/// <summary>
/// Disposes the lock.
/// </summary>
/// <param name="lockInfo">The lock information.</param>
private static void DisposeLock(ResourceLockInfo lockInfo)
{
using (_resourcesLock.WriterLock())
{
lockInfo.DecrementReferenceCount();
if (lockInfo.CanDispose())
{
_resources.Remove(lockInfo.NamedKey);
lockInfo.Dispose();
}
}
}
/// <summary>
/// Disposes the lock.
/// </summary>
/// <param name="lockInfo">The lock information.</param>
private static void DisposeLock(ResourceLockInfo lockInfo)
{
_resourcesLock.EnterWriteLock();
try
{
lockInfo.DecrementReferenceCount();
if (lockInfo.CanDispose())
{
_resources.Remove(lockInfo.NamedKey);
lockInfo.Dispose();
}
}
finally
{
_resourcesLock.ExitWriteLock();
}
}
/// <summary>
/// Gets the lock information.
/// </summary>
/// <param name="nameKey">The name key.</param>
/// <returns></returns>
private static ResourceLockInfo GetLockInfo(string nameKey)
{
_resourcesLock.EnterReadLock();
try
{
if (_resources.ContainsKey(nameKey))
{
var lockInfo = _resources[nameKey];
lockInfo.IncrementReferenceCount();
return(lockInfo);
}
}
finally
{
_resourcesLock.ExitReadLock();
}
_resourcesLock.EnterWriteLock();
try
{
ResourceLockInfo lockInfo;
if (_resources.ContainsKey(nameKey))
{
lockInfo = _resources[nameKey];
lockInfo.IncrementReferenceCount();
return(lockInfo);
}
lockInfo = new ResourceLockInfo(nameKey)
{
Lock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion)
};
lockInfo.IncrementReferenceCount();
_resources.Add(nameKey, lockInfo);
return(lockInfo);
}
finally
{
_resourcesLock.ExitWriteLock();
}
}
/// <summary>
/// Gets the lock information.
/// </summary>
/// <param name="nameKey">The name key.</param>
/// <returns></returns>
private static ResourceLockInfo GetLockInfo(string nameKey)
{
using (_resourcesLock.ReaderLock())
{
if (_resources.ContainsKey(nameKey))
{
var lockInfo = _resources[nameKey];
lockInfo.IncrementReferenceCount();
return(lockInfo);
}
}
using (_resourcesLock.WriterLock())
{
ResourceLockInfo lockInfo;
if (_resources.ContainsKey(nameKey))
{
lockInfo = _resources[nameKey];
lockInfo.IncrementReferenceCount();
return(lockInfo);
}
lockInfo = new ResourceLockInfo(nameKey)
{
Lock = new AsyncReaderWriterLock()
};
lockInfo.IncrementReferenceCount();
_resources.Add(nameKey, lockInfo);
return(lockInfo);
}
}
