修复有任务运行时可以删除集群信息的问题 #371

nacossync-worker/src/main/java/com/alibaba/nacossync/dao/TaskAccessService.java

@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package com.alibaba.nacossync.dao;
 
 import com.alibaba.nacossync.constant.SkyWalkerConstants;
@@ -39,82 +40,86 @@
  */
 @Service
 public class TaskAccessService implements PageQueryService<TaskDO> {
-
+    
     private final TaskRepository taskRepository;
 
     public TaskAccessService(TaskRepository taskRepository) {
         this.taskRepository = taskRepository;
     }
 
     public TaskDO findByTaskId(String taskId) {
-
+        
         return taskRepository.findByTaskId(taskId);
     }
-
+    
     public void deleteTaskById(String taskId) {
         taskRepository.deleteByTaskId(taskId);
     }
 
     /**
      * batch delete tasks by taskIds
-     * @author yongchao9
+     *
      * @param taskIds
+     * @author yongchao9
      */
     public void deleteTaskInBatch(List<String> taskIds) {
-    	List<TaskDO> tds=taskRepository.findAllByTaskIdIn(taskIds);
+        List<TaskDO> tds = taskRepository.findAllByTaskIdIn(taskIds);
         taskRepository.deleteAllInBatch(tds);
     }
-
+    
     public Iterable<TaskDO> findAll() {
-
+        
         return taskRepository.findAll();
     }
-
+    
     public void addTask(TaskDO taskDO) {
-
+        
         taskRepository.save(taskDO);
-
+        
     }
-
+
+    public int countByDestClusterIdOrSourceClusterId(String destClusterId, String sourceClusterId) {
+        return taskRepository.countByDestClusterIdOrSourceClusterId(destClusterId, sourceClusterId);
+    }
+
     private Predicate getPredicate(CriteriaBuilder criteriaBuilder, List<Predicate> predicates) {
         Predicate[] p = new Predicate[predicates.size()];
         return criteriaBuilder.and(predicates.toArray(p));
     }
-
-    private List<Predicate> getPredicates(Root<TaskDO> root, CriteriaBuilder criteriaBuilder, QueryCondition queryCondition) {
-
+
+    private List<Predicate> getPredicates(Root<TaskDO> root, CriteriaBuilder criteriaBuilder,
+            QueryCondition queryCondition) {
+
         List<Predicate> predicates = new ArrayList<>();
         predicates.add(criteriaBuilder.like(root.get("serviceName"), "%" + queryCondition.getServiceName() + "%"));
-
+        
         return predicates;
     }
-
+    
     @Override
     public Page<TaskDO> findPageNoCriteria(Integer pageNum, Integer size) {
-
+        
         Pageable pageable = PageRequest.of(pageNum, size, Sort.Direction.DESC, "id");
-
+        
         return taskRepository.findAll(pageable);
     }
-
+    
     @Override
     public Page<TaskDO> findPageCriteria(Integer pageNum, Integer size, QueryCondition queryCondition) {
-
+        
         Pageable pageable = PageRequest.of(pageNum, size, Sort.Direction.DESC, "id");
-
+        
         return getTaskDOS(queryCondition, pageable);
     }
-
+    
     private Page<TaskDO> getTaskDOS(QueryCondition queryCondition, Pageable pageable) {
-        return taskRepository.findAll(
-                (Specification<TaskDO>) (root, criteriaQuery, criteriaBuilder) -> {
-
-                    List<Predicate> predicates = getPredicates(root,
-                            criteriaBuilder, queryCondition);
-
-                    return getPredicate(criteriaBuilder, predicates);
-
-                }, pageable);
+        return taskRepository.findAll((Specification<TaskDO>) (root, criteriaQuery, criteriaBuilder) -> {
+
+            List<Predicate> predicates = getPredicates(root, criteriaBuilder, queryCondition);
+
+            return getPredicate(criteriaBuilder, predicates);
+
+        }, pageable);
     }
 
     public List<TaskDO> findAllByServiceNameEqualAll() {
@@ -124,5 +129,5 @@ public List<TaskDO> findAllByServiceNameEqualAll() {
     public List<TaskDO> findAllByServiceNameNotEqualAll() {
         return taskRepository.findAllByServiceNameNotIgnoreCase(SkyWalkerConstants.NACOS_ALL_SERVICE_NAME);
     }
-
+    
 }

nacossync-worker/src/main/java/com/alibaba/nacossync/dao/repository/TaskRepository.java

@@ -34,16 +34,15 @@ public interface TaskRepository extends CrudRepository<TaskDO, Integer>, JpaRepo
     TaskDO findByTaskId(String taskId);
 
     @Transactional
-    int deleteByTaskId(String taskId);
+    void deleteByTaskId(String taskId);
 
     List<TaskDO> findAllByTaskIdIn(List<String> taskIds);
-
-    List<TaskDO> getAllByWorkerIp(String workerIp);
-
     /**
      * query service is all，use ns leven sync data
      */
     List<TaskDO> findAllByServiceNameEqualsIgnoreCase(String serviceName);
     List<TaskDO> findAllByServiceNameNotIgnoreCase(String serviceName);
+
+    int countByDestClusterIdOrSourceClusterId(String destClusterId,String sourceClusterId);
 
 }

nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterAddProcessor.java

@@ -19,7 +19,6 @@
 import com.alibaba.nacossync.constant.ClusterTypeEnum;
 import com.alibaba.nacossync.dao.ClusterAccessService;
 import com.alibaba.nacossync.exception.SkyWalkerException;
-import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.ClusterDO;
 import com.alibaba.nacossync.pojo.request.ClusterAddRequest;
 import com.alibaba.nacossync.pojo.result.ClusterAddResult;
@@ -28,7 +27,6 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 /**
@@ -38,16 +36,17 @@
 @Slf4j
 @Service
 public class ClusterAddProcessor implements Processor<ClusterAddRequest, ClusterAddResult> {
+
 
-    @Autowired
-    private MetricsManager metricsManager;
-
-    @Autowired
-    private ClusterAccessService clusterAccessService;
-
-    @Autowired
-    private ObjectMapper objectMapper;
+    private final ClusterAccessService clusterAccessService;
 
+    private final ObjectMapper objectMapper;
+
+    public ClusterAddProcessor(ClusterAccessService clusterAccessService, ObjectMapper objectMapper) {
+        this.clusterAccessService = clusterAccessService;
+        this.objectMapper = objectMapper;
+    }
+
     @Override
     public void process(ClusterAddRequest clusterAddRequest, ClusterAddResult clusterAddResult,
         Object... others) throws Exception {

nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterDeleteProcessor.java

@@ -14,31 +14,43 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.alibaba.nacossync.template.processor;
 
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
+package com.alibaba.nacossync.template.processor;
 
 import com.alibaba.nacossync.dao.ClusterAccessService;
-import com.alibaba.nacossync.pojo.result.ClusterDeleteResult;
+import com.alibaba.nacossync.dao.TaskAccessService;
+import com.alibaba.nacossync.exception.SkyWalkerException;
 import com.alibaba.nacossync.pojo.request.ClusterDeleteRequest;
+import com.alibaba.nacossync.pojo.result.ClusterDeleteResult;
 import com.alibaba.nacossync.template.Processor;
+import org.springframework.stereotype.Service;
 
 /**
  * @author NacosSync
  * @version $Id: ClusterDeleteProcessor.java, v 0.1 2018-09-30 PM2:43 NacosSync Exp $$
  */
 @Service
 public class ClusterDeleteProcessor implements Processor<ClusterDeleteRequest, ClusterDeleteResult> {
-
-    @Autowired
-    private ClusterAccessService clusterAccessService;
-
+
+    private final ClusterAccessService clusterAccessService;
+
+    private final TaskAccessService taskAccessService;
+
+    public ClusterDeleteProcessor(ClusterAccessService clusterAccessService, TaskAccessService taskAccessService) {
+        this.clusterAccessService = clusterAccessService;
+        this.taskAccessService = taskAccessService;
+    }
+
     @Override
-    public void process(ClusterDeleteRequest clusterDeleteRequest,
-                        ClusterDeleteResult clusterDeleteResult, Object... others) throws Exception {
-
+    public void process(ClusterDeleteRequest clusterDeleteRequest, ClusterDeleteResult clusterDeleteResult,
+            Object... others) throws Exception {
+        int count = taskAccessService.countByDestClusterIdOrSourceClusterId(clusterDeleteRequest.getClusterId(),
+                clusterDeleteRequest.getClusterId());
+        if (count > 0) {
+            throw new SkyWalkerException(String.format("集群下有%d个任务，请先删除任务", count));
+        }
+
         clusterAccessService.deleteByClusterId(clusterDeleteRequest.getClusterId());
-
+        
     }
 }