public void Free()
{
if (!this.providerObjectSet)
{
throw Fx.Exception.AsError(new InvalidOperationException(SRCore.HandleFreedBeforeInitialized));
}
if (!IsValid)
{
return;
}
List <InstanceHandleReference> handlesPendingResolution = null;
WaitForEventsAsyncResult resultToCancel = null;
try
{
bool needNotification = false;
InstancePersistenceContext currentContext = null;
lock (ThisLock)
{
if (!IsValid)
{
return;
}
IsValid = false;
IEnumerable <XName> eventsToUnbind = null;
if (this.pendingOwnerEvents != null && this.pendingOwnerEvents.Count > 0)
{
eventsToUnbind = this.pendingOwnerEvents.Select(persistenceEvent => persistenceEvent.Name);
}
if (this.boundOwnerEvents != null && this.boundOwnerEvents.Count > 0)
{
eventsToUnbind = eventsToUnbind == null ? this.boundOwnerEvents : eventsToUnbind.Concat(this.boundOwnerEvents);
}
if (eventsToUnbind != null)
{
Fx.Assert(Owner != null, "How do we have owner events without an owner.");
Store.RemoveHandleFromEvents(this, eventsToUnbind, Owner);
}
if (this.waitResult != null)
{
resultToCancel = this.waitResult;
this.waitResult = null;
}
if (OperationPending)
{
if (AcquirePending != null)
{
// If in this stage, we need to short-circuit the pending transaction.
Fx.Assert(CurrentTransactionalAsyncResult != null, "Should have a pending transaction if we are waiting for it.");
CurrentTransactionalAsyncResult.WaitForHostTransaction.Set();
this.needFreedNotification = true;
}
else
{
// Here, just notify the currently executing command.
Fx.Assert(CurrentExecutionContext != null, "Must have either this or AcquirePending set.");
currentContext = CurrentExecutionContext;
}
}
else
{
needNotification = true;
if (this.inProgressBind != null)
{
Owner.CancelBind(ref this.inProgressBind, ref handlesPendingResolution);
}
else if (Version != -1)
{
// This means the handle was successfully bound in the past. Need to remove it from the table of handles.
Owner.Unbind(this);
}
}
}
if (currentContext != null)
{
// Need to do this not in a lock.
currentContext.NotifyHandleFree();
lock (ThisLock)
{
if (OperationPending)
{
this.needFreedNotification = true;
// Cancel any pending lock reclaim here.
if (this.inProgressBind != null)
{
Fx.Assert(Owner != null, "Must be bound to owner to have an inProgressBind for the lock in CancelReclaim.");
// Null reason defaults to OperationCanceledException. (Defer creating it since this might not be a
// reclaim attempt, but we don't know until we take the HandlesLock.)
Owner.FaultBind(ref this.inProgressBind, ref handlesPendingResolution, null);
}
}
else
{
needNotification = true;
}
}
}
if (needNotification)
{
Store.FreeInstanceHandle(this, ProviderObject);
}
}
finally
{
if (resultToCancel != null)
{
resultToCancel.Canceled();
}
InstanceOwner.ResolveHandles(handlesPendingResolution);
}
}
public void Free()
{
if (!this.providerObjectSet)
{
throw Fx.Exception.AsError(new InvalidOperationException(SRCore.HandleFreedBeforeInitialized));
}
if (this.IsValid)
{
List <InstanceHandleReference> handlesPendingResolution = null;
WaitForEventsAsyncResult waitResult = null;
try
{
bool flag = false;
InstancePersistenceContext currentExecutionContext = null;
lock (this.ThisLock)
{
if (!this.IsValid)
{
return;
}
this.IsValid = false;
IEnumerable <XName> first = null;
if ((this.pendingOwnerEvents != null) && (this.pendingOwnerEvents.Count > 0))
{
first = from persistenceEvent in this.pendingOwnerEvents select persistenceEvent.Name;
}
if ((this.boundOwnerEvents != null) && (this.boundOwnerEvents.Count > 0))
{
first = (first == null) ? this.boundOwnerEvents : first.Concat <XName>(this.boundOwnerEvents);
}
if (first != null)
{
this.Store.RemoveHandleFromEvents(this, first, this.Owner);
}
if (this.waitResult != null)
{
waitResult = this.waitResult;
this.waitResult = null;
}
if (this.OperationPending)
{
if (this.AcquirePending != null)
{
this.CurrentTransactionalAsyncResult.WaitForHostTransaction.Set();
this.needFreedNotification = true;
}
else
{
currentExecutionContext = this.CurrentExecutionContext;
}
}
else
{
flag = true;
if (this.inProgressBind != null)
{
this.Owner.CancelBind(ref this.inProgressBind, ref handlesPendingResolution);
}
else if (this.Version != -1L)
{
this.Owner.Unbind(this);
}
}
}
if (currentExecutionContext != null)
{
currentExecutionContext.NotifyHandleFree();
lock (this.ThisLock)
{
if (this.OperationPending)
{
this.needFreedNotification = true;
if (this.inProgressBind != null)
{
this.Owner.FaultBind(ref this.inProgressBind, ref handlesPendingResolution, null);
}
}
else
{
flag = true;
}
}
}
if (flag)
{
this.Store.FreeInstanceHandle(this, this.ProviderObject);
}
}
finally
{
if (waitResult != null)
{
waitResult.Canceled();
}
InstanceOwner.ResolveHandles(handlesPendingResolution);
}
}
}
