Merge pull request #59 from WhaleOps/inner/stopable

[Improvement]Add a stop function when workflow is ready pause status

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ExecutorServiceImpl.java

@@ -455,11 +455,15 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
         boolean checkResult = false;
         switch (executeType) {
             case PAUSE:
-            case STOP:
                 if (executionStatus.typeIsRunning()) {
                     checkResult = true;
                 }
                 break;
+            case STOP:
+                if (executionStatus.canStop()) {
+                    checkResult = true;
+                }
+                break;
             case REPEAT_RUNNING:
                 if (executionStatus.typeIsFinished()) {
                     checkResult = true;

dolphinscheduler-task-plugin/dolphinscheduler-task-api/src/main/java/org/apache/dolphinscheduler/plugin/task/api/enums/ExecutionStatus.java

@@ -203,4 +203,8 @@ public enum ExecutionStatus {
     public static int[] getNeedFailoverWorkflowInstanceState() {
         return NEED_FAILOVER_STATES;
     }
+
+    public boolean canStop() {
+        return typeIsRunning() || this == READY_PAUSE;
+    }
 }