Remotion.Linq.SqlBackend.UnitTests.MappingResolverStub_CreateDatabaseUtility.TryResolvePropertyExpression C# (CSharp) Метод

    private static KeyValuePair<string, object>[] TryResolvePropertyExpression (
        MappingResolverStub mappingResolver, Expression expression, object value)
    {
      var columnExpression = expression as SqlColumnExpression;
      if (columnExpression != null)
        return new[] { new KeyValuePair<string, object> (columnExpression.ColumnName, value) };

      var newExpression = expression as NewExpression;
      if (newExpression != null)
      {
        return
            newExpression.Arguments.SelectMany (
            (a, i) =>
            {
              var argumentMemberValue = value != null ? ((PropertyInfo) newExpression.Members[i]).GetValue (value, null) : null;
              return TryResolvePropertyExpression (mappingResolver, a, argumentMemberValue);
            }).ToArray();
      }

      var namedExpression = expression as NamedExpression;
      if (namedExpression != null)
        return TryResolvePropertyExpression (mappingResolver, namedExpression.Expression, value);

      var memberRefExpression = (SqlEntityRefMemberExpression) expression;
      var optimizedIdentity = mappingResolver.TryResolveOptimizedIdentity (memberRefExpression);
      if (optimizedIdentity == null)
        return new KeyValuePair<string, object>[0];

      var idOfReferencedEntity = value != null ? value.GetType().GetProperty ("ID").GetValue (value, null) : null;
      return TryResolvePropertyExpression (mappingResolver, optimizedIdentity, idOfReferencedEntity);
    }