internal static System.Linq.Expressions.Expression TransformPredicateExpression(this IQueryVisitor visitor, System.Linq.Expressions.Expression expression)
{
System.Linq.Expressions.Expression result = expression;
if (expression is System.Linq.Expressions.MethodCallExpression)
{
System.Linq.Expressions.MethodCallExpression methodCallExpression = (System.Linq.Expressions.MethodCallExpression)expression;
if ((methodCallExpression.Method == typeof(EntityExtensions).GetMethod("Predicate")) && (methodCallExpression.Arguments.Count > 1) &&
(methodCallExpression.Arguments[1] != null) && (methodCallExpression.Arguments[1] is System.Linq.Expressions.ConstantExpression))
{
object item;
if (!TransformedExpressionsCache.TryGetValue(expression, out item))
{
object objectValue = ((System.Linq.Expressions.ConstantExpression)methodCallExpression.Arguments[1]).Value;
Uri predicate = (Uri)objectValue;
Type type;
string name;
visitor.GetMappingDetails(predicate, methodCallExpression.Arguments[0].Type, out type, out name);
System.Linq.Expressions.MemberExpression memberExpression = System.Linq.Expressions.Expression.MakeMemberAccess(methodCallExpression.Arguments[0], type.GetProperty(name));
TransformedExpressionsCache[expression] = result = memberExpression;
}
else
{
result = (System.Linq.Expressions.MemberExpression)item;
}
}
}
return(result);
}
