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A table format for huge analytic datasets

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/*
 * 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;

/**
 * An action that migrates an existing table to Iceberg.
 */
public interface MigrateTable extends Action {
  /**
   * Sets table properties in the newly created Iceberg table. Any properties with
   * the same key name will be overwritten.
   *
   * @param properties a map of properties to set
   * @return this for method chaining
   */
  MigrateTable tableProperties(Map properties);

  /**
   * Sets a table property in the newly created Iceberg table. Any properties
   * with the same key will be overwritten.
   *
   * @param name a table property name
   * @param value a table property value
   * @return this for method chaining
   */
  MigrateTable tableProperty(String name, String value);

  /**
   * The action result that contains a summary of the execution.
   */
  interface Result {
    /**
     * Returns the number of migrated data files.
     */
    long migratedDataFilesCount();
  }
}