public long AddObject(object obj, long parentHandle)
{
MrsTracer.ProxyService.Function("HandleCache.AddObject({0})", new object[]
{
obj.GetType().Name
});
long handle;
lock (this.locker)
{
HandleCache.HandleRec handleRec = new HandleCache.HandleRec();
handleRec.Obj = obj;
handleRec.ParentHandle = parentHandle;
handleRec.Handle = this.nextHandleValue;
this.nextHandleValue += 1L;
this.cache.Add(handleRec.Handle, handleRec);
MrsTracer.ProxyService.Debug("HandleCache.AddObject({0}) returns {1}", new object[]
{
obj.GetType().Name,
handleRec.Handle
});
handle = handleRec.Handle;
}
return(handle);
}
public T GetObject <T>(long handle) where T : class
{
MrsTracer.ProxyService.Function("HandleCache.GetObject<{1}>({0})", new object[]
{
handle,
typeof(T).Name
});
T result;
lock (this.locker)
{
HandleCache.HandleRec handleRec = this.FindObject(handle, HandleCache.FindObjectOptions.MustExist);
T t = handleRec.Obj as T;
if (t == null)
{
MrsTracer.ProxyService.Error("Handle {0} has wrong type: {1}, expected {2}.", new object[]
{
handle,
handleRec.Obj.GetType().Name,
typeof(T).Name
});
throw new InvalidHandleTypePermanentException(handle, handleRec.Obj.GetType().Name, typeof(T).Name);
}
result = t;
}
return(result);
}
private void RemoveFromCache(HandleCache.HandleRec rec)
{
Lazy <List <HandleCache.HandleRec> > lazy = new Lazy <List <HandleCache.HandleRec> >(() => new List <HandleCache.HandleRec>());
foreach (HandleCache.HandleRec handleRec in this.cache.Values)
{
if (handleRec.ParentHandle == rec.Handle)
{
lazy.Value.Add(handleRec);
}
}
if (lazy.IsValueCreated)
{
foreach (HandleCache.HandleRec rec2 in lazy.Value)
{
this.RemoveFromCache(rec2);
}
}
IDisposable disposable = rec.Obj as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
this.cache.Remove(rec.Handle);
}
public void ReleaseObject(long handle)
{
MrsTracer.ProxyService.Function("HandleCache.ReleaseObject({0})", new object[]
{
handle
});
lock (this.locker)
{
HandleCache.HandleRec handleRec = this.FindObject(handle, HandleCache.FindObjectOptions.MayBeAbsent);
if (handleRec != null)
{
this.RemoveFromCache(handleRec);
}
}
}
public long GetParentHandle(long handle)
{
MrsTracer.ProxyService.Function("HandleCache.GetParentHandle({0})", new object[]
{
handle
});
long parentHandle;
lock (this.locker)
{
HandleCache.HandleRec handleRec = this.FindObject(handle, HandleCache.FindObjectOptions.MustExist);
parentHandle = handleRec.ParentHandle;
}
return(parentHandle);
}
protected override void InternalDispose(bool calledFromDispose)
{
if (calledFromDispose)
{
lock (this.locker)
{
if (this.cache.Count > 0)
{
MrsTracer.ProxyService.Error("HandleCache being disposed with {0} open handles", new object[]
{
this.cache.Count
});
while (this.cache.Count > 0)
{
HandleCache.HandleRec rec = this.cache.Values.First <HandleCache.HandleRec>();
this.RemoveFromCache(rec);
}
}
}
}
}
