public static LightningContext Get(Accelerator accelerator)
{
Debug.Assert(accelerator != null, "Invalid accelerator");
readerWriterLock.EnterUpgradeableReadLock();
try
{
if (!cache.TryGetValue(accelerator, out LightningContext result))
{
readerWriterLock.EnterWriteLock();
try
{
result = new LightningContext(accelerator);
accelerator.Disposed += DisposedCallback;
cache.Add(accelerator, result);
}
finally
{
readerWriterLock.ExitWriteLock();
}
}
return(result);
}
finally
{
readerWriterLock.ExitUpgradeableReadLock();
}
}
public static LightningContext Get(Accelerator accelerator)
{
if (accelerator == null)
{
throw new ArgumentNullException(nameof(accelerator));
}
lock (cache)
{
if (!cache.TryGetValue(accelerator, out LightningContext result))
{
result = new LightningContext(accelerator);
accelerator.Disposed += DisposedCallback;
cache.Add(accelerator, result);
}
return(result);
}
}