ceph/src/arrow/java/gandiva/src/main/java/org/apache/arrow/gandiva/expression/DecimalNode.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.expression;
  19
  20 import org.apache.arrow.gandiva.exceptions.GandivaException;
  21 import org.apache.arrow.gandiva.ipc.GandivaTypes;
  22
  23 /**
  24  * Used to represent expression tree nodes representing decimal constants.
  25  * Used in the expression (x + 5.0)
  26  */
  27 class DecimalNode implements TreeNode {
  28   private final String value;
  29   private final int precision;
  30   private final int scale;
  31
  32   DecimalNode(String value, int precision, int scale) {
  33     this.value = value;
  34     this.precision = precision;
  35     this.scale = scale;
  36   }
  37
  38   @Override
  39   public GandivaTypes.TreeNode toProtobuf() throws GandivaException {
  40     GandivaTypes.DecimalNode.Builder decimalNode = GandivaTypes.DecimalNode.newBuilder();
  41     decimalNode.setValue(value);
  42     decimalNode.setPrecision(precision);
  43     decimalNode.setScale(scale);
  44
  45     GandivaTypes.TreeNode.Builder builder = GandivaTypes.TreeNode.newBuilder();
  46     builder.setDecimalNode(decimalNode.build());
  47     return builder.build();
  48   }
  49 }