/// <summary>
/// Performs a function invocation on the desired target method
/// </summary>
/// <param name="source">The source of the message</param>
/// <param name="message">The message object</param>
/// <returns>True if the method exists, false otherwise</returns>
public static bool Invoke(IMessageSource source, IMessage message)
{
string invocationTarget; if (message.TryGetInvocationTarget(out invocationTarget))
{
registryLock.ReadLock();
try
{
Action <IMessageSource, IMessage> target; if (registry.TryGetValue(invocationTarget, out target))
{
target(source, message);
return(true);
}
else
{
return(false);
}
}
finally
{
registryLock.ReadRelease();
}
}
else
{
return(false);
}
}
/// <summary>Check if node is already in the map.</summary>
internal virtual bool Contains(DatanodeDescriptor node)
{
if (node == null)
{
return(false);
}
string ipAddr = node.GetIpAddr();
hostmapLock.ReadLock().Lock();
try
{
DatanodeDescriptor[] nodes = map[ipAddr];
if (nodes != null)
{
foreach (DatanodeDescriptor containedNode in nodes)
{
if (node == containedNode)
{
return(true);
}
}
}
}
finally
{
hostmapLock.ReadLock().Unlock();
}
return(false);
}
public bool Dispatch(ref IMessage message)
{
subscriptionLock.ReadLock();
try
{
foreach (IPrioritizedActor actor in subscriptions)
{
try
{
if (actor.OnNext(message))
{
return(true);
}
}
catch (Exception er)
{
try
{
actor.OnError(er);
}
catch { }
}
}
}
finally
{
subscriptionLock.ReadRelease();
}
return(false);
}
public override bool TryGet(ref IMessage message, out IReactiveStream <IMessage, bool> result)
{
streamLock.ReadLock();
try
{
return(streams.TryGetValue(message.Id, out result));
}
finally
{
streamLock.ReadRelease();
}
}
public Task <IDictionary <long, WorkChapter> > GetWorkChaptersAsync(IEnumerable <long> works)
{
return(Task.Run(() =>
{
using (ReadWriteLock.ReadLock())
{
IDictionary <long, WorkChapter> r = new Dictionary <long, WorkChapter>();
foreach (long w in works)
{
if (storage.TryGetValue(w, out Work work))
{
r[w] = new WorkChapter(work);
}
}
return r;
}
}));
}
/// <summary>Given a string representation of a rack, return its children</summary>
/// <param name="loc">a path-like string representation of a rack</param>
/// <returns>a newly allocated list with all the node's children</returns>
public virtual IList <Node> GetDatanodesInRack(string loc)
{
netlock.ReadLock().Lock();
try
{
loc = NodeBase.Normalize(loc);
if (!NodeBase.Root.Equals(loc))
{
loc = Runtime.Substring(loc, 1);
}
NetworkTopology.InnerNode rack = (NetworkTopology.InnerNode)clusterMap.GetLoc(loc
);
if (rack == null)
{
return(null);
}
return(new AList <Node>(rack.GetChildren()));
}
finally
{
netlock.ReadLock().Unlock();
}
}