snleee commented on a change in pull request #6094:
URL: https://github.com/apache/incubator-pinot/pull/6094#discussion_r501258061



##########
File path: 
pinot-core/src/main/java/org/apache/pinot/core/segment/processing/framework/SegmentProcessorFramework.java
##########
@@ -187,6 +203,38 @@ public void processSegments()
         Arrays.toString(_outputSegmentsDir.list()));
   }
 
+  private SegmentNameGenerator getSegmentNameGenerator(TableConfig 
tableConfig, Schema schema,
+      SegmentConfig segmentConfig) {
+    String rawTableName = 
TableNameBuilder.extractRawTableName(tableConfig.getTableName());
+    String segmentNameGeneratorType = 
segmentConfig.getSegmentNameGeneratorType();
+    if (segmentNameGeneratorType == null) {
+      segmentNameGeneratorType = SIMPLE_SEGMENT_NAME_GENERATOR;
+    }
+
+    switch (segmentNameGeneratorType) {
+      case SIMPLE_SEGMENT_NAME_GENERATOR:
+        return new SimpleSegmentNameGenerator(rawTableName, 
segmentConfig.getSegmentPostfix());
+      case NORMALIZED_DATE_SEGMENT_NAME_GENERATOR:
+        Preconditions.checkState(tableConfig != null,
+            "In order to use NormalizedDateSegmentNameGenerator, table config 
must be provided");

Review comment:
       Actually, this check is unnecessary. I removed the precondition block. 
When generating the `SegmentProcessorConfig`, there's a validation that 
enforces to always have `tableConfig` and `schema`.




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