public virtual int CompareTo(Delayed delayed)
{
DelegationTokenRenewer.RenewAction <object> that = (DelegationTokenRenewer.RenewAction
<object>)delayed;
return(this.renewalTime < that.renewalTime ? -1 : this.renewalTime == that.renewalTime
? 0 : 1);
}
/// <summary>Remove the associated renew action from the queue</summary>
/// <exception cref="System.IO.IOException"/>
public virtual void RemoveRenewAction <T>(T fs)
where T : FileSystem
{
DelegationTokenRenewer.RenewAction <T> action = new DelegationTokenRenewer.RenewAction
<T>(fs);
if (queue.Remove(action))
{
try
{
action.Cancel();
}
catch (Exception ie)
{
Log.Error("Interrupted while canceling token for " + fs.GetUri() + "filesystem");
if (Log.IsDebugEnabled())
{
Log.Debug(ie.GetStackTrace());
}
}
}
}
/// <summary>Add a renew action to the queue.</summary>
public virtual DelegationTokenRenewer.RenewAction <T> AddRenewAction <T>(T fs)
where T : FileSystem
{
lock (this)
{
if (!IsAlive())
{
Start();
}
}
DelegationTokenRenewer.RenewAction <T> action = new DelegationTokenRenewer.RenewAction
<T>(fs);
if (action.token != null)
{
queue.AddItem(action);
}
else
{
fs.Log.Error("does not have a token for renewal");
}
return(action);
}
public override void Run()
{
for (; ;)
{
DelegationTokenRenewer.RenewAction <object> action = null;
try
{
action = queue.Take();
if (action.Renew())
{
queue.AddItem(action);
}
}
catch (Exception)
{
return;
}
catch (Exception ie)
{
action.weakFs.Get().Log.Warn("Failed to renew token, action=" + action, ie);
}
}
}
