rmahindra123 commented on code in PR #8514:
URL: https://github.com/apache/hudi/pull/8514#discussion_r1177386451
##########
hudi-utilities/src/main/java/org/apache/hudi/utilities/transform/ChainedTransformer.java:
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@@ -19,24 +19,73 @@
package org.apache.hudi.utilities.transform;
import org.apache.hudi.common.config.TypedProperties;
+import org.apache.hudi.common.util.ReflectionUtils;
+import org.apache.hudi.common.util.StringUtils;
+import org.apache.hudi.common.util.collection.Pair;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.sql.Dataset;
import org.apache.spark.sql.Row;
import org.apache.spark.sql.SparkSession;
+import java.util.ArrayList;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
import java.util.stream.Collectors;
/**
* A {@link Transformer} to chain other {@link Transformer}s and apply
sequentially.
*/
public class ChainedTransformer implements Transformer {
- private List<Transformer> transformers;
+ // Delimiter used to separate class name and the property key suffix. The
suffix comes first.
+ private static final String TRANSFORMER_CLASS_NAME_KEY_SUFFIX_DELIMITER =
":";
+
+ private final List<Transformer> transformers;
+ private final Map<Transformer, String> transformerToPropKeySuffix;
Review Comment:
can we use Map<String, Transformer> instead and rename the
transformerToPropKeySuffix -> transformers.
And the current constructor can just call new constructor?
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