/// <summary>
/// Adds the and lock ro.
/// </summary>
/// <param name="n">The n.</param>
/// <param name="level">Level of the node</param>
/// <returns>true if the lock was acquired with this call. false if it was already acquired</returns>
public bool AddLockRo(Node n, int level)
{
if (n == null)
{
throw new ArgumentNullException("n");
}
n.Persisted.AppendRead(this.changelist);
ISessionAuth auth = this.sessionAuth;
if (!auth.IsSuperSession)
{
n.AclAllows(auth, Perm.READ);
}
// check for lockdown path
this.ValidatePathNotInLockDown(n, false);
if (this.readonlyInterfaceRequiresLocks)
{
if (!auth.IsLockFreeSession)
{
this.lockCollections.AddLock(n, level, false);
return(true);
}
}
return(false);
}
/// <inheritdoc />
public bool AddLockRw(Node n, Perm perm, int level, bool isChildEphemeral)
{
if (n == null)
{
throw new ArgumentNullException("n");
}
n.Persisted.AppendRead(this.changelist);
ISessionAuth auth = this.sessionAuth;
if (!auth.IsSuperSession)
{
n.AclAllows(auth, perm);
}
if (this.onlyOnEphemeral)
{
bool allowed = true;
// n is ephemeral --> allowed.
// n is not ephemeral --> maybe.
if (!n.Persisted.IsEphemeral)
{
if (perm != Perm.CREATE)
{
// not CREATE --> disallowed
allowed = false;
}
else
{
// if child is not ephemeral, disallowed
if (!isChildEphemeral)
{
allowed = false;
}
}
}
if (!allowed)
{
throw new InvalidAclException(Node.BuildPath(n.Persisted), "only ephemerals can be modified by this session");
}
}
// check for lockdown path
this.ValidatePathNotInLockDown(n, true);
if (!auth.IsLockFreeSession)
{
this.lockCollections.AddLock(n, level, true);
return(true);
}
return(false);
}
/// <inheritdoc />
public bool AddLockRo(Node n, int level)
{
if (n == null)
{
throw new ArgumentNullException("n");
}
if (!this.auth.IsSuperSession)
{
n.AclAllows(this.auth, Perm.READ);
}
return(false);
}
