/// <summary>
/// Initializes a new instance of the <see cref="PhysicalDatabase"/> class.
/// </summary>
/// <param name="journal">The journal.</param>
public unsafe PhysicalDatabase(IJournal journal, Caching.BlockCache cache, JournalRecovery recovery)
{
this.journal = journal;
this.journal.Startup(cache, recovery);
// Must make sure we construct the first node if not already there ("default node").
Block block = journal.ReadService.Read(BlockType.NoCache, 0);
fixed(byte *p = block.Data)
{
DatabaseHeader *header = (DatabaseHeader *)p;
rootAddress = header->RootObjectAddress;
}
// We must initialize it.
if (rootAddress == 0)
{
journal.Execute(new Operations.CreateRootObject());
block = journal.ReadService.Read(BlockType.NoCache, 0);
fixed(byte *pp = block.Data)
{
DatabaseHeader *header = (DatabaseHeader *)pp;
rootAddress = header->RootObjectAddress;
}
Debug.Assert(rootAddress != 0);
}
}
public void Write(uint index, string type, object obj)
{
if ((options & StreamOptions.SingleObject) != 0)
{
journal.Execute(new AddObjectSO(headerAddress, obj as byte[]));
}
else
{
journal.Execute(new AddObject(objectAddress, index, obj as byte[]));
}
}
public void AddTypedStream(string type, StreamOptions flags)
{
journal.Execute(new AddTypedStream(versionAddress, type, flags));
}