Technoboy- commented on a change in pull request #3764:
URL: 
https://github.com/apache/incubator-dolphinscheduler/pull/3764#discussion_r490889287



##########
File path: 
dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProcessDefinitionServiceImpl.java
##########
@@ -232,25 +232,14 @@
      * @return resource ids
      */
     private String getResourceIds(ProcessData processData) {
-        List<TaskNode> tasks = processData.getTasks();
-        Set<Integer> resourceIds = new HashSet<>();
-        for (TaskNode taskNode : tasks) {
-            String taskParameter = taskNode.getParams();
-            AbstractParameters params = 
TaskParametersUtils.getParameters(taskNode.getType(), taskParameter);
-            if (CollectionUtils.isNotEmpty(params.getResourceFilesList())) {
-                Set<Integer> tempSet = 
params.getResourceFilesList().stream().map(t -> 
t.getId()).collect(Collectors.toSet());
-                resourceIds.addAll(tempSet);
-            }
-        }
-
-        StringBuilder sb = new StringBuilder();
-        for (int i : resourceIds) {
-            if (sb.length() > 0) {
-                sb.append(",");
-            }
-            sb.append(i);
-        }
-        return sb.toString();
+        return processData.getTasks()
+                .stream()
+                .map(taskNode -> 
TaskParametersUtils.getParameters(taskNode.getType(), taskNode.getParams()))
+                .filter(Objects::nonNull)

Review comment:
       Filter here is for - AbstractParameters.  not for 
params.getResourceFilesList(). please check.




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