Package org.apache.drill.exec.physical.impl.sort

Source Code of org.apache.drill.exec.physical.impl.sort.RecordBatchData

/**
* 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.drill.exec.physical.impl.sort;

import java.util.List;

import org.apache.drill.exec.record.BatchSchema.SelectionVectorMode;
import org.apache.drill.exec.record.RecordBatch;
import org.apache.drill.exec.record.TransferPair;
import org.apache.drill.exec.record.VectorWrapper;
import org.apache.drill.exec.record.selection.SelectionVector2;
import org.apache.drill.exec.vector.ValueVector;

import com.google.common.collect.Lists;

/**
* Holds the data for a particular record batch for later manipulation.
*/
public class RecordBatchData {
  static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(RecordBatchData.class);
 
  final List<ValueVector> vectors = Lists.newArrayList();
  final SelectionVector2 sv2;
  final int recordCount;
 
  public RecordBatchData(RecordBatch batch){
    this.sv2 = batch.getSchema().getSelectionVectorMode() == SelectionVectorMode.TWO_BYTE ? batch.getSelectionVector2().clone() : null;
   
    for(VectorWrapper<?> v : batch){
      if(v.isHyper()) throw new UnsupportedOperationException("Record batch data can't be created based on a hyper batch.");
      TransferPair tp = v.getValueVector().getTransferPair();
      tp.transfer();
      vectors.add(tp.getTo());
    }
   
    recordCount = batch.getRecordCount();
  }
 
  public int getRecordCount(){
    return recordCount;
  }
  public List<ValueVector> getVectors() {
    return vectors;
  }

  public SelectionVector2 getSv2() {
    return sv2;
  }
}
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