private static FreeListIdProvider GetFreelist(PagedFile pagedFile, TreeState treeState)
{
FreeListIdProvider freelist = new FreeListIdProvider(pagedFile, pagedFile.PageSize(), treeState.LastId(), FreeListIdProvider.NO_MONITOR);
freelist.Initialize(treeState.LastId(), treeState.FreeListWritePageId(), treeState.FreeListReadPageId(), treeState.FreeListWritePos(), freelist.ReadPos());
return(freelist);
}
public static IndexCorruption <KEY, VALUE> AddFreelistEntry <KEY, VALUE>(long releasedId)
{
return((pagedFile, layout, node, treeState) =>
{
FreeListIdProvider freelist = GetFreelist(pagedFile, treeState);
freelist.ReleaseId(treeState.stableGeneration(), treeState.unstableGeneration(), releasedId);
using (PageCursor cursor = pagedFile.io(0, PagedFile.PF_SHARED_WRITE_LOCK))
{
goTo(cursor, "", treeState.pageId());
TreeState.Write(cursor, treeState.stableGeneration(), treeState.unstableGeneration(), treeState.rootId(), treeState.rootGeneration(), freelist.LastId(), freelist.WritePageId(), freelist.ReadPageId(), freelist.WritePos(), freelist.ReadPos(), treeState.Clean);
}
});
}
private void InitializeInstanceFields()
{
_freelist = new FreeListIdProvider(_pagedFile, PAGE_SIZE, BASE_ID, _monitor);
}