roryqi commented on code in PR #13801:
URL: https://github.com/apache/gravitino/pull/13801#discussion_r4280638758


##########
api/src/main/java/org/apache/gravitino/policy/AbstractExecutablePolicyContent.java:
##########
@@ -0,0 +1,111 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.gravitino.policy;
+
+import com.fasterxml.jackson.annotation.JsonUnwrapped;
+import java.util.Objects;
+import javax.annotation.Nullable;
+
+/**
+ * Base for built-in Iceberg maintenance policy contents that carry optional 
execution peers.
+ *
+ * <p>Peers are supplied at construction as an immutable {@link 
PolicyExecutionSpec}. Subclasses
+ * keep strategy fields separate and pass the spec through {@link
+ * #AbstractExecutablePolicyContent(PolicyExecutionSpec)}. Persisted JSON 
keeps peer keys flat via
+ * {@link JsonUnwrapped}.
+ */
+public abstract class AbstractExecutablePolicyContent implements 
ExecutablePolicyContent {
+
+  @JsonUnwrapped private final PolicyExecutionSpec executionSpec;

Review Comment:
   Please do not introduce `@JsonUnwrapped` here. Gravitino currently has no 
precedent for this annotation, and it couples the public API domain model to a 
specific persistence JSON layout. Please follow the existing DTO/converter 
pattern: keep `PolicyExecutionSpec` Jackson-independent, flatten the execution 
fields explicitly in `PolicyContentDTO` or the persistence representation, and 
reconstruct the spec in `DTOConverters` or `POConverters`. The new Jackson 
dependency in the `api` module should then be removed as well.



##########
common/src/main/java/org/apache/gravitino/dto/policy/PolicyContentDTO.java:
##########
@@ -85,10 +134,10 @@ public Map<String, String> properties() {
 
   /** Represents a typed iceberg compaction policy content DTO. */
   @EqualsAndHashCode
-  @ToString
+  @ToString(exclude = {"jobOptions", "updateOptions"})

Review Comment:
   The redaction is incomplete: `rewriteOptions` is still rendered by both this 
Lombok-generated `toString()` and `IcebergDataCompactionContent.toString()`. 
Sensitive-key rejection is explicitly deferred, and the design now includes 
`rewriteOptions` among the bags that must reject credential-shaped keys, so an 
accidentally supplied credential can still be exposed in logs. Please exclude 
or redact `rewriteOptions` as well (keys/count only, no values).



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