ceph/src/arrow/csharp/src/Apache.Arrow/Types/ListType.cs

   1 // Licensed to the Apache Software Foundation (ASF) under one or more
   2 // contributor license agreements. See the NOTICE file distributed with
   3 // this work for additional information regarding copyright ownership.
   4 // The ASF licenses this file to You under the Apache License, Version 2.0
   5 // (the "License"); you may not use this file except in compliance with
   6 // the License.  You may obtain a copy of the License at
   7 //
   8 //     http://www.apache.org/licenses/LICENSE-2.0
   9 //
  10 // Unless required by applicable law or agreed to in writing, software
  11 // distributed under the License is distributed on an "AS IS" BASIS,
  12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 // See the License for the specific language governing permissions and
  14 // limitations under the License.
  15
  16 using System;
  17
  18 namespace Apache.Arrow.Types
  19 {
  20     public sealed class ListType : NestedType
  21     {
  22         public override ArrowTypeId TypeId => ArrowTypeId.List;
  23         public override string Name => "list";
  24
  25         public Field ValueField => Fields[0];
  26
  27         public IArrowType ValueDataType => Fields[0].DataType;
  28
  29         public ListType(Field valueField)
  30            : base(valueField) { }
  31
  32         public ListType(IArrowType valueDataType)
  33             : this(new Field("item", valueDataType, true)) { }
  34
  35         public override void Accept(IArrowTypeVisitor visitor) => Accept(this, visitor);
  36     }
  37 }