| public Unlock ( ISystemContext context ) : void | ||
| context | ISystemContext | |
| Результат | void | |
/// <summary>
/// Called when a session is closed.
/// </summary>
public override void SessionClosing(OperationContext context, NodeId sessionId, bool deleteSubscriptions)
{
lock (Lock)
{
List <NodeId> locks = null;
if (!m_sessionLocks.TryGetValue(sessionId, out locks))
{
return;
}
m_sessionLocks.Remove(sessionId);
for (int ii = 0; ii < locks.Count; ii++)
{
DsatsDemo.LockConditionState node = (DsatsDemo.LockConditionState)FindPredefinedNode(locks[ii], typeof(DsatsDemo.LockConditionState));
if (node != null)
{
node.SessionId.Value = null;
node.ClientUserId.Value = null;
node.SubjectName.Value = null;
node.Unlock(SystemContext);
node.ReportEvent(SystemContext, node);
}
}
}
}
private ServiceResult OnReleaseLock(
ISystemContext context,
MethodState method,
NodeId objectId,
IList <object> inputArguments,
IList <object> outputArguments)
{
DsatsDemo.LockConditionState node = (DsatsDemo.LockConditionState)FindPredefinedNode(objectId, typeof(DsatsDemo.LockConditionState));
if (!node.EnabledState.Id.Value)
{
return(StatusCodes.BadConditionDisabled);
}
if (node.LockState.CurrentState.Id.Value == new NodeId(DsatsDemo.Objects.LockStateMachineType_Unlocked, NamespaceIndex))
{
return(StatusCodes.BadConditionNotShelved);
}
// non-admins can only release their own locks.
if (!CheckAdminAccess(context))
{
if (!SessionHasLock(context, objectId))
{
return(StatusCodes.BadUserAccessDenied);
}
}
// revoke the lock.
RevokeLockForSession(context, node.SessionId.Value, objectId);
node.SessionId.Value = null;
node.ClientUserId.Value = null;
node.SubjectName.Value = null;
node.Unlock(context);
node.ReportEvent(context, node);
node.ClearChangeMasks(context, true);
return(ServiceResult.Good);
}
