/// <summary>
/// 内存数据库物理层
/// </summary>
/// <param name="fileName"></param>
/// <param name="isDomainUnloadDispose"></param>
public TmphPhysical(string fileName, bool isDomainUnloadDispose = true)
{
try
{
var file = new FileInfo(this.fileName = fileName + ".fmd");
path = file.Directory.fullName();
if (file.Exists)
{
currentLock = 1;
loader = new TmphFileReader(this);
}
else
fileWriter = new TmphFileStreamWriter(path + this.fileName, FileMode.CreateNew, FileShare.Read,
FileOptions.None, true, null);
if (isDomainUnloadDispose) TmphDomainUnload.Add(Dispose);
}
catch (Exception error)
{
LastException = error;
currentLock = 2;
Dispose();
}
}
/// <summary>
/// 打开日志文件
/// </summary>
private void open()
{
try
{
fileStream = new TmphFileStreamWriter(fileName, FileMode.OpenOrCreate, FileShare.Read, FileOptions.None, false, TmphAppSetting.Encoding);
}
catch (Exception error)
{
Console.WriteLine(error.ToString());
}
if (fileStream == null)
{
try
{
if (File.Exists(fileName))
fileStream = new TmphFileStreamWriter(TmphFile.MoveBakFileName(fileName), FileMode.OpenOrCreate, FileShare.Read, FileOptions.None, false, TmphAppSetting.Encoding);
}
catch (Exception error)
{
Console.WriteLine(error.ToString());
}
}
}
/// <summary>
/// 读取数据完毕
/// </summary>
/// <param name="isLoaded">是否成功</param>
/// <returns></returns>
public bool Loaded(bool isLoaded)
{
if (currentLock == 1)
{
if (isLoaded)
{
try
{
TmphPub.Dispose(ref loader);
memoryPool.Push(ref loadBuffer);
fileWriter = new TmphFileStreamWriter(path + fileName, FileMode.Open, FileShare.Read,
FileOptions.None, true, null);
return true;
}
catch (Exception error)
{
LastException = error;
}
finally
{
currentLock = 0;
}
}
else currentLock = 0;
}
Dispose();
return false;
}