.get(startIndex) >= value && list.get(endIndex) <= value) {
+				return pageNum;
+			}
+		}
+		return 0;
+	}
+}

luoo_music/src/test/java/com/luoo/music/listener/CleanJournalQueryPageListenerTest.java

@@ -0,0 +1,42 @@
+package com.luoo.music.listener;
+
+import static org.junit.Assert.*;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.junit.Test;
+
+public class CleanJournalQueryPageListenerTest {
+
+	@Test
+	public void test() {
+		List<Integer> list = new ArrayList<>();
+		for (int i = 1; i < 1024; i++) {
+			list.add(i);
+		}
+		Collections.reverse(list);
+		assertTrue(0 == getPageNum(1024, list));
+		assertTrue(103 == getPageNum(1, list));
+	}
+
+	private int getPageNum(int value, List<Integer> list) {
+		if (value > list.get(0)) {
+			return 0;
+		}
+		int pageSize = 10;
+		for (int pageNum = 1; (pageNum - 1) * pageSize < list.size(); pageNum++) {
+			int startIndex = (pageNum - 1) * pageSize;
+			int endIndex = pageNum * pageSize - 1;
+			if (endIndex > list.size()) {
+				return pageNum;
+			}
+			if (list.get(startIndex) >= value && list.get(endIndex) <= value) {
+				return pageNum;
+			}
+		}
+		return 0;
+	}
+
+}