CalvinKirs commented on code in PR #2301:
URL: 
https://github.com/apache/incubator-seatunnel/pull/2301#discussion_r935160118


##########
seatunnel-engine/seatunnel-engine-client/src/main/java/org/apache/seatunnel/engine/client/JobConfigParser.java:
##########
@@ -211,43 +230,57 @@ private void initRelationMap(List<? extends Config> 
sourceConfigs, List<? extend
      * |
      * Sink
      */
-    private List<Action> sampleAnalyze(List<? extends Config> sourceConfigs,
-                                       List<? extends Config> transformConfigs,
-                                       List<? extends Config> sinkConfigs) {
-        SeaTunnelSource seaTunnelSource = 
ConnectorInstanceLoader.loadSourceInstance(sourceConfigs.get(0));
+    private void sampleAnalyze(List<? extends Config> sourceConfigs,
+                               List<? extends Config> transformConfigs,
+                               List<? extends Config> sinkConfigs) {
+        ImmutablePair<SeaTunnelSource, List<URL>> pair =
+            ConnectorInstanceLoader.loadSourceInstance(sourceConfigs.get(0));
         SourceAction sourceAction =
-            new SourceAction(idGenerator.getNextId(), 
seaTunnelSource.getPluginName(), seaTunnelSource);
+            createSourceAction(idGenerator.getNextId(), 
pair.getLeft().getPluginName(), pair.getLeft(),
+                pair.getRight());
         
sourceAction.setParallelism(getSourceParallelism(sourceConfigs.get(0)));
+
+        ImmutablePair<SeaTunnelSink<SeaTunnelRow, Serializable, Serializable, 
Serializable>, List<URL>>
+            sinkListImmutablePair;
+
         if (transformConfigs.size() != 0) {
-            SeaTunnelTransform seaTunnelTransform =
+            ImmutablePair<SeaTunnelTransform, List<URL>> 
transformListImmutablePair =
                 
ConnectorInstanceLoader.loadTransformInstance(transformConfigs.get(0));
-            TransformAction transformAction = new TransformAction(
+
+            TransformAction transformAction = createTransformAction(
                 idGenerator.getNextId(),
-                seaTunnelTransform.getPluginName(),
+                transformListImmutablePair.getLeft().getPluginName(),
                 Lists.newArrayList(sourceAction),
-                seaTunnelTransform);
+                transformListImmutablePair.getLeft(),
+                transformListImmutablePair.getRight());
 
-            initTransformParallelism(transformConfigs, sourceAction, 
seaTunnelTransform, transformAction);
+            initTransformParallelism(transformConfigs, sourceAction, 
transformListImmutablePair.getLeft(),
+                transformAction);
 
-            SeaTunnelSink seaTunnelSink = 
ConnectorInstanceLoader.loadSinkInstance(sinkConfigs.get(0));
-            SinkAction sinkAction = new SinkAction(
+            sinkListImmutablePair = 
ConnectorInstanceLoader.loadSinkInstance(sinkConfigs.get(0));
+
+            SinkAction sinkAction = createSinkAction(
                 idGenerator.getNextId(),
-                seaTunnelSink.getPluginName(),
+                sinkListImmutablePair.getLeft().getPluginName(),
                 Lists.newArrayList(transformAction),
-                seaTunnelSink
+                sinkListImmutablePair.getLeft(),
+                sinkListImmutablePair.getRight()
             );
             sinkAction.setParallelism(transformAction.getParallelism());
-            return Lists.newArrayList(sinkAction);
+            actions.add(sinkAction);
         } else {

Review Comment:
   We can return directly, so no `else` judgment is needed.



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