/// <summary>
/// 构造函数
/// </summary>
/// <param name="overtimeInterval">超时间隔（单位：秒）</param>
/// <param name="cleanInterval">清除时间间隔（单位：秒）</param>
public AgileConcurrentFileMemoryCache(double overtimeInterval, double clearInterval, string filePath, AgileFileType fileType = AgileFileType.Text)
{
if (overtimeInterval > 0)
{
FilePath = filePath;
FileType = fileType;
cache = AgileFile.BinaryRead <ConcurrentDictionary <TKey, TValue> >(FilePath, FileType);
OvertimeInterval = overtimeInterval;
timer = new Timer(clearInterval * 1000);
timer.Elapsed += timeElapsed;
timer.Start();
}
}
/// <summary>
/// 获得输出流
/// </summary>
/// <param name="path">路径</param>
/// <param name="fileType">文件类型</param>
/// <param name="fileEncoding">文件编码</param>
/// <param name="fileMode">文件模式</param>
/// <param name="fileAccess">文件控制</param>
/// <returns>结果</returns>
public static StreamWriter GetStreamWriter(string path, AgileFileType fileType = AgileFileType.Text, Encoding fileEncoding = null, FileMode fileMode = FileMode.Append, FileAccess fileAccess = FileAccess.Write)
{
if (fileEncoding == null)
{
fileEncoding = Encoding.Default;
}
FileStream fileStream = new FileStream(path, fileMode, fileAccess);
if (fileType == AgileFileType.GZip)
{
GZipStream gzipStream = new GZipStream(fileStream, CompressionMode.Compress);
return(new StreamWriter(gzipStream, fileEncoding));
}
else
{
return(new StreamWriter(fileStream, fileEncoding));
}
}
/// <summary>
/// 获得读取流
/// </summary>
/// <param name="path">路径</param>
/// <param name="fileType">文件类型</param>
/// <param name="fileEncoding">文件编码</param>
/// <returns>结果</returns>
public static StreamReader GetStreamReader(string path, AgileFileType fileType = AgileFileType.Text, Encoding fileEncoding = null)
{
if (fileEncoding == null)
{
fileEncoding = Encoding.Default;
}
FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read);
if (fileType == AgileFileType.GZip)
{
GZipStream gzipStream = new GZipStream(fileStream, CompressionMode.Decompress);
return(new StreamReader(gzipStream, fileEncoding));
}
else
{
return(new StreamReader(fileStream, fileEncoding));
}
}
/// <summary>
/// 将对象转成二进制文件存储到对应的目录
/// </summary>
/// <param name="obj">对象</param>
/// <param name="path">文件地址</param>
/// <param name="fileType">文件类型</param>
/// <param name="fileMode">打开文件方式</param>
/// <param name="fileAccess">文件访问方式</param>
public static void BinaryWrite(object obj, string path, AgileFileType fileType = AgileFileType.Text, FileMode fileMode = FileMode.OpenOrCreate, FileAccess fileAccess = FileAccess.Write)
{
using (FileStream fileStream = new FileStream(path, fileMode, fileAccess))
{
BinaryFormatter formatter = new BinaryFormatter();
if (fileType == AgileFileType.Text)
{
formatter.Serialize(fileStream, obj);
}
else
{
using (GZipStream gzipStream = new GZipStream(fileStream, CompressionMode.Compress))
{
formatter.Serialize(gzipStream, obj);
}
}
}
}
/// <summary>
/// 将二进制文件转成对象并返回
/// </summary>
/// <typeparam name="T">返回类型</typeparam>
/// <param name="path">文件地址</param>
/// <param name="fileType">文件类型</param>
/// <param name="fileMode">打开文件方式</param>
/// <param name="fileAccess">文件访问方式</param>
/// <returns>对象</returns>
public static T BinaryRead <T>(string path, AgileFileType fileType = AgileFileType.Text, FileMode fileMode = FileMode.Open, FileAccess fileAccess = FileAccess.Read)
{
if (!File.Exists(path))
{
return(default(T));
}
BinaryFormatter formatter = new BinaryFormatter();
using (FileStream fileStream = new FileStream(path, fileMode, fileAccess))
{
if (fileType == AgileFileType.Text)
{
return((T)formatter.Deserialize(fileStream));
}
else
{
using (GZipStream gzipStream = new GZipStream(fileStream, CompressionMode.Decompress))
{
return((T)formatter.Deserialize(gzipStream));
}
}
}
}
