public static RecordKey TerminalKey(Table Parent, IElementHeader Header)
{
if (Header.TerminalPageID == -1)
{
return(RecordKey.RecordNotFound);
}
return(new RecordKey(Header.TerminalPageID, Parent.GetPage(Header.TerminalPageID).Count - 1));
}
public static RecordKey OriginKey(Table Parent, IElementHeader Header)
{
if (Header.OriginPageID == -1)
{
return(RecordKey.RecordNotFound);
}
return(new RecordKey(Header.OriginPageID, 0));
}
public PageWalker(Table Store, IElementHeader Header)
{
this._Store = Store;
this._CurrentPageID = (this._Store.PageCount == 0 ? -1 : this._Store.OriginPageID);
this._Header = Header;
}
public RecordReaderBase(Table Data, IElementHeader Header)
: this(Data, RecordReaderBase.OriginKey(Data, Header), RecordReaderBase.TerminalKey(Data, Header))
{
}