jerryshao commented on code in PR #10189:
URL: https://github.com/apache/gravitino/pull/10189#discussion_r2894027954
##########
common/src/main/java/org/apache/gravitino/dto/policy/PolicyContentDTO.java:
##########
@@ -69,4 +75,133 @@ public Map<String, String> properties() {
return properties;
}
}
+
+ /** Represents a typed iceberg compaction policy content DTO. */
+ @EqualsAndHashCode
+ @ToString
+ @Builder(setterPrefix = "with")
+ @AllArgsConstructor(access = lombok.AccessLevel.PRIVATE)
+ class IcebergCompactionContentDTO implements PolicyContentDTO {
+
+ @JsonProperty("minDataFileMse")
+ @JsonAlias("minDatafileMse")
+ private Long minDataFileMse;
+
+ @JsonProperty("minDeleteFileNumber")
+ private Long minDeleteFileNumber;
+
+ @JsonProperty("dataFileMseWeight")
+ @JsonAlias("datafileMseWeight")
+ private Long dataFileMseWeight;
+
+ @JsonProperty("deleteFileNumberWeight")
+ private Long deleteFileNumberWeight;
+
+ @JsonProperty("maxPartitionNum")
+ private Long maxPartitionNum;
+
+ @JsonProperty("rewriteOptions")
+ private Map<String, String> rewriteOptions;
+
+ // Default constructor for Jackson deserialization only.
+ private IcebergCompactionContentDTO() {}
+
+ /**
+ * Returns the minimum threshold for custom-data-file-mse metric.
+ *
+ * @return minimum data file MSE threshold
+ */
+ public Long minDataFileMse() {
+ return minDataFileMse == null
+ ? IcebergCompactionContent.DEFAULT_MIN_DATA_FILE_MSE
+ : minDataFileMse;
+ }
+
+ /**
+ * Returns the minimum threshold for custom-delete-file-number metric.
+ *
+ * @return minimum delete file number threshold
+ */
+ public Long minDeleteFileNumber() {
+ return minDeleteFileNumber == null
+ ? IcebergCompactionContent.DEFAULT_MIN_DELETE_FILE_NUMBER
+ : minDeleteFileNumber;
+ }
+
+ /**
+ * Returns the weight for custom-data-file-mse metric in score expression.
+ *
+ * @return data file MSE score weight
+ */
+ public Long dataFileMseWeight() {
+ return dataFileMseWeight == null
+ ? IcebergCompactionContent.DEFAULT_DATA_FILE_MSE_WEIGHT
+ : dataFileMseWeight;
+ }
+
+ /**
+ * Returns the weight for custom-delete-file-number metric in score
expression.
+ *
+ * @return delete file number score weight
+ */
+ public Long deleteFileNumberWeight() {
+ return deleteFileNumberWeight == null
+ ? IcebergCompactionContent.DEFAULT_DELETE_FILE_NUMBER_WEIGHT
+ : deleteFileNumberWeight;
+ }
+
+ /**
+ * Returns max partition number selected for compaction.
+ *
+ * @return max partition number
+ */
+ public Long maxPartitionNum() {
+ return maxPartitionNum == null
+ ? IcebergCompactionContent.DEFAULT_MAX_PARTITION_NUM
+ : maxPartitionNum;
+ }
+
+ /**
+ * Returns rewrite options expanded to job.options.* during rule
generation.
+ *
+ * @return rewrite options map
+ */
+ public Map<String, String> rewriteOptions() {
+ return rewriteOptions == null
+ ? IcebergCompactionContent.DEFAULT_REWRITE_OPTIONS
+ : Collections.unmodifiableMap(new LinkedHashMap<>(rewriteOptions));
+ }
+
+ @Override
+ public Set<MetadataObject.Type> supportedObjectTypes() {
+ return ImmutableSet.of(
+ MetadataObject.Type.CATALOG, MetadataObject.Type.SCHEMA,
MetadataObject.Type.TABLE);
Review Comment:
`supportedObjectTypes()` duplicates
`IcebergCompactionContent.SUPPORTED_OBJECT_TYPES` directly. The delegation
pattern is already established via `toDomainContent()` for `properties()`,
`rules()`, and `validate()` — `supportedObjectTypes()` should follow the same
pattern:
```java
@Override
public Set<MetadataObject.Type> supportedObjectTypes() {
return toDomainContent().supportedObjectTypes();
}
```
This ensures a single source of truth: if supported types ever expand (e.g.
adding `FILESET`), only `IcebergCompactionContent.SUPPORTED_OBJECT_TYPES` needs
updating.
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