Remove ScheduleUtil，use the existing CronUtils

CronUtils is a public quartz tools, then the project dolphinscheduler-api can remove dolphinscheduler-server

dolphinscheduler-api/pom.xml

@@ -43,10 +43,6 @@
       <groupId>org.apache.dolphinscheduler</groupId>
       <artifactId>dolphinscheduler-dao</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.apache.dolphinscheduler</groupId>
-      <artifactId>dolphinscheduler-server</artifactId>
-    </dependency>
 
     <!--springboot-->
     <dependency>

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

@@ -30,7 +30,8 @@ import org.apache.dolphinscheduler.dao.entity.*;
 import org.apache.dolphinscheduler.dao.mapper.ProcessDefinitionMapper;
 import org.apache.dolphinscheduler.dao.mapper.ProcessInstanceMapper;
 import org.apache.dolphinscheduler.dao.mapper.ProjectMapper;
-import org.apache.dolphinscheduler.server.utils.ScheduleUtils;
+import org.apache.dolphinscheduler.dao.utils.cron.CronUtils;
+import org.quartz.CronExpression;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -512,8 +513,15 @@ public class ExecutorService extends BaseService{
                     List<Date> listDate = new LinkedList<>();
                     if(!CollectionUtils.isEmpty(schedules)){
                         for (Schedule item : schedules) {
-                            List<Date> list = ScheduleUtils.getRecentTriggerTime(item.getCrontab(), start, end);
-                            listDate.addAll(list);
+                            CronExpression cronExpression = null;
+                            try {
+                                cronExpression = CronUtils.parse2CronExpression(item.getCrontab());
+                                List<Date> list = CronUtils.getSelfFireDateList(start, end, cronExpression);
+                                listDate.addAll(list);
+                            } catch (ParseException e) {
+                                logger.error(e.getMessage(), e);
+                                continue;
+                            }
                         }
                     }
                     if(!CollectionUtils.isEmpty(listDate)){

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterExecThread.java

@@ -33,14 +33,16 @@ import org.apache.dolphinscheduler.dao.entity.ProcessInstance;
 import org.apache.dolphinscheduler.dao.entity.Schedule;
 import org.apache.dolphinscheduler.dao.entity.TaskInstance;
 import org.apache.dolphinscheduler.dao.utils.DagHelper;
+import org.apache.dolphinscheduler.dao.utils.cron.CronUtils;
 import org.apache.dolphinscheduler.server.master.config.MasterConfig;
 import org.apache.dolphinscheduler.server.utils.AlertManager;
-import org.apache.dolphinscheduler.server.utils.ScheduleUtils;
+import org.quartz.CronExpression;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.IOException;
+import java.text.ParseException;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
@@ -213,8 +215,15 @@ public class MasterExecThread implements Runnable {
         List<Date> listDate = Lists.newLinkedList();
         if(!CollectionUtils.isEmpty(schedules)){
             for (Schedule schedule : schedules) {
-                List<Date> list = ScheduleUtils.getRecentTriggerTime(schedule.getCrontab(), startDate, endDate);
-                listDate.addAll(list);
+                CronExpression cronExpression = null;
+                try {
+                    cronExpression = CronUtils.parse2CronExpression(schedule.getCrontab());
+                    List<Date> list = CronUtils.getSelfFireDateList(startDate, endDate, cronExpression);
+                    listDate.addAll(list);
+                } catch (ParseException e) {
+                    logger.error(e.getMessage(), e);
+                    continue;
+                }
             }
         }
         // get first fire date

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/utils/ScheduleUtils.java

@@ -1,79 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.dolphinscheduler.server.utils;
-
-import org.quartz.impl.triggers.CronTriggerImpl;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.text.ParseException;
-import java.util.Date;
-import java.util.LinkedList;
-import java.util.List;
-
-/**
- * ScheduleUtils
- */
-public class ScheduleUtils {
-
-    private static final Logger logger = LoggerFactory.getLogger(ScheduleUtils.class);
-
-    /**
-     * Get the execution time of the time interval
-     * @param cron
-     * @param from
-     * @param to
-     * @return
-     */
-    public static List<Date> getRecentTriggerTime(String cron, Date from, Date to) {
-        return getRecentTriggerTime(cron, Integer.MAX_VALUE, from, to);
-    }
-
-    /**
-     * Get the execution time of the time interval
-     * @param cron
-     * @param size
-     * @param from
-     * @param to
-     * @return
-     */
-    public static List<Date> getRecentTriggerTime(String cron, int size, Date from, Date to) {
-        List list = new LinkedList<Date>();
-        if(to.before(from)){
-            logger.error("schedule date from:{} must before date to:{}!", from, to);
-            return list;
-        }
-        try {
-            CronTriggerImpl trigger = new CronTriggerImpl();
-            trigger.setCronExpression(cron);
-            trigger.setStartTime(from);
-            trigger.setEndTime(to);
-            trigger.computeFirstFireTime(null);
-            for (int i = 0; i < size; i++) {
-                Date schedule = trigger.getNextFireTime();
-                if(null == schedule){
-                    break;
-                }
-                list.add(schedule);
-                trigger.triggered(null);
-            }
-        } catch (ParseException e) {
-            logger.error("cron:{} error:{}", cron, e.getMessage());
-        }
-        return java.util.Collections.unmodifiableList(list);
-    }
-}

dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/utils/ScheduleUtilsTest.java

@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.dolphinscheduler.server.utils;
-
-import org.apache.dolphinscheduler.common.utils.DateUtils;
-import org.junit.Test;
-import java.util.Date;
-import static org.junit.Assert.assertEquals;
-
-/**
- * Test ScheduleUtils
- */
-public class ScheduleUtilsTest {
-
-    /**
-     * Test the getRecentTriggerTime method
-     */
-    @Test
-    public void testGetRecentTriggerTime() {
-        Date from = DateUtils.stringToDate("2020-01-01 00:00:00");
-        Date to = DateUtils.stringToDate("2020-01-31 01:00:00");
-        // test date
-        assertEquals(0, ScheduleUtils.getRecentTriggerTime("0 0 0 * * ? ", to, from).size());
-        // test error cron
-        assertEquals(0, ScheduleUtils.getRecentTriggerTime("0 0 0 * *", from, to).size());
-        // test cron
-        assertEquals(31, ScheduleUtils.getRecentTriggerTime("0 0 0 * * ? ", from, to).size());
-    }
-}

pom.xml

@@ -706,7 +706,6 @@
                         <include>**/server/utils/SparkArgsUtilsTest.java</include>
                         <include>**/server/utils/FlinkArgsUtilsTest.java</include>
                         <include>**/server/utils/ParamUtilsTest.java</include>
-                        <include>**/server/utils/ScheduleUtilsTest.java</include>
                         <include>**/server/master/MasterExecThreadTest.java</include>
                         <include>**/dao/mapper/AccessTokenMapperTest.java</include>
                         <include>**/dao/mapper/AlertGroupMapperTest.java</include>