/// <summary>
/// Store all bytes in one extended page. If data ir bigger than a page, store in more pages and make all in sequence
/// </summary>
public void StoreExtendData(ExtendPage page, byte[] data)
{
var offset = 0;
var bytesLeft = data.Length;
while (bytesLeft > 0)
{
var bytesToCopy = Math.Min(bytesLeft, BasePage.PAGE_AVAILABLE_BYTES);
page.Data = new byte[bytesToCopy];
Buffer.BlockCopy(data, offset, page.Data, 0, bytesToCopy);
// updates free bytes + items count
page.UpdateItemCount();
bytesLeft -= bytesToCopy;
offset += bytesToCopy;
// if has bytes left, let's get a new page
if (bytesLeft > 0)
{
// if i have a continuous page, get it... or create a new one (set as dirty)
page = page.NextPageID != uint.MaxValue ?
_pager.GetPage<ExtendPage>(page.NextPageID, true) :
_pager.NewPage<ExtendPage>(page);
}
}
// when finish, check if last page has a nextPageId - if have, delete them
if (page.NextPageID != uint.MaxValue)
{
// Delete nextpage and all nexts
_pager.DeletePage(page.NextPageID, true);
// set my page with no NextPageID
page.NextPageID = uint.MaxValue;
}
}
public static void Dump(this ExtendPage page, StringBuilder sb)
{
sb.AppendFormat("BytesUsed: {0}", page.Data.Length);
}
