/// <summary>
/// Create instances for all engine services
/// </summary>
private void InitializeServices()
{
_cache = new CacheService(_disk, _log);
_locker = new LockService(_disk, _cache, _timeout, _log);
_pager = new PageService(_disk, _crypto, _cache, _log);
_indexer = new IndexService(_pager, _log);
_data = new DataService(_pager, _log);
_trans = new TransactionService(_disk, _crypto, _pager, _locker, _cache, _cacheSize, _log);
_collections = new CollectionService(_pager, _indexer, _data, _trans, _log);
}
public DbEngine(IDiskService disk, Logger log)
{
// initialize disk service and check if database exists
var isNew = disk.Initialize();
// new database? create new datafile
if (isNew)
{
disk.CreateNew();
}
_log = log;
_disk = disk;
// initialize all services
_cache = new CacheService();
_pager = new PageService(_disk, _cache);
_indexer = new IndexService(_pager);
_data = new DataService(_pager);
_collections = new CollectionService(_pager, _indexer, _data);
_transaction = new TransactionService(_disk, _pager, _cache);
}
public DbEngine(IDiskService disk, Logger log)
{
// initialize disk service and check if database exists
var isNew = disk.Initialize();
// new database? just create header page and save it
if (isNew)
{
disk.WritePage(0, new HeaderPage().WritePage());
}
_log = log;
_disk = disk;
// initialize all services
_cache = new CacheService();
_pager = new PageService(_disk, _cache);
_indexer = new IndexService(_pager);
_data = new DataService(_pager);
_collections = new CollectionService(_pager, _indexer, _data);
_transaction = new TransactionService(_disk, _pager, _cache);
// check user verion
}
/// <summary>
/// Create instances for all engine services
/// </summary>
private void InitializeServices()
{
_pager = new PageService(_disk, _crypto, _log);
_indexer = new IndexService(_pager, _log);
_data = new DataService(_pager, _log);
_trans = new TransactionService(_disk, _crypto, _pager, _cacheSize, _log);
_collections = new CollectionService(_pager, _indexer, _data, _trans, _log);
}
