/// <summary>
/// Unpack this item for DeSerialization from Stream
/// </summary>
/// <param name="parent"></param>
/// <param name="reader"></param>
public virtual void Unpack(IInternalPersistent parent, System.IO.BinaryReader reader)
{
bool?r = CollectionOnDisk.ReadPersistentData(parent, reader, ref Key);
if (r == null)
{
if (((BTreeAlgorithm)parent).onKeyUnpack != null)
{
Key = ((BTreeAlgorithm)parent).onKeyUnpack(reader);
}
else
{
throw new SopException("Can't Deserialize Custom persisted 'Key'.");
}
}
if (Value == null)
{
var f = (File.File)InternalPersistent.GetParent(parent, typeof(File.File));
Value = new ItemOnDisk(f.DataBlockSize);
}
bool valueIsReference = reader.ReadBoolean();
if (valueIsReference)
{
Value.DiskBuffer.DataAddress = reader.ReadInt64();
}
else
{
object o = Value;
CollectionOnDisk.ReadPersistentData(parent, reader, ref o);
Value = (ItemOnDisk)o;
if (Value.DataIsUserDefined && ((BTreeAlgorithm)parent).onValueUnpack != null)
{
Value.Data = ((BTreeAlgorithm)parent).onValueUnpack(reader);
}
}
IsDirty = false;
}
public BTreeItemOnDisk(DataBlockSize dataBlockSize, object key, object value)
{
Key = key;
Value = new ItemOnDisk(dataBlockSize, value);
}