Adapting partial code(file name start with T) to the sonar cloud rule (#2271)

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/dto/TaskCountDto.java

@@ -43,36 +43,36 @@ public class TaskCountDto {
     }
 
     private void countTaskDtos(List<ExecuteStatusCount> taskInstanceStateCounts){
-        int submitted_success = 0;
-        int running_exeution = 0;
-        int ready_pause = 0;
+        int submittedSuccess = 0;
+        int runningExeution = 0;
+        int readyPause = 0;
         int pause = 0;
-        int ready_stop = 0;
+        int readyStop = 0;
         int stop = 0;
         int failure = 0;
         int success = 0;
-        int need_fault_tolerance = 0;
+        int needFaultTolerance = 0;
         int kill = 0;
-        int waitting_thread = 0;
+        int waittingThread = 0;
 
         for(ExecuteStatusCount taskInstanceStateCount : taskInstanceStateCounts){
             ExecutionStatus status = taskInstanceStateCount.getExecutionStatus();
             totalCount += taskInstanceStateCount.getCount();
             switch (status){
                 case SUBMITTED_SUCCESS:
-                    submitted_success += taskInstanceStateCount.getCount();
+                    submittedSuccess += taskInstanceStateCount.getCount();
                     break;
                 case RUNNING_EXEUTION:
-                    running_exeution += taskInstanceStateCount.getCount();
+                    runningExeution += taskInstanceStateCount.getCount();
                     break;
                 case READY_PAUSE:
-                    ready_pause += taskInstanceStateCount.getCount();
+                    readyPause += taskInstanceStateCount.getCount();
                     break;
                 case PAUSE:
                     pause += taskInstanceStateCount.getCount();
                     break;
                 case READY_STOP:
-                    ready_stop += taskInstanceStateCount.getCount();
+                    readyStop += taskInstanceStateCount.getCount();
                     break;
                 case STOP:
                     stop += taskInstanceStateCount.getCount();
@@ -84,13 +84,13 @@ public class TaskCountDto {
                     success += taskInstanceStateCount.getCount();
                     break;
                 case NEED_FAULT_TOLERANCE:
-                    need_fault_tolerance += taskInstanceStateCount.getCount();
+                    needFaultTolerance += taskInstanceStateCount.getCount();
                     break;
                 case KILL:
                     kill += taskInstanceStateCount.getCount();
                     break;
                 case WAITTING_THREAD:
-                    waitting_thread += taskInstanceStateCount.getCount();
+                    waittingThread += taskInstanceStateCount.getCount();
                     break;
 
                     default:
@@ -98,17 +98,17 @@ public class TaskCountDto {
             }
         }
         this.taskCountDtos = new ArrayList<>();
-        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.SUBMITTED_SUCCESS, submitted_success));
-        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.RUNNING_EXEUTION, running_exeution));
-        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.READY_PAUSE, ready_pause));
+        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.SUBMITTED_SUCCESS, submittedSuccess));
+        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.RUNNING_EXEUTION, runningExeution));
+        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.READY_PAUSE, readyPause));
         this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.PAUSE, pause));
-        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.READY_STOP, ready_stop));
+        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.READY_STOP, readyStop));
         this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.STOP, stop));
         this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.FAILURE, failure));
         this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.SUCCESS, success));
-        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.NEED_FAULT_TOLERANCE, need_fault_tolerance));
+        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.NEED_FAULT_TOLERANCE, needFaultTolerance));
         this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.KILL, kill));
-        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.WAITTING_THREAD, waitting_thread));
+        this.taskCountDtos.add(new TaskStateCount(ExecutionStatus.WAITTING_THREAD, waittingThread));
     }
 
 

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/TaskInstanceService.java

@@ -32,8 +32,6 @@ import org.apache.dolphinscheduler.dao.entity.User;
 import org.apache.dolphinscheduler.dao.mapper.ProjectMapper;
 import org.apache.dolphinscheduler.dao.mapper.TaskInstanceMapper;
 import org.apache.dolphinscheduler.service.process.ProcessService;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -46,8 +44,6 @@ import java.util.*;
 @Service
 public class TaskInstanceService extends BaseService {
 
-    private static final Logger logger = LoggerFactory.getLogger(TaskInstanceService.class);
-
     @Autowired
     ProjectMapper projectMapper;
 

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/TaskRecordService.java

@@ -21,8 +21,6 @@ import org.apache.dolphinscheduler.api.utils.PageInfo;
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.dao.TaskRecordDao;
 import org.apache.dolphinscheduler.dao.entity.TaskRecord;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 
 import java.util.HashMap;
@@ -37,8 +35,6 @@ import static org.apache.dolphinscheduler.common.Constants.*;
 @Service
 public class TaskRecordService extends BaseService{
 
-    private static final Logger logger = LoggerFactory.getLogger(TaskRecordService.class);
-
     /**
      * query task record list paging
      *

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/TenantService.java

@@ -310,7 +310,7 @@ public class TenantService extends BaseService{
     Map<String, Object> result = new HashMap<>(5);
 
     List<Tenant> resourceList = tenantMapper.queryByTenantCode(tenantCode);
-    if (resourceList != null && resourceList.size() > 0) {
+    if (CollectionUtils.isNotEmpty(resourceList)) {
       result.put(Constants.DATA_LIST, resourceList);
       putMsg(result, Status.SUCCESS);
     } else {
@@ -346,6 +346,6 @@ public class TenantService extends BaseService{
    */
   private boolean checkTenantExists(String tenantCode) {
       List<Tenant> tenants = tenantMapper.queryByTenantCode(tenantCode);
-      return (tenants != null && tenants.size() > 0);
+      return CollectionUtils.isNotEmpty(tenants);
   }
 }

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/enums/TaskStateType.java

@@ -60,7 +60,7 @@ public enum TaskStateType {
                 default:
                     break;
         }
-        return null;
+        return new int[0];
     }
 
 }

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/model/TaskNode.java

@@ -293,14 +293,14 @@ public class TaskNode {
   public TaskTimeoutParameter getTaskTimeoutParameter() {
     if(StringUtils.isNotEmpty(this.getTimeout())){
       String formatStr = String.format("%s,%s", TaskTimeoutStrategy.WARN.name(), TaskTimeoutStrategy.FAILED.name());
-      String timeout = this.getTimeout().replace(formatStr,TaskTimeoutStrategy.WARNFAILED.name());
-      return JSON.parseObject(timeout,TaskTimeoutParameter.class);
+      String taskTimeout = this.getTimeout().replace(formatStr,TaskTimeoutStrategy.WARNFAILED.name());
+      return JSON.parseObject(taskTimeout,TaskTimeoutParameter.class);
     }
     return new TaskTimeoutParameter(false);
   }
 
   public boolean isConditionsTask(){
-    return this.getType().toUpperCase().equals(TaskType.CONDITIONS.toString());
+    return TaskType.CONDITIONS.toString().equalsIgnoreCase(this.getType());
   }
 
   @Override

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/thread/ThreadPoolExecutors.java

@@ -74,21 +74,21 @@ public class ThreadPoolExecutors {
      * @param event
      */
     public void execute(final Runnable event) {
-        Executor executor = getExecutor();
-        if (executor == null) {
-            logger.error("Cannot execute [" + event + "] because the executor is missing.");
+        Executor eventExecutor = getExecutor();
+        if (eventExecutor == null) {
+            logger.error("Cannot execute [{}}] because the executor is missing.", event);
         } else {
-            executor.execute(event);
+            eventExecutor.execute(event);
         }
     }
 
 
     public Future<?> submit(Runnable event) {
-        Executor executor = getExecutor();
-        if (executor == null) {
-            logger.error("Cannot submit [" + event + "] because the executor is missing.");
+        Executor eventExecutor = getExecutor();
+        if (eventExecutor == null) {
+            logger.error("Cannot submit [{}}] because the executor is missing.", event);
         } else {
-            return executor.submit(event);
+            return eventExecutor.submit(event);
         }
 
         return null;
@@ -97,11 +97,11 @@ public class ThreadPoolExecutors {
 
 
     public Future<?> submit(Callable<?> task) {
-        Executor executor = getExecutor();
-        if (executor == null) {
-            logger.error("Cannot submit [" + task + "] because the executor is missing.");
+        Executor taskExecutor = getExecutor();
+        if (taskExecutor == null) {
+            logger.error("Cannot submit [{}] because the executor is missing.", task);
         } else {
-            return executor.submit(task);
+            return taskExecutor.submit(task);
         }
 
         return null;
@@ -110,8 +110,8 @@ public class ThreadPoolExecutors {
 
 
     public void printStatus() {
-        Executor executor = getExecutor();
-        executor.getStatus().dumpInfo();
+        Executor printExecutor = getExecutor();
+        printExecutor.getStatus().dumpInfo();
     }
 
 
@@ -125,7 +125,7 @@ public class ThreadPoolExecutors {
             List<Runnable> wasRunning = executor.threadPoolExecutor
                     .shutdownNow();
             if (!wasRunning.isEmpty()) {
-                logger.info(executor + " had " + wasRunning + " on shutdown");
+                logger.info("{} had {} on shutdown", executor, wasRunning);
             }
         }
     }
@@ -138,7 +138,7 @@ public class ThreadPoolExecutors {
         /**
          * how long to retain excess threads
          */
-        final long keepAliveTimeInMillis = 1000;
+        static final long KEEP_ALIVE_TIME_IN_MILLIS = 1000;
         /**
          *  the thread pool executor that services the requests
          */
@@ -146,7 +146,7 @@ public class ThreadPoolExecutors {
         /**
          * work queue to use - unbounded queue
          */
-        final BlockingQueue<Runnable> q = new LinkedBlockingQueue<Runnable>();
+        final BlockingQueue<Runnable> q = new LinkedBlockingQueue<>();
         private final String name;
         private static final AtomicLong seqids = new AtomicLong(0);
         private final long id;
@@ -156,7 +156,7 @@ public class ThreadPoolExecutors {
             this.name = name;
             //create the thread pool executor
             this.threadPoolExecutor = new TrackingThreadPoolExecutor(
-                    maxThreads, maxThreads, keepAliveTimeInMillis,
+                    maxThreads, maxThreads, KEEP_ALIVE_TIME_IN_MILLIS,
                     TimeUnit.MILLISECONDS, q);
             // name the threads for this threadpool
             ThreadFactoryBuilder tfb = new ThreadFactoryBuilder();

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/placeholder/TimePlaceholderUtils.java

@@ -35,12 +35,12 @@ public class TimePlaceholderUtils {
     /**
      * Prefix of the position to be replaced
      */
-    public static final String placeholderPrefix = "$[";
+    public static final String PLACEHOLDER_PREFIX = "$[";
 
     /**
      * The suffix of the position to be replaced
      */
-    public static final String placeholderSuffix = "]";
+    public static final String PLACEHOLDER_SUFFIX = "]";
 
     /**
      * Replaces all placeholders of format {@code ${name}} with the value returned
@@ -66,7 +66,7 @@ public class TimePlaceholderUtils {
      * be ignored ({@code true}) or cause an exception ({@code false})
      */
     private static PropertyPlaceholderHelper getPropertyPlaceholderHelper(boolean ignoreUnresolvablePlaceholders) {
-        return new PropertyPlaceholderHelper(placeholderPrefix, placeholderSuffix, null, ignoreUnresolvablePlaceholders);
+        return new PropertyPlaceholderHelper(PLACEHOLDER_PREFIX, PLACEHOLDER_SUFFIX, null, ignoreUnresolvablePlaceholders);
     }
 
     /**
@@ -503,7 +503,7 @@ public class TimePlaceholderUtils {
      * @return calculate need minutes
      */
     public static Integer calcMinutes(String minuteExpression) {
-        int index = minuteExpression.indexOf("/");
+        int index = minuteExpression.indexOf('/');
 
         String calcExpression;
 

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/TaskRecordDao.java

@@ -84,9 +84,9 @@ public class TaskRecordDao {
             Class.forName(driver);
             conn = DriverManager.getConnection(url, username, password);
         } catch (ClassNotFoundException e) {
-            logger.error("Exception ", e);
+            logger.error("Class not found Exception ", e);
         } catch (SQLException e) {
-            logger.error("Exception ", e);
+            logger.error("SQL Exception ", e);
         }
         return conn;
     }

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/TaskInstanceMapperTest.java

@@ -78,7 +78,7 @@ public class TaskInstanceMapperTest {
         TaskInstance taskInstance = insertOne();
         //update
         int update = taskInstanceMapper.updateById(taskInstance);
-        Assert.assertEquals(update, 1);
+        Assert.assertEquals(1, update);
         taskInstanceMapper.deleteById(taskInstance.getId());
     }
 
@@ -89,7 +89,7 @@ public class TaskInstanceMapperTest {
     public void testDelete(){
         TaskInstance taskInstance = insertOne();
         int delete = taskInstanceMapper.deleteById(taskInstance.getId());
-        Assert.assertEquals(delete, 1);
+        Assert.assertEquals(1, delete);
     }
 
     /**

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/TenantMapperTest.java

@@ -64,7 +64,7 @@ public class TenantMapperTest {
         tenant.setUpdateTime(new Date());
         //update
         int update = tenantMapper.updateById(tenant);
-        Assert.assertEquals(update, 1);
+        Assert.assertEquals(1, update);
         tenantMapper.deleteById(tenant.getId());
     }
 
@@ -75,7 +75,7 @@ public class TenantMapperTest {
     public void testDelete(){
         Tenant tenant = insertOne();
         int delete = tenantMapper.deleteById(tenant.getId());
-        Assert.assertEquals(delete, 1);
+        Assert.assertEquals(1, delete);
     }
 
     /**

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/TaskScheduleThread.java

@@ -230,7 +230,7 @@ public class TaskScheduleThread implements Runnable {
                         taskInstance.getId() + ".log";
             }
         }catch (Exception e){
-            logger.error("logger" + e);
+            logger.error("logger {}", e.getMessage(), e);
             logPath = "";
         }
         return logPath;

dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/queue/TaskQueueZkImpl.java

@@ -18,6 +18,7 @@ package org.apache.dolphinscheduler.service.queue;
 
 
 import org.apache.dolphinscheduler.common.Constants;
+import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.common.utils.IpUtils;
 import org.apache.dolphinscheduler.common.utils.OSUtils;
 import org.apache.dolphinscheduler.service.zk.ZookeeperOperator;
@@ -67,8 +68,7 @@ public class TaskQueueZkImpl implements ITaskQueue {
     @Override
     public List<String> getAllTasks(String key) {
         try {
-            List<String> list = zookeeperOperator.getChildrenKeys(getTasksPath(key));
-            return list;
+            return zookeeperOperator.getChildrenKeys(getTasksPath(key));
         } catch (Exception e) {
             logger.error("get all tasks from tasks queue exception",e);
         }
@@ -141,7 +141,7 @@ public class TaskQueueZkImpl implements ITaskQueue {
         try{
             List<String> list = zookeeperOperator.getChildrenKeys(getTasksPath(key));
 
-            if(list != null && list.size() > 0){
+            if(CollectionUtils.isNotEmpty(list)){
 
                 String workerIp = OSUtils.getHost();
                 String workerIpLongStr = String.valueOf(IpUtils.ipToLong(workerIp));

dolphinscheduler-service/src/test/java/org/apache/dolphinscheduler/service/queue/TaskQueueZKImplTest.java

@@ -58,11 +58,11 @@ public class TaskQueueZKImplTest extends BaseTaskQueueTest  {
         init();
         // get all
         List<String> allTasks = tasksQueue.getAllTasks(Constants.DOLPHINSCHEDULER_TASKS_QUEUE);
-        assertEquals(allTasks.size(),2);
+        assertEquals(2, allTasks.size());
         //delete all
         tasksQueue.delete();
         allTasks = tasksQueue.getAllTasks(Constants.DOLPHINSCHEDULER_TASKS_QUEUE);
-        assertEquals(allTasks.size(),0);
+        assertEquals(0, allTasks.size());
     }
     @Test
     public void hasTask(){
@@ -126,10 +126,10 @@ public class TaskQueueZKImplTest extends BaseTaskQueueTest  {
         //add
         init();
         List<String> taskList = tasksQueue.poll(Constants.DOLPHINSCHEDULER_TASKS_QUEUE, 2);
-        assertEquals(taskList.size(),2);
+        assertEquals(2, taskList.size());
 
-        assertEquals(taskList.get(0),"0_1_1_1_-1");
-        assertEquals(taskList.get(1),"1_0_1_1_-1");
+        assertEquals("0_1_1_1_-1", taskList.get(0));
+        assertEquals("1_0_1_1_-1", taskList.get(1));
     }
 
     /**
@@ -153,7 +153,7 @@ public class TaskQueueZKImplTest extends BaseTaskQueueTest  {
         String task = "1_0_1_1_-1";
         tasksQueue.sadd(Constants.DOLPHINSCHEDULER_TASKS_QUEUE,task);
         //check size
-        assertEquals(tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size(),1);
+        assertEquals(1, tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size());
     }
 
 
@@ -166,10 +166,10 @@ public class TaskQueueZKImplTest extends BaseTaskQueueTest  {
         String task = "1_0_1_1_-1";
         tasksQueue.sadd(Constants.DOLPHINSCHEDULER_TASKS_QUEUE,task);
         //check size
-        assertEquals(tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size(),1);
+        assertEquals(1, tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size());
         //remove and get size
         tasksQueue.srem(Constants.DOLPHINSCHEDULER_TASKS_QUEUE,task);
-        assertEquals(tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size(),0);
+        assertEquals(0, tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size());
     }
 
     /**
@@ -179,17 +179,17 @@ public class TaskQueueZKImplTest extends BaseTaskQueueTest  {
     public void smembers(){
 
         //first init
-        assertEquals(tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size(),0);
+        assertEquals(0, tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size());
         //add
         String task = "1_0_1_1_-1";
         tasksQueue.sadd(Constants.DOLPHINSCHEDULER_TASKS_QUEUE,task);
         //check size
-        assertEquals(tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size(),1);
+        assertEquals(1, tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size());
         //add
         task = "0_1_1_1_";
         tasksQueue.sadd(Constants.DOLPHINSCHEDULER_TASKS_QUEUE,task);
         //check size
-        assertEquals(tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size(),2);
+        assertEquals(2, tasksQueue.smembers(Constants.DOLPHINSCHEDULER_TASKS_QUEUE).size());
     }
 
 
@@ -222,7 +222,7 @@ public class TaskQueueZKImplTest extends BaseTaskQueueTest  {
         }
 
         String node1 = tasksQueue.poll(Constants.DOLPHINSCHEDULER_TASKS_QUEUE, 1).get(0);
-        assertEquals(node1,"0");
+        assertEquals("0", node1);
 
     }