Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Data.Entity/System/Data/Spatial/DbSpatialDataReader.cs

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+//---------------------------------------------------------------------
+// <copyright file="IDbSpatialDataReader.cs" company="Microsoft">
+//      Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//
+// @owner  willa
+// @backupOwner [....]
+//---------------------------------------------------------------------
+
+namespace System.Data.Spatial
+{
+    /// <summary>
+    /// A provider-independent service API for geospatial (Geometry/Geography) type support.
+    /// </summary>
+    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "Db")]
+    public abstract class DbSpatialDataReader
+    {
+        /// <summary>
+        /// When implemented in derived types, reads an instance of <see cref="DbGeography"/> from the column at the specified column ordinal. 
+        /// </summary>
+        /// <param name="ordinal">The ordinal of the column that contains the geography value</param>
+        /// <returns>The instance of DbGeography at the specified column value</returns>
+        public abstract DbGeography GetGeography(int ordinal);
+
+        /// <summary>
+        /// When implemented in derived types, reads an instance of <see cref="DbGeometry"/> from the column at the specified column ordinal. 
+        /// </summary>
+        /// <param name="ordinal">The ordinal of the data record column that contains the provider-specific geometry data</param>
+        /// <returns>The instance of DbGeometry at the specified column value</returns>
+        public abstract DbGeometry GetGeometry(int ordinal);
+    }
+}