/// <summary>
/// 自定义比较函数，用以排序等工作
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public int CompareTo(object obj)
{
int res = 0;
try
{
AnsData ansobj = (AnsData)obj;
if (this.memory > ansobj.memory)
{
res = 1;
}
else if (this.memory < ansobj.memory)
{
res = -1;
}
else
{
if (this.size > ansobj.size)
{
res = 1;
}
else if (this.size < ansobj.size)
{
res = -1;
}
}
}
catch (Exception e)
{
throw new Exception("compare error", e.InnerException);
}
return(res);
}
/// <summary>
/// 自定义文件遍历方法，根据筛选器进行筛选，并生成自定义数据类型列表
/// </summary>
/// <param name="folder">文件夹位置</param>
/// <returns>遍历得到的文件列表</returns>
public static List <AnsData> GetAllFiles(string folder)
{
DirectoryInfo myfolder = new DirectoryInfo(folder);
FileInfo[] files = myfolder.GetFiles();
List <AnsData> ans = new List <AnsData>();
foreach (FileInfo file in files)
{
AnsData now = new AnsData(file.Name, file.Length, file.FullName);
bool flag = true;
foreach (string key in Consts.KEYWORDS)
{
if (!now.fullfilename.Contains(key))
{
flag = false;
break;
}
}
if (flag)
{
ans.Add(now);
}
}
return(ans);
}
/// <summary>
/// 相似度计算方法，代码核心
/// 综合两种文本相似度计算方法，召回率更高
/// </summary>
/// <param name="other">另一个自定义类型</param>
/// <returns>计算得到的相似度，在[0..1]范围内</returns>
public double calsim(AnsData other)
{
if (language != other.language)
{
return(0);
}
double memsim = (double)Math.Min(other.memory, memory) / (double)Math.Max(other.memory, memory);
double timesim = (double)Math.Min(other.time, time) / (double)Math.Max(other.time, time);
if (memsim < Consts.MEMTHRESHOLD || timesim < Consts.TIMETHRESHOLD)
{
return(memsim * timesim * 0.5);
}
double textsim = Math.Max(StringFunctions.calstringsim2(other.text, text), StringFunctions.calstringsim(other.text, text));
return(textsim * memsim * timesim);
}
/// <summary>
/// 相似度计算方法，代码核心，调参数的理想之地
/// </summary>
/// <param name="other">另一个自定义类型</param>
/// <returns>计算得到的相似度，在[0..1]范围内</returns>
public double calsim(AnsData other)
{
if (language != other.language) return 0;
double memsim = (double)Math.Min(other.memory, memory) / (double)Math.Max(other.memory, memory);
double timesim = (double)Math.Min(other.time, time) / (double)Math.Max(other.time, time);
if (memsim < Consts.MEMTHRESHOLD || timesim < Consts.TIMETHRESHOLD) return memsim * timesim * 0.5;
double textsim = StringFunctions.calstringsim(other.text, text);
return textsim * memsim * timesim;
}
/// <summary>
/// 自定义文件遍历方法，根据筛选器进行筛选，并生成自定义数据类型列表
/// </summary>
/// <param name="folder">文件夹位置</param>
/// <returns>遍历得到的文件列表</returns>
public static List<AnsData> GetAllFiles(string folder)
{
DirectoryInfo myfolder = new DirectoryInfo(folder);
FileInfo[] files = myfolder.GetFiles();
List<AnsData> ans = new List<AnsData>();
foreach (FileInfo file in files)
{
AnsData now = new AnsData(file.Name, file.Length, file.FullName);
bool flag = true;
foreach (string key in Consts.KEYWORDS)
{
if (!now.fullfilename.Contains(key))
{
flag = false;
break;
}
}
if (flag) ans.Add(now);
}
return ans;
}