static Database ReadFromDatabase(NorthwindDataContext ctx)
{
Database db = new Database();
DataLoadOptions opt = new DataLoadOptions();
opt.AssociateWith <Order>(order => order.Lines);
ctx.LoadOptions = opt;
db.Orders.AddRange(ctx.Orders);
return(db);
}
static Database ReadFromDatabase(this NorthwindDataContext ctx, string path)
{
Database db = new Database();
DataLoadOptions opt = new DataLoadOptions();
opt.AssociateWith <Order>(order => order.Lines);
ctx.LoadOptions = opt;
db.Orders.AddRange(ctx.Orders);
using (FileStream fs = File.Create(path))
{
Serializer.Serialize(fs, db);
}
return(db);
}
static void Main()
{
Database db;
Console.WriteLine("Using groups: {0}", Database.SubObjectFormat== DataFormat.Group);
// if have a Northwind handy...
using(var ctx = new NorthwindDataContext())
{
db = ctx.ReadFromDatabase("nwind.proto.bin");
DbMetrics("Database", db);
}
string proto = Serializer.GetProto<Database>();
File.WriteAllText("nwind.proto", proto);
Console.WriteLine(proto);
// otherwise...
using(MemoryStream ms = new MemoryStream(File.ReadAllBytes("nwind.proto.bin")))
{
db = Serializer.Deserialize<Database>(ms);
for (int i = 0; i < 3; i++)
{
Serializer.Serialize(Stream.Null, db);
}
}
/*
for (int i = 0; i < 1; i++)
{
using (Stream ms = new MemoryStream())
{
Serializer.Serialize(ms, db);
//ms.Position = 0;
//db = Serializer.Deserialize<Database>(ms);
}
}
*/
using (MemoryStream ms = new MemoryStream())
{
new DataContractSerializer(db.GetType()).WriteObject(ms, db);
Console.WriteLine("DataContractSerializer length: {0:###,###,000}", ms.Length);
}
using (MemoryStream ms = new MemoryStream())
{
using (GZipStream zip = new GZipStream(ms, CompressionMode.Compress, true))
{
new DataContractSerializer(db.GetType()).WriteObject(zip, db);
zip.Close();
}
Console.WriteLine("GZip/DataContractSerializer length: {0:###,###,000}", ms.Length);
}
using (MemoryStream ms = new MemoryStream())
{
using (GZipStream zip = new GZipStream(ms, CompressionMode.Compress, true))
{
Serializer.Serialize(zip, db);
zip.Close();
}
Console.WriteLine("GZip/proto length: {0:###,###,000}", ms.Length);
}
using (MemoryStream ms = new MemoryStream())
{
Serializer.Serialize(ms, db);
ms.Position = 0;
Console.WriteLine("proto length: {0:###,###,000}", ms.Length);
Database pbnet = Serializer.Deserialize<Database>(ms);
DbMetrics("protobuf-net", pbnet);
//Database psharp = MessageReader.Read<Database>(ms.ToArray());
//DbMetrics("proto#", psharp);
}
Console.WriteLine();
Console.WriteLine("[press any key]");
Console.ReadKey();
/*
Console.WriteLine("{0}={1} bytes", path, new FileInfo(path).Length);
Database db = null;
Stopwatch watch = Stopwatch.StartNew();
for (int i = 0; i < COUNT; i++)
{
db = ReadFromFile(path);
}
watch.Stop();
Console.WriteLine("Load x{0}: {1}ms", COUNT, watch.ElapsedMilliseconds);
watch = Stopwatch.StartNew();
for (int i = 0; i < COUNT; i++)
{
WriteToFile(path, db);
}
watch.Stop();
Console.WriteLine("Save x{0}: {1}ms", COUNT, watch.ElapsedMilliseconds);
*/
}
static void Main()
{
Database db;
Console.WriteLine("Using groups: {0}", Database.SubObjectFormat == DataFormat.Group);
// if have a Northwind handy...
using (var ctx = new NorthwindDataContext())
{
db = ctx.ReadFromDatabase("nwind.proto.bin");
DbMetrics("Database", db);
}
string proto = Serializer.GetProto <Database>();
File.WriteAllText("nwind.proto", proto);
Console.WriteLine(proto);
// otherwise...
using (MemoryStream ms = new MemoryStream(File.ReadAllBytes("nwind.proto.bin")))
{
db = Serializer.Deserialize <Database>(ms);
for (int i = 0; i < 3; i++)
{
Serializer.Serialize(Stream.Null, db);
}
}
/*
* for (int i = 0; i < 1; i++)
* {
* using (Stream ms = new MemoryStream())
* {
* Serializer.Serialize(ms, db);
* //ms.Position = 0;
* //db = Serializer.Deserialize<Database>(ms);
* }
* }
*/
using (MemoryStream ms = new MemoryStream())
{
new DataContractSerializer(db.GetType()).WriteObject(ms, db);
Console.WriteLine("DataContractSerializer length: {0:###,###,000}", ms.Length);
}
using (MemoryStream ms = new MemoryStream())
{
using (GZipStream zip = new GZipStream(ms, CompressionMode.Compress, true))
{
new DataContractSerializer(db.GetType()).WriteObject(zip, db);
zip.Close();
}
Console.WriteLine("GZip/DataContractSerializer length: {0:###,###,000}", ms.Length);
}
using (MemoryStream ms = new MemoryStream())
{
using (GZipStream zip = new GZipStream(ms, CompressionMode.Compress, true))
{
Serializer.Serialize(zip, db);
zip.Close();
}
Console.WriteLine("GZip/proto length: {0:###,###,000}", ms.Length);
}
using (MemoryStream ms = new MemoryStream())
{
Serializer.Serialize(ms, db);
ms.Position = 0;
Console.WriteLine("proto length: {0:###,###,000}", ms.Length);
Database pbnet = Serializer.Deserialize <Database>(ms);
DbMetrics("protobuf-net", pbnet);
//Database psharp = MessageReader.Read<Database>(ms.ToArray());
//DbMetrics("proto#", psharp);
}
Console.WriteLine();
Console.WriteLine("[press any key]");
Console.ReadKey();
/*
* Console.WriteLine("{0}={1} bytes", path, new FileInfo(path).Length);
*
* Database db = null;
* Stopwatch watch = Stopwatch.StartNew();
* for (int i = 0; i < COUNT; i++)
* {
* db = ReadFromFile(path);
* }
* watch.Stop();
* Console.WriteLine("Load x{0}: {1}ms", COUNT, watch.ElapsedMilliseconds);
* watch = Stopwatch.StartNew();
* for (int i = 0; i < COUNT; i++)
* {
* WriteToFile(path, db);
* }
* watch.Stop();
* Console.WriteLine("Save x{0}: {1}ms", COUNT, watch.ElapsedMilliseconds);
*/
}
