import quincy 17.2.0

[ceph.git] / ceph / src / arrow / csharp / src / Apache.Arrow / Types / ListType.cs

diff --git a/ceph/src/arrow/csharp/src/Apache.Arrow/Types/ListType.cs b/ceph/src/arrow/csharp/src/Apache.Arrow/Types/ListType.cs
new file mode 100644 (file)
index 0000000..a006c22
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+++ b/ceph/src/arrow/csharp/src/Apache.Arrow/Types/ListType.cs
@@ -0,0 +1,37 @@
+// 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.
+
+using System;
+
+namespace Apache.Arrow.Types
+{
+    public sealed class ListType : NestedType
+    {
+        public override ArrowTypeId TypeId => ArrowTypeId.List;
+        public override string Name => "list";
+
+        public Field ValueField => Fields[0];
+
+        public IArrowType ValueDataType => Fields[0].DataType;
+
+        public ListType(Field valueField)
+           : base(valueField) { }
+
+        public ListType(IArrowType valueDataType)
+            : this(new Field("item", valueDataType, true)) { }
+
+        public override void Accept(IArrowTypeVisitor visitor) => Accept(this, visitor);
+    }
+}