public static Boolean PerformPassivation(ref Int32 transitionState, ref InProgressTracker passivationInProgress, InProgressTracker activationInProgress, Int32 waitTime, Action passivationAction)
{
Int32 initialState = (Int32)(new InProgressTracker().Equals(activationInProgress) ? ActivationState.DURING_ACTIVATION : ActivationState.ACTIVE);
Int32 prevState;
Boolean actionInvoked;
Boolean tryAgain;
#if SILVERLIGHT
using (var waitEvt = new ManualResetEvent(false))
#else
using (var waitEvt = new ManualResetEventSlim(false))
#endif
{
do
{
prevState = ApplicationSkeleton.ThreadsafeStateTransition(ref transitionState, initialState, (Int32)ActivationState.DURING_PASSIVATION, (Int32)ActivationState.PASSIVE, false, ref passivationInProgress, waitTime, passivationAction);
actionInvoked = prevState == initialState;
tryAgain = !actionInvoked && prevState != (Int32)ActivationState.PASSIVE && prevState != (Int32)ActivationState.DURING_PASSIVATION;
if (tryAgain && initialState == (Int32)ActivationState.ACTIVE)
{
// Wait if we are not inside activation action,
// and if transition state change failed because activation is in progress.
#if SILVERLIGHT
waitEvt.WaitOne(waitTime);
#else
waitEvt.Wait(waitTime);
#endif
}
} while (tryAgain);
}
return(actionInvoked);
}
public void DisablePrototype(Int32 compositeMethodIndex, MethodGenericArgumentsInfo gArgsInfo, AbstractFragmentMethodModel nextMethod)
{
ApplicationSkeleton.ThreadsafeStateTransition(ref this._isPrototype, (Int32)PrototypeState.PROTOTYPE, (Int32)PrototypeState.IN_TRANSITION_RUNNING_ACTION, (Int32)PrototypeState.NOT_PROTOTYPE, true, ref this._isPrototypeTransitionInProgress, ApplicationSkeleton.WAIT_TIME, () =>
{
this.RunPrototypeAction(compositeMethodIndex, gArgsInfo, nextMethod);
Interlocked.Exchange(ref this._isPrototype, (Int32)PrototypeState.IN_TRANSITION_CHECKING_STATE);
this.CheckCompositeState(compositeMethodIndex, gArgsInfo, nextMethod);
((CompositeModelImmutable)this.ModelInfo.Model).InvokeCompositeInstantiated(this);
});
}
internal void RunPassivationActionIfNeeded()
{
ApplicationSkeleton.PerformPassivation(ref this._activationState, ref this._passivationInProgress, this._activationInProgress, ApplicationSkeleton.WAIT_TIME, () =>
{
try
{
if (this._passivationAction != null)
{
this._passivationAction();
}
}
finally
{
((ServiceCompositeModelImmutable)this.ModelInfo.Model).InvokeAfterPassivation(this);
}
});
}
public void ActivateIfNeeded(Int32 compositeMethodIndex, MethodGenericArgumentsInfo gArgsInfo, AbstractFragmentMethodModel nextFragment)
{
if ((Int32)ActivatingAllowed.ALLOWED == this._activatingAllowed)
{
ApplicationSkeleton.PerformActivation(ref this._activationState, ref this._activationInProgress, this._passivationInProgress, ApplicationSkeleton.WAIT_TIME, false, () =>
{
CompositePropertySPI idProp = (CompositePropertySPI)this.State.Properties[IDENTITY_QNAME];
if (Convert.ToBoolean(this._needToSetIdentity))
{
idProp.PropertyValueAsObject = this._serviceID;
Interlocked.Exchange(ref this._needToSetIdentity, Convert.ToInt32(false));
}
// Disable prototype
this.DisablePrototype(compositeMethodIndex, gArgsInfo, nextFragment);
if (this._activationAction != null)
{
var compositeMethod = this.GetCompositeMethodInfo(compositeMethodIndex, gArgsInfo);
if (compositeMethod != null)
{
this.InvocationInfo = new InvocationInfoImpl(compositeMethod, nextFragment);
}
try
{
this._activationAction();
}
finally
{
if (compositeMethod != null)
{
this.InvocationInfo = null;
}
}
}
((ServiceCompositeModelImmutable)this.ModelInfo.Model).InvokeAfterActivation(this);
});
}
}
