/// <summary>
/// 创建hoot引擎
/// </summary>
/// <param name="IndexPath">索引地址目录，全路径</param>
/// <param name="FileName">文件名（最好无后缀）</param>
/// <param name="DocMode">是否文档模式</param>
public HootEngine(string IndexPath, string FileName, bool DocMode)
{
_Path = IndexPath;
_FileName = FileName;
_docMode = DocMode;
if (_Path.EndsWith(Path.DirectorySeparatorChar.ToString()) == false)
{
_Path += Path.DirectorySeparatorChar;
}
if (Directory.Exists(IndexPath))
{
Directory.CreateDirectory(IndexPath);
}
_log.Debug("hOOOOOOt Version:" + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString());
_log.Debug("Starting hOOOOOOt....");
_log.Debug("Storage Folder = " + _Path);
if (DocMode)
{
_docs = new KeyStoreString(_Path, FileName, false);
// read deleted
_deleted = new BoolIndex(_Path, FileName);
_lastDocNum = (int)_docs.Count();//得到文档数，用于编号
}
_bitmaps = new BitmapIndex(_Path, _FileName);
// read words
LoadWords();
}
/// <summary>
/// 关闭
/// </summary>
public void Shutdown()
{
lock (_shutdownlock)
{
if (_index != null)
{
log.Debug("Shutting down");
}
else
{
return;
}
_savetimer.Enabled = false;
SaveIndex();
SaveLastRecord();
if (_deleted != null)
{
_deleted.Shutdown();
}
if (_index != null)
{
_index.Shutdown();
}
if (_archive != null)
{
_archive.Shutdown();
}
_index = null;
_archive = null;
_deleted = null;
//log.Debug("Shutting down log");
//LogManager.Shutdown();
}
}
public void Shutdown()
{
lock (_lock)
{
InternalSave();
if (_deleted != null)
{
_deleted.SaveIndex();
_deleted.Shutdown();
_deleted = null;
}
if (_bitmaps != null)
{
_bitmaps.Commit(Global.FreeBitmapMemoryOnSave);
_bitmaps.Shutdown();
_bitmaps = null;
}
if (_docMode)
{
_docs.Shutdown();
}
}
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="filename"></param>
/// <param name="maxkeysize"></param>
/// <param name="AllowDuplicateKeys"></param>
private void Initialize(string filename, byte maxkeysize, bool AllowDuplicateKeys)
{
_MaxKeySize = RDBDataType <T> .GetByteSize(maxkeysize);
_T = RDBDataType <T> .ByteHandler();
_Path = Path.GetDirectoryName(filename);
Directory.CreateDirectory(_Path);
_FileName = Path.GetFileNameWithoutExtension(filename);
string db = Path.Combine(_Path, _FileName + _datExtension);
_index = new MGIndex <T>(_Path, _FileName + _idxExtension, _MaxKeySize, AllowDuplicateKeys);
if (Global.SaveAsBinaryJSON)
{
_archive = new StorageFile <T>(db, SF_FORMAT.BSON, false);
}
else
{
_archive = new StorageFile <T>(db, SF_FORMAT.JSON, false);
}
_deleted = new BoolIndex(_Path, _FileName);
log.Debug("Current Count = " + RecordCount().ToString("#,0"));
CheckIndexState();
//保存服务
log.Debug("Starting save timer");
_savetimer = new System.Timers.Timer();
_savetimer.Elapsed += new System.Timers.ElapsedEventHandler(_savetimer_Elapsed);
_savetimer.Interval = Global.SaveIndexToDiskTimerSeconds * 1000;
_savetimer.AutoReset = true;
_savetimer.Start();
}
