public LockResult Lock(IStoreItem item, LockType lockType, LockScope lockScope, XElement owner, Uri lockRootUri, bool recursive, IEnumerable <int> timeouts)
{
// Determine the expiration based on the first time-out
var timeout = timeouts.Cast <int?>().FirstOrDefault();
// Determine the item's key
var key = item.UniqueKey;
lock (_itemLocks)
{
// Make sure the item is in the dictionary
if (!_itemLocks.TryGetValue(key, out var itemLockTypeDictionary))
{
_itemLocks.Add(key, itemLockTypeDictionary = new EfsStoreLockingManager.ItemLockTypeDictionary());
}
// Make sure there is already a lock-list for this type
if (!itemLockTypeDictionary.TryGetValue(lockType, out var itemLockList))
{
// Create a new lock-list
itemLockTypeDictionary.Add(lockType, itemLockList = new EfsStoreLockingManager.ItemLockList());
}
else
{
// Check if there is already an exclusive lock
if (itemLockList.Any(l => l.Scope == LockScope.Exclusive))
{
return(new LockResult(DavStatusCode.Locked));
}
}
// Create the lock info object
var itemLockInfo = new EfsStoreLockingManager.ItemLockInfo(item, lockType, lockScope, lockRootUri, recursive, owner, timeout ?? -1);
// Add the lock
itemLockList.Add(itemLockInfo);
// Return the active lock
return(new LockResult(DavStatusCode.Ok, GetActiveLockInfo(itemLockInfo)));
}
}
private static ActiveLock GetActiveLockInfo(EfsStoreLockingManager.ItemLockInfo itemLockInfo)
{
return(new ActiveLock(itemLockInfo.Type, itemLockInfo.Scope, itemLockInfo.Recursive ? int.MaxValue : 0, itemLockInfo.Owner, itemLockInfo.Timeout, new Uri($"{TokenScheme}:{itemLockInfo.Token:D}"), itemLockInfo.LockRootUri));
}
