// Example of scenario such as storing a query in a database and retreiving it
// later into the same object model.
public static void DLinqQuerySerializationSamples()
{
Console.WriteLine("DLINQ BASIC SAMPLE - Single Object Model used on both sides of serialization:");
// Write the query against RemoteTable<Customer>, a dummy implementation
// of IQueryable
RemoteTable <Customer> customers = new RemoteTable <Customer>();
var query = from c in customers
where c.City == "London"
select new { c.CompanyName, c };
XElement queryXml = query.SerializeQuery();
// On the other side - create a new DataContext, and deserialize
// the query xml into a query against this datacontext
NorthwindDataContext dbOther = new NorthwindDataContext();
IQueryable queryAfter = dbOther.DeserializeQuery(queryXml);
// Print out the IQueryable: "(x, y) => x + y"
Console.WriteLine("Deserialized IQueryable:");
Console.WriteLine(" " + queryAfter.ToString());
Console.WriteLine("\n Results: ");
queryAfter.Cast <object>().ToList().ForEach(n => Console.WriteLine(" " + n.ToString()));
Console.WriteLine();
}
// Example of scenario such as storing a query in a database and retreiving it
// later into the same object model.
public static void DLinqQuerySerializationSamples()
{
Console.WriteLine("DLINQ BASIC SAMPLE - Single Object Model used on both sides of serialization:");
// Write the query against RemoteTable<Customer>, a dummy implementation
// of IQueryable
RemoteTable<Customer> customers = new RemoteTable<Customer>();
var query = from c in customers
where c.City == "London"
select new {c.CompanyName,c};
XElement queryXml = query.SerializeQuery();
// On the other side - create a new DataContext, and deserialize
// the query xml into a query against this datacontext
NorthwindDataContext dbOther = new NorthwindDataContext();
IQueryable queryAfter = dbOther.DeserializeQuery(queryXml);
// Print out the IQueryable: "(x, y) => x + y"
Console.WriteLine("Deserialized IQueryable:");
Console.WriteLine(" " + queryAfter.ToString());
Console.WriteLine("\n Results: ");
queryAfter.Cast<object>().ToList().ForEach(n => Console.WriteLine(" " + n.ToString()));
Console.WriteLine();
}
