/*
 * 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
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 */

package org.apache.kylin.engine.spark.job.stage.build

import org.apache.kylin.engine.spark.job.SegmentJob
import org.apache.kylin.engine.spark.job.stage.BuildParam
import org.apache.kylin.metadata.cube.model.NDataSegment

class RefreshColumnBytes(jobContext: SegmentJob, dataSegment: NDataSegment, buildParam: BuildParam)
  extends BuildStage(jobContext, dataSegment, buildParam) {

  override def execute(): Unit = {
    // Refresh column bytes.
    tryRefreshColumnBytes()
    // By design, refresh layout bucket-num mapping.
    // Bucket here is none business of multi-level partition.
    tryRefreshBucketMapping()
    // Drain results, shutdown pool, cleanup extra immediate outputs.
    cleanup()
    logInfo(s"Finished SEGMENT $segmentId")
  }

  override def getStageName: String = "RefreshColumnBytes"
}
