/// <summary>
/// Remove an existing callback.
/// </summary>
/// <param name="node"></param>
/// <param name="cb"></param>
public void RemoveNodeHandler(string node, ItemCB cb)
{
CBHolder holder = null;
if (m_callbacks.TryGetValue(node, out holder))
{
// tests indicate removing from a list that doesn't contain this callback is safe.
holder.OnAdd -= cb;
holder.OnRemove -= cb;
}
}
/// <summary>
/// Adds a handler for the OnItemAdd event, and calls the handler for any existing
/// items. To prevent races, use this rather than .OnItemAdd +=.
/// </summary>
/// <param name="callback">Callback to call with every item.</param>
public void AddItemAddCallback(ItemCB callback)
{
if (callback == null)
{
throw new ArgumentException("Must not be null", "callback");
}
OnItemAdd += callback;
foreach (PubSubItem item in m_items)
{
callback(this, item);
}
}
/// <summary>
/// Add a handler for all inbound notifications with the given node name.
/// This is handy for PEP implicit subscriptions.
/// </summary>
/// <param name="node">PEP node URI</param>
/// <param name="addCB">Callback when items added</param>
/// <param name="removeCB">Callbacks when items removed</param>
/// <param name="maxNumber">Maximum number of items to store per node in this namespace</param>
public void AddNodeHandler(string node, ItemCB addCB, ItemCB removeCB, int maxNumber)
{
CBHolder holder = null;
if (!m_callbacks.TryGetValue(node, out holder))
{
holder = new CBHolder();
holder.Node = node;
holder.Max = maxNumber;
m_callbacks[node] = holder;
}
holder.OnAdd += addCB;
holder.OnRemove += removeCB;
}
/// <summary>
/// Adds a handler for the OnItemAdd event, and calls the handler for any existing
/// items. To prevent races, use this rather than .OnItemAdd +=.
/// </summary>
/// <param name="callback">Callback to call with every item.</param>
public void AddItemAddCallback(ItemCB callback)
{
if (callback == null)
throw new ArgumentException("Must not be null", "callback");
OnItemAdd += callback;
foreach (PubSubItem item in m_items)
{
callback(this, item);
}
}
/// <summary>
/// Remove an existing callback.
/// </summary>
/// <param name="node"></param>
/// <param name="cb"></param>
public void RemoveNodeHandler(string node, ItemCB cb)
{
CBHolder holder = null;
if (m_callbacks.TryGetValue(node, out holder))
{
// tests indicate removing from a list that doesn't contain this callback is safe.
holder.OnAdd -= cb;
holder.OnRemove -= cb;
}
}
/// <summary>
/// Add a handler for all inbound notifications with the given node name.
/// This is handy for PEP implicit subscriptions.
/// </summary>
/// <param name="node">PEP node URI</param>
/// <param name="addCB">Callback when items added</param>
/// <param name="removeCB">Callbacks when items removed</param>
/// <param name="maxNumber">Maximum number of items to store per node in this namespace</param>
public void AddNodeHandler(string node, ItemCB addCB, ItemCB removeCB, int maxNumber)
{
CBHolder holder = null;
if (!m_callbacks.TryGetValue(node, out holder))
{
holder = new CBHolder();
holder.Node = node;
holder.Max = maxNumber;
m_callbacks[node] = holder;
}
holder.OnAdd += addCB;
holder.OnRemove += removeCB;
}