Added check of instance status before running example 4

Author: annahileta

src/main/java/com/docusign/controller/maestro/examples/Mae004CancelWorkflowInstanceController.java

@@ -18,6 +18,8 @@
 @Controller
 @RequestMapping("/mae004")
 public class Mae004CancelWorkflowInstanceController extends AbstractMaestroController {
+    public static final String IN_PROGRESS = "In Progress";
+
     private static final String MODEL_IS_WORKFLOW_ID_PRESENT = "isWorkflowIdPresent";
 
     public static final String NO_WORKFLOW_INSTANCE_AVAILABLE_TO_CANCEL = "No workflow instance available to cancel.";
@@ -48,6 +50,15 @@ protected Object doWork(
             throw new IllegalStateException(NO_WORKFLOW_INSTANCE_AVAILABLE_TO_CANCEL);
         }
 
+        var workflowInstance = CancelWorkflowInstanceService.GetWorkflowInstanceStatus(client,
+                accountId,
+                workflowId,
+                instanceId);
+
+        if(!workflowInstance.workflowInstance().get().workflowStatus().get().equals(IN_PROGRESS)) {
+            throw new IllegalStateException(getTextForCodeExampleByApiType().CustomErrorTexts.get(2).ErrorMessage);
+        }
+
         var paused = CancelWorkflowInstanceService.CancelMaestroWorkflowInstance(
                 client,
                 accountId,

src/main/java/com/docusign/controller/maestro/services/CancelWorkflowInstanceService.java

@@ -12,4 +12,13 @@ public static CancelWorkflowInstanceResponse CancelMaestroWorkflowInstance(
         return client.maestro().workflowInstanceManagement()
                 .cancelWorkflowInstance(accountId, workflowId, instanceId);
     }
+
+    public static GetWorkflowInstanceResponse GetWorkflowInstanceStatus(
+            IamClient client,
+            String accountId,
+            String workflowId,
+            String instanceId) throws Exception {
+        return client.maestro().workflowInstanceManagement()
+                .getWorkflowInstance(accountId, workflowId, instanceId);
+    }
 }