public CollectionService(CacheService cache, PageService pager, IndexService indexer, DataService data)
{
_cache = cache;
_pager = pager;
_indexer = indexer;
_data = data;
}
internal TransactionService(IDiskService disk, PageService pager, CacheService cache)
{
_disk = disk;
_pager = pager;
_cache = cache;
_cache.MarkAsDirtyAction = (page) => _disk.WriteJournal(page.PageID, page.DiskData);
_cache.DirtyRecicleAction = () => this.Save();
}
/// <summary>
/// Drop a collection - remove all data pages + indexes pages
/// </summary>
public void Drop(CollectionPage col, CacheService cache)
{
// add all pages to delete
var pages = new HashSet<uint>();
// search for all data page and index page
foreach (var index in col.GetIndexes(true))
{
// get all nodes from index
var nodes = _indexer.FindAll(index, Query.Ascending);
foreach (var node in nodes)
{
// if is PK index, add dataPages
if(index.Slot == 0)
{
pages.Add(node.DataBlock.PageID);
// read datablock to check if there is any extended page
var block = _data.Read(node.DataBlock, false);
if (block.ExtendPageID != uint.MaxValue)
{
_pager.DeletePage(block.ExtendPageID, true);
cache.CheckPoint();
}
}
// add index page to delete list page
pages.Add(node.Position.PageID);
}
// remove head+tail nodes in all indexes
pages.Add(index.HeadNode.PageID);
pages.Add(index.TailNode.PageID);
}
// and now, lets delete all this pages
foreach (var pageID in pages)
{
_pager.DeletePage(pageID);
cache.CheckPoint();
}
// get header page to remove from collection list links
var header = _pager.GetPage<HeaderPage>(0, true);
header.CollectionPages.Remove(col.CollectionName);
_pager.DeletePage(col.PageID);
}
internal TransactionService(DiskService disk, CacheService cache, JournalService journal)
{
_disk = disk;
_cache = cache;
_journal = journal;
}
public DataService(DiskService disk, CacheService cache, PageService pager)
{
_disk = disk;
_cache = cache;
_pager = pager;
}
public JournalService(ConnectionString connectionString, CacheService cache)
{
_connectionString = connectionString;
_cache = cache;
}
public IndexService(CacheService cache, PageService pager)
{
_cache = cache;
_pager = pager;
}
public JournalService(ConnectionString connectionString, CacheService cache)
{
_connectionString = connectionString;
_cache = cache;
}
internal TransactionService(IDiskService disk, AesEncryption crypto, PageService pager, LockService locker, CacheService cache, int cacheSize, Logger log)
{
_disk = disk;
_crypto = crypto;
_cache = cache;
_locker = locker;
_pager = pager;
_cacheSize = cacheSize;
_log = log;
}
internal TransactionService(DiskService disk, CacheService cache, JournalService journal)
{
_disk = disk;
_cache = cache;
_journal = journal;
}
