[GitHub] [hudi] nsivabalan commented on a change in pull request #3651: [HUDI-2422] Adding rollback plan to rollback requested instant

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nsivabalan commented on a change in pull request #3651:
URL: https://github.com/apache/hudi/pull/3651#discussion_r706988972



##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/rollback/BaseRollbackPlanActionExecutor.java
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@@ -0,0 +1,123 @@
+/*
+ * 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.hudi.table.action.rollback;
+
+import org.apache.hudi.avro.model.HoodieInstantInfo;
+import org.apache.hudi.avro.model.HoodieListingBasedRollbackRequest;
+import org.apache.hudi.avro.model.HoodieRollbackPlan;
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.common.model.HoodieRecordPayload;
+import org.apache.hudi.common.table.timeline.HoodieInstant;
+import org.apache.hudi.common.table.timeline.HoodieTimeline;
+import org.apache.hudi.common.table.timeline.TimelineMetadataUtils;
+import org.apache.hudi.common.util.Option;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieIOException;
+import org.apache.hudi.table.HoodieTable;
+import org.apache.hudi.table.action.BaseActionExecutor;
+import org.apache.hudi.table.marker.MarkerBasedRollbackUtils;
+
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+
+public abstract class BaseRollbackPlanActionExecutor<T extends HoodieRecordPayload, I, K, O> extends BaseActionExecutor<T, I, K, O, Option<HoodieRollbackPlan>> {
+
+  private static final Logger LOG = LogManager.getLogger(BaseRollbackPlanActionExecutor.class);
+
+  protected final HoodieInstant instantToRollback;
+  private final boolean skipTimelinePublish;
+
+  public static final Integer ROLLBACK_PLAN_VERSION_1 = 1;
+  public static final Integer LATEST_ROLLBACK_PLAN_VERSION = ROLLBACK_PLAN_VERSION_1;

Review comment:
       Haven't added any migration steps yet since this is first version. Please advise me on how to go about this. 




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