ceph/src/arrow/java/gandiva/src/main/java/org/apache/arrow/gandiva/evaluator/SelectionVectorInt32.java

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one or more
   3  * contributor license agreements.  See the NOTICE file distributed with
   4  * this work for additional information regarding copyright ownership.
   5  * The ASF licenses this file to You under the Apache License, Version 2.0
   6  * (the "License"); you may not use this file except in compliance with
   7  * the License.  You may obtain a copy of the License at
   8  *
   9  *    http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package org.apache.arrow.gandiva.evaluator;
  19
  20 import org.apache.arrow.gandiva.ipc.GandivaTypes.SelectionVectorType;
  21 import org.apache.arrow.memory.ArrowBuf;
  22
  23 /**
  24  * Selection vector with records of arrow type INT32.
  25  */
  26 public class SelectionVectorInt32 extends SelectionVector {
  27
  28   public SelectionVectorInt32(ArrowBuf buffer) {
  29     super(buffer);
  30   }
  31
  32   @Override
  33   public int getRecordSize() {
  34     return 4;
  35   }
  36
  37   @Override
  38   public SelectionVectorType getType() {
  39     return SelectionVectorType.SV_INT32;
  40   }
  41
  42   @Override
  43   public int getIndex(int index) {
  44     checkReadBounds(index);
  45
  46     return getBuffer().getInt(index * getRecordSize());
  47   }
  48 }