private static TransportObjectContainer NewTransportObjectContainer(ObjectContainerBase
serviceProvider, MemoryBin memoryBin)
{
TransportObjectContainer container = new TransportObjectContainer(serviceProvider
, memoryBin);
container.DeferredOpen();
return container;
}
public TransportObjectContainer(ObjectContainerBase parent, MemoryBin memoryFile)
: base(parent.Config())
{
_memoryBin = memoryFile;
_parent = parent;
_lock = parent.Lock();
_showInternalClasses = parent._showInternalClasses;
Open();
}
/// <exception cref="System.IO.IOException"></exception>
public virtual void Rename(string oldUri, string newUri)
{
MemoryBin bin = ((MemoryBin)Sharpen.Collections.Remove(_bins, oldUri));
if (bin == null)
{
throw new IOException("Bin not found: " + oldUri);
}
_bins[newUri] = bin;
}
public static SerializedGraph Marshall(ObjectContainerBase serviceProvider, object
obj)
{
MemoryBin memoryBin = new MemoryBin(223, GrowthStrategy());
TransportObjectContainer carrier = NewTransportObjectContainer(serviceProvider, memoryBin
);
carrier.ProduceClassMetadata(carrier.Reflector().ForObject(obj));
carrier.Store(obj);
int id = (int)carrier.GetID(obj);
carrier.Close();
return new SerializedGraph(id, memoryBin.Data());
}
private IBin ProduceStorage(BinConfiguration config)
{
IBin storage = Bin(config.Uri());
if (null != storage)
{
return storage;
}
MemoryBin newStorage = new MemoryBin(new byte[(int)config.InitialLength()], _growthStrategy
);
_bins[config.Uri()] = newStorage;
return newStorage;
}
private IBin ProduceStorage(BinConfiguration config)
{
IBin storage = Bin(config.Uri());
if (null != storage)
{
return(storage);
}
MemoryBin newStorage = new MemoryBin(new byte[(int)config.InitialLength()], _growthStrategy
);
_bins[config.Uri()] = newStorage;
return(newStorage);
}
public static object Unmarshall(ObjectContainerBase serviceProvider, byte[] bytes
, int id)
{
if (id <= 0)
{
return null;
}
MemoryBin memoryBin = new MemoryBin(bytes, GrowthStrategy());
TransportObjectContainer carrier = NewTransportObjectContainer(serviceProvider, memoryBin
);
object obj = carrier.GetByID(id);
carrier.Activate(carrier.Transaction, obj, new FullActivationDepth());
carrier.Close();
return obj;
}
public virtual void Test()
{
var origStorage = new MemoryStorage();
var origConfig = Config(origStorage);
IObjectContainer origDb = Db4oEmbedded.OpenFile(origConfig, BinUri);
origDb.Store(new Item(ItemName));
origDb.Close();
var origBin = origStorage.Bin(BinUri);
var data = origBin.Data();
Assert.AreEqual(data.Length, origBin.Length());
var newBin = new MemoryBin(data, new DoublingGrowthStrategy());
var newStorage = new MemoryStorage();
newStorage.Bin(BinUri, newBin);
IObjectContainer newDb = Db4oEmbedded.OpenFile(Config(newStorage), BinUri);
var result = newDb.Query(typeof (Item));
Assert.AreEqual(1, result.Count);
Assert.AreEqual(ItemName, ((Item) result.Next())._name
);
newDb.Close();
}
public virtual void Test()
{
MemoryStorage origStorage = new MemoryStorage();
IEmbeddedConfiguration origConfig = Config(origStorage);
IObjectContainer origDb = Db4oEmbedded.OpenFile(origConfig, BinUri);
origDb.Store(new MemoryBinIsReusableTestCase.Item(ItemName));
origDb.Close();
MemoryBin origBin = origStorage.Bin(BinUri);
byte[] data = origBin.Data();
Assert.AreEqual(data.Length, origBin.Length());
MemoryBin newBin = new MemoryBin(data, new DoublingGrowthStrategy());
MemoryStorage newStorage = new MemoryStorage();
newStorage.Bin(BinUri, newBin);
IObjectContainer newDb = Db4oEmbedded.OpenFile(Config(newStorage), BinUri);
IObjectSet result = newDb.Query(typeof(MemoryBinIsReusableTestCase.Item));
Assert.AreEqual(1, result.Count);
Assert.AreEqual(ItemName, ((MemoryBinIsReusableTestCase.Item)result.Next())._name
);
newDb.Close();
}
private void Write(MemoryBin bin, int pos, int count, int expectedSize)
{
bin.Write(pos, new byte[count], count);
Assert.AreEqual(expectedSize, bin.BufferSize());
}
/// <summary>Registers the given bin for this storage with the given URI.</summary>
/// <remarks>Registers the given bin for this storage with the given URI.</remarks>
public virtual void Bin(string uri, MemoryBin bin)
{
_bins[uri] = bin;
}
/// <summary>Registers the given bin for this storage with the given URI.</summary>
/// <remarks>Registers the given bin for this storage with the given URI.</remarks>
public virtual void Bin(string uri, MemoryBin bin)
{
_bins[uri] = bin;
}
