mcs/class/referencesource/System.Data.Entity/System/Data/Objects/ELinq/SpatialMethodCallTranslator.cs

   1 //---------------------------------------------------------------------
   2 // <copyright file="SpatialMethodCallTranslator" company="Microsoft">
   3 //      Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 //
   6 // @owner       willa
   7 // @backupOwner Microsoft
   8 //--------------------------------------------------------------------------
   9 // This file is automatically generated and should not be changed directly.
  10 //
  11 // See %SDXROOT%\ndp\fx\test\DataEntity\CheckinTests\Metadata\MetadataUnitTests.sln
  12 // for the spatial functions unit test that generates this file.
  13 //
  14 // See %SDXROOT%\ddsuites\src\fx\DataEntity\Spatial\Functions
  15 // for the template for this file.
  16 //
  17 //--------------------------------------------------------------------------
  18
  19 using System.Collections.Generic;
  20 using System.Data.Common.CommandTrees;
  21 using System.Diagnostics;
  22 using System.Linq;
  23 using System.Linq.Expressions;
  24 using System.Reflection;
  25
  26 namespace System.Data.Objects.ELinq
  27 {
  28     internal sealed partial class ExpressionConverter
  29     {
  30         private sealed partial class MethodCallTranslator
  31                 : TypedTranslator<MethodCallExpression>
  32         {
  33
  34             private sealed class SpatialMethodCallTranslator : CallTranslator
  35             {
  36                 private static readonly Dictionary<MethodInfo, string> methodFunctionRenames = GetRenamedMethodFunctions();
  37
  38                 internal SpatialMethodCallTranslator()
  39                     : base(GetSupportedMethods())
  40                 {
  41                 }
  42
  43                 private static MethodInfo GetStaticMethod<TResult>(Expression<Func<TResult>> lambda)
  44                 {
  45                     MethodInfo method = ((MethodCallExpression)lambda.Body).Method;
  46                     Debug.Assert(method.IsStatic && method.IsPublic &&
  47                                  (method.DeclaringType == typeof(System.Data.Spatial.DbGeography) || method.DeclaringType == typeof(System.Data.Spatial.DbGeometry)),
  48                                  "Supported static spatial methods should be public static methods declared by a spatial type");
  49                     return method;
  50                 }
  51
  52                 private static MethodInfo GetInstanceMethod<T, TResult>(Expression<Func<T, TResult>> lambda)
  53                 {
  54                     MethodInfo method = ((MethodCallExpression)lambda.Body).Method;
  55                     Debug.Assert(!method.IsStatic && method.IsPublic &&
  56                                  (method.DeclaringType == typeof(System.Data.Spatial.DbGeography) || method.DeclaringType == typeof(System.Data.Spatial.DbGeometry)),
  57                                  "Supported instance spatial methods should be public instance methods declared by a spatial type");
  58                     return method;
  59                 }
  60
  61
  62                 private static IEnumerable<MethodInfo> GetSupportedMethods()
  63                 {
  64                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.FromText(default(string)));
  65                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.FromText(default(string), default(int)));
  66                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.PointFromText(default(string), default(int)));
  67                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.LineFromText(default(string), default(int)));
  68                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.PolygonFromText(default(string), default(int)));
  69                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiPointFromText(default(string), default(int)));
  70                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiLineFromText(default(string), default(int)));
  71                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiPolygonFromText(default(string), default(int)));
  72                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.GeographyCollectionFromText(default(string), default(int)));
  73                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.FromBinary(default(byte[]), default(int)));
  74                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.FromBinary(default(byte[])));
  75                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.PointFromBinary(default(byte[]), default(int)));
  76                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.LineFromBinary(default(byte[]), default(int)));
  77                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.PolygonFromBinary(default(byte[]), default(int)));
  78                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiPointFromBinary(default(byte[]), default(int)));
  79                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiLineFromBinary(default(byte[]), default(int)));
  80                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiPolygonFromBinary(default(byte[]), default(int)));
  81                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.GeographyCollectionFromBinary(default(byte[]), default(int)));
  82                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.FromGml(default(string)));
  83                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeography.FromGml(default(string), default(int)));
  84                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.AsBinary());
  85                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.AsGml());
  86                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.AsText());
  87                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.SpatialEquals(default(System.Data.Spatial.DbGeography)));
  88                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Disjoint(default(System.Data.Spatial.DbGeography)));
  89                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Intersects(default(System.Data.Spatial.DbGeography)));
  90                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Buffer(default(double)));
  91                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Distance(default(System.Data.Spatial.DbGeography)));
  92                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Intersection(default(System.Data.Spatial.DbGeography)));
  93                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Union(default(System.Data.Spatial.DbGeography)));
  94                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Difference(default(System.Data.Spatial.DbGeography)));
  95                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.SymmetricDifference(default(System.Data.Spatial.DbGeography)));
  96                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.ElementAt(default(int)));
  97                     yield return GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.PointAt(default(int)));
  98                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromText(default(string)));
  99                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromText(default(string), default(int)));
 100                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.PointFromText(default(string), default(int)));
 101                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.LineFromText(default(string), default(int)));
 102                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.PolygonFromText(default(string), default(int)));
 103                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiPointFromText(default(string), default(int)));
 104                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiLineFromText(default(string), default(int)));
 105                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiPolygonFromText(default(string), default(int)));
 106                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.GeometryCollectionFromText(default(string), default(int)));
 107                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromBinary(default(byte[])));
 108                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromBinary(default(byte[]), default(int)));
 109                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.PointFromBinary(default(byte[]), default(int)));
 110                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.LineFromBinary(default(byte[]), default(int)));
 111                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.PolygonFromBinary(default(byte[]), default(int)));
 112                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiPointFromBinary(default(byte[]), default(int)));
 113                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiLineFromBinary(default(byte[]), default(int)));
 114                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiPolygonFromBinary(default(byte[]), default(int)));
 115                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.GeometryCollectionFromBinary(default(byte[]), default(int)));
 116                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromGml(default(string)));
 117                     yield return GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromGml(default(string), default(int)));
 118                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.AsBinary());
 119                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.AsGml());
 120                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.AsText());
 121                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.SpatialEquals(default(System.Data.Spatial.DbGeometry)));
 122                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Disjoint(default(System.Data.Spatial.DbGeometry)));
 123                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Intersects(default(System.Data.Spatial.DbGeometry)));
 124                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Touches(default(System.Data.Spatial.DbGeometry)));
 125                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Crosses(default(System.Data.Spatial.DbGeometry)));
 126                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Within(default(System.Data.Spatial.DbGeometry)));
 127                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Contains(default(System.Data.Spatial.DbGeometry)));
 128                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Overlaps(default(System.Data.Spatial.DbGeometry)));
 129                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Relate(default(System.Data.Spatial.DbGeometry), default(string)));
 130                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Buffer(default(double)));
 131                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Distance(default(System.Data.Spatial.DbGeometry)));
 132                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Intersection(default(System.Data.Spatial.DbGeometry)));
 133                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Union(default(System.Data.Spatial.DbGeometry)));
 134                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Difference(default(System.Data.Spatial.DbGeometry)));
 135                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.SymmetricDifference(default(System.Data.Spatial.DbGeometry)));
 136                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.ElementAt(default(int)));
 137                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.PointAt(default(int)));
 138                     yield return GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.InteriorRingAt(default(int)));
 139                 }
 140
 141                 private static Dictionary<MethodInfo, string> GetRenamedMethodFunctions()
 142                 {
 143                     Dictionary<MethodInfo, string> result = new Dictionary<MethodInfo, string>();
 144                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.FromText(default(string))), "GeographyFromText");
 145                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.FromText(default(string), default(int))), "GeographyFromText");
 146                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.PointFromText(default(string), default(int))), "GeographyPointFromText");
 147                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.LineFromText(default(string), default(int))), "GeographyLineFromText");
 148                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.PolygonFromText(default(string), default(int))), "GeographyPolygonFromText");
 149                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiPointFromText(default(string), default(int))), "GeographyMultiPointFromText");
 150                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiLineFromText(default(string), default(int))), "GeographyMultiLineFromText");
 151                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiPolygonFromText(default(string), default(int))), "GeographyMultiPolygonFromText");
 152                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.GeographyCollectionFromText(default(string), default(int))), "GeographyCollectionFromText");
 153                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.FromBinary(default(byte[]), default(int))), "GeographyFromBinary");
 154                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.FromBinary(default(byte[]))), "GeographyFromBinary");
 155                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.PointFromBinary(default(byte[]), default(int))), "GeographyPointFromBinary");
 156                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.LineFromBinary(default(byte[]), default(int))), "GeographyLineFromBinary");
 157                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.PolygonFromBinary(default(byte[]), default(int))), "GeographyPolygonFromBinary");
 158                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiPointFromBinary(default(byte[]), default(int))), "GeographyMultiPointFromBinary");
 159                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiLineFromBinary(default(byte[]), default(int))), "GeographyMultiLineFromBinary");
 160                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.MultiPolygonFromBinary(default(byte[]), default(int))), "GeographyMultiPolygonFromBinary");
 161                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.GeographyCollectionFromBinary(default(byte[]), default(int))), "GeographyCollectionFromBinary");
 162                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.FromGml(default(string))), "GeographyFromGml");
 163                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeography.FromGml(default(string), default(int))), "GeographyFromGml");
 164                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.AsBinary()), "AsBinary");
 165                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.AsGml()), "AsGml");
 166                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.AsText()), "AsText");
 167                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.SpatialEquals(default(System.Data.Spatial.DbGeography))), "SpatialEquals");
 168                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Disjoint(default(System.Data.Spatial.DbGeography))), "SpatialDisjoint");
 169                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Intersects(default(System.Data.Spatial.DbGeography))), "SpatialIntersects");
 170                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Buffer(default(double))), "SpatialBuffer");
 171                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Distance(default(System.Data.Spatial.DbGeography))), "Distance");
 172                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Intersection(default(System.Data.Spatial.DbGeography))), "SpatialIntersection");
 173                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Union(default(System.Data.Spatial.DbGeography))), "SpatialUnion");
 174                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.Difference(default(System.Data.Spatial.DbGeography))), "SpatialDifference");
 175                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.SymmetricDifference(default(System.Data.Spatial.DbGeography))), "SpatialSymmetricDifference");
 176                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.ElementAt(default(int))), "SpatialElementAt");
 177                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeography geo) => geo.PointAt(default(int))), "PointAt");
 178                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromText(default(string))), "GeometryFromText");
 179                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromText(default(string), default(int))), "GeometryFromText");
 180                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.PointFromText(default(string), default(int))), "GeometryPointFromText");
 181                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.LineFromText(default(string), default(int))), "GeometryLineFromText");
 182                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.PolygonFromText(default(string), default(int))), "GeometryPolygonFromText");
 183                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiPointFromText(default(string), default(int))), "GeometryMultiPointFromText");
 184                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiLineFromText(default(string), default(int))), "GeometryMultiLineFromText");
 185                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiPolygonFromText(default(string), default(int))), "GeometryMultiPolygonFromText");
 186                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.GeometryCollectionFromText(default(string), default(int))), "GeometryCollectionFromText");
 187                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromBinary(default(byte[]))), "GeometryFromBinary");
 188                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromBinary(default(byte[]), default(int))), "GeometryFromBinary");
 189                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.PointFromBinary(default(byte[]), default(int))), "GeometryPointFromBinary");
 190                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.LineFromBinary(default(byte[]), default(int))), "GeometryLineFromBinary");
 191                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.PolygonFromBinary(default(byte[]), default(int))), "GeometryPolygonFromBinary");
 192                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiPointFromBinary(default(byte[]), default(int))), "GeometryMultiPointFromBinary");
 193                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiLineFromBinary(default(byte[]), default(int))), "GeometryMultiLineFromBinary");
 194                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.MultiPolygonFromBinary(default(byte[]), default(int))), "GeometryMultiPolygonFromBinary");
 195                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.GeometryCollectionFromBinary(default(byte[]), default(int))), "GeometryCollectionFromBinary");
 196                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromGml(default(string))), "GeometryFromGml");
 197                     result.Add(GetStaticMethod(() => System.Data.Spatial.DbGeometry.FromGml(default(string), default(int))), "GeometryFromGml");
 198                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.AsBinary()), "AsBinary");
 199                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.AsGml()), "AsGml");
 200                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.AsText()), "AsText");
 201                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.SpatialEquals(default(System.Data.Spatial.DbGeometry))), "SpatialEquals");
 202                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Disjoint(default(System.Data.Spatial.DbGeometry))), "SpatialDisjoint");
 203                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Intersects(default(System.Data.Spatial.DbGeometry))), "SpatialIntersects");
 204                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Touches(default(System.Data.Spatial.DbGeometry))), "SpatialTouches");
 205                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Crosses(default(System.Data.Spatial.DbGeometry))), "SpatialCrosses");
 206                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Within(default(System.Data.Spatial.DbGeometry))), "SpatialWithin");
 207                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Contains(default(System.Data.Spatial.DbGeometry))), "SpatialContains");
 208                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Overlaps(default(System.Data.Spatial.DbGeometry))), "SpatialOverlaps");
 209                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Relate(default(System.Data.Spatial.DbGeometry), default(string))), "SpatialRelate");
 210                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Buffer(default(double))), "SpatialBuffer");
 211                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Distance(default(System.Data.Spatial.DbGeometry))), "Distance");
 212                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Intersection(default(System.Data.Spatial.DbGeometry))), "SpatialIntersection");
 213                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Union(default(System.Data.Spatial.DbGeometry))), "SpatialUnion");
 214                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.Difference(default(System.Data.Spatial.DbGeometry))), "SpatialDifference");
 215                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.SymmetricDifference(default(System.Data.Spatial.DbGeometry))), "SpatialSymmetricDifference");
 216                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.ElementAt(default(int))), "SpatialElementAt");
 217                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.PointAt(default(int))), "PointAt");
 218                     result.Add(GetInstanceMethod((System.Data.Spatial.DbGeometry geo) => geo.InteriorRingAt(default(int))), "InteriorRingAt");
 219                     return result;
 220                 }
 221
 222                 // Translator for spatial methods into canonical functions. Both static and instance methods are handled.
 223                 // Unless a canonical function name is explicitly specified for a method, the mapping from method name to
 224                 // canonical function name consists simply of applying the 'ST' prefix. Then, translation proceeds as follows:
 225                 //      object.MethodName(args...)  -> CanonicalFunctionName(object, args...)
 226                 //      Type.MethodName(args...)  -> CanonicalFunctionName(args...)
 227                 internal override DbExpression Translate(ExpressionConverter parent, MethodCallExpression call)
 228                 {
 229                     MethodInfo method = (MethodInfo)call.Method;
 230                     string canonicalFunctionName;
 231                     if(!methodFunctionRenames.TryGetValue(method, out canonicalFunctionName))
 232                     {
 233                         canonicalFunctionName = "ST" + method.Name;
 234                     }
 235
 236                     Expression[] arguments;
 237                     if (method.IsStatic)
 238                     {
 239                         Debug.Assert(call.Object == null, "Static method call with instance argument?");
 240                         arguments = call.Arguments.ToArray();
 241                     }
 242                     else
 243                     {
 244                         Debug.Assert(call.Object != null, "Instance method call with no instance argument?");
 245                         arguments = new[] { call.Object }.Concat(call.Arguments).ToArray();
 246                     }
 247
 248                     DbExpression result = parent.TranslateIntoCanonicalFunction(canonicalFunctionName, call, arguments);
 249                     return result;
 250                 }
 251             }
 252         }
 253     }
 254 }