exec/java-exec/src/main/java/org/apache/drill/exec/vector/allocator/VariableEstimatedVector.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

/**
 * 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.vector.allocator;

import org.apache.drill.exec.vector.VariableWidthVector;

public class VariableEstimatedVector extends VectorAllocator{
  VariableWidthVector out;
  int avgWidth;

  public VariableEstimatedVector(VariableWidthVector out, int avgWidth) {
    super();
    this.out = out;
    this.avgWidth = avgWidth;
  }

  public void alloc(int recordCount){
    out.allocateNew(avgWidth * recordCount, recordCount);
  }

  @Override
  public String toString() {
    return "VariableEstimatedVector [out=" + out + ", valueCapacity" + out.getValueCapacity() + ", bytesCapacity" + out.getByteCapacity() + "]";
  }

}