[GitHub] [iceberg] chenjunjiedada commented on a change in pull request #2841: API: add an action API for rewrite deletes

[GitBox <gi...@apache.org>]

chenjunjiedada commented on a change in pull request #2841:
URL: https://github.com/apache/iceberg/pull/2841#discussion_r709264246



##########
File path: core/src/main/java/org/apache/iceberg/actions/RewriteDeleteStrategy.java
##########
@@ -0,0 +1,76 @@
+/*
+ * 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.iceberg.actions;
+
+import java.util.Map;
+import java.util.Set;
+import org.apache.iceberg.DeleteFile;
+import org.apache.iceberg.FileScanTask;
+import org.apache.iceberg.Table;
+
+public interface RewriteDeleteStrategy {
+
+  /**
+   * Returns the name of this rewrite deletes strategy
+   */
+  String name();
+
+  /**
+   * Returns the table being modified by this rewrite strategy
+   */
+  Table table();
+
+  /**
+   * Select the deletes to rewrite.
+   *
+   * @param dataFiles iterable of FileScanTasks for data files in a given partition
+   * @return iterable of original delete file to be replaced.
+   */
+  Iterable<DeleteFile> selectDeletesToRewrite(Iterable<FileScanTask> dataFiles);

Review comment:
       This was discussed in https://github.com/apache/iceberg/pull/2841#discussion_r672569391. It is in order to align with `RewriteStrategy`.




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