public override System.Linq.Expressions.Expression ToLinqExpression(IExpressionContext ctx)
{
if (ctx == null)
{
throw new ArgumentNullException(nameof(ctx));
}
var vp = ctx.GetParameter("vp");
var vs = ctx.GetParameter("vs");
var mv = ctx.GetParameter("mv");
var ts = ctx.GetParameter("ts");
MethodInfo methodInfo;
switch (FieldType)
{
case EntityFieldType.String:
methodInfo = GetStringMemberInfo; break;
case EntityFieldType.Int32:
methodInfo = GetInt32MemberInfo; break;
case EntityFieldType.Guid:
methodInfo = GetGuidMemberInfo; break;
case EntityFieldType.Byte:
methodInfo = GetByteMemberInfo; break;
default:
throw ExceptionHelper.NotImplemented();
}
var id = System.Linq.Expressions.Expression.Constant(FieldId);
return(System.Linq.Expressions.Expression.Call(methodInfo, id, vp, vs, mv, ts));
}