/// <summary>
/// 构造
/// </summary>
/// <param name="al"> 对象 </param>
/// <param name="name"> 对象锁的名字 </param>
/// <param name="elimination"> 排斥的名称，即如果有这些名称的锁定将不能再次锁定 </param>
/// <returns> 锁定范围，如果之前已锁定则为空 </returns>
/// <remarks>
/// 名称是大小写敏感的
/// </remarks>
public static AtomLockScope CreateLock(IAtomLock al, string name, params string[] elimination)
{
if (al.AtomLockNames == null)
{
al.AtomLockNames = new List <string>();
}
else if (al.AtomLockNames.Contains(name))
{
return(null);
}
else if (elimination != null && elimination.Length > 0)
{
if (elimination.Any(e => al.AtomLockNames.Contains(e)))
{
return(null);
}
}
using (ThreadLockScope.Scope(al))
{
al.AtomLockNames.Add(name);
}
return(new AtomLockScope
{
AtomLock = al,
LockName = name
});
}
/// <summary>
/// 构造
/// </summary>
/// <param name="al"> 对象 </param>
/// <returns> 锁定范围，如果之前已锁定则为空 </returns>
/// <remarks>
/// 名称是大小写敏感的
/// </remarks>
public static AtomLockScope CreateLock(IAtomLock al)
{
if (al.AtomLockNames == null)
{
al.AtomLockNames = new List <string>();
}
else if (al.AtomLockNames.Count > 0)
{
return(null);
}
using (ThreadLockScope.Scope(al))
{
al.AtomLockNames.Add("AtomLockScope");
}
return(new AtomLockScope
{
AtomLock = al
});
}
/// <summary>
/// 是否已锁定
/// </summary>
/// <param name="al"> 对象 </param>
/// <param name="name"> 对象锁的名字 </param>
/// <returns> 锁定范围，如果之前已锁定则为空 </returns>
/// <remarks>
/// 名称是大小写敏感的
/// </remarks>
public static bool IsLock(IAtomLock al, string name)
{
return(al.AtomLockNames != null && al.AtomLockNames.Contains(name));
}
