public ApplicationSkeleton(
ApplicationModel <ApplicationSPI> applicationModel,
IEnumerable <Tuple <CompositeModelType, CompositeModelTypeModelScopeSupport> > compositeModelTypeSupport,
String name,
String mode,
String version
)
{
this._model = applicationModel;
this._collectionsFactory = applicationModel.CollectionsFactory;
this._name = name;
this._mode = mode;
this._version = version;
this._constraintInstancePools = new
#if SILVERLIGHT
Dictionary <Type, InstancePool <Object> >();
#else
System.Collections.Concurrent.ConcurrentDictionary <Type, InstancePool <Object> >();
#endif
this._compositeModelTypeSupport = this._model.CollectionsFactory.NewDictionaryProxy <CompositeModelType, CompositeModelTypeInstanceScopeSupport>(compositeModelTypeSupport.ToDictionary(tuple => tuple.Item1, tuple => tuple.Item2.CreateInstanceScopeSupport())).CQ;
this._activationState = (Int32)ActivationState.PASSIVE;
//this._disposedState = Convert.ToInt32( false );
this._activationInProgress = null;
this._passivationInProgress = null;
this._cancelTokenSource = new CancellationTokenSource();
}
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);
}
internal ServiceCompositeInstanceImpl(CompositeInstanceStructureOwner structureOwner, CompositeModel model, IEnumerable <Type> publicCompositeType, UsesContainerQuery usesContainer, String serviceID, MainCompositeConstructorArguments mainCtorArgs)
: base(structureOwner, model, publicCompositeType, usesContainer, mainCtorArgs)
{
var publicCtors = mainCtorArgs.Arguments;
this._activationState = (Int32)ActivationState.PASSIVE;
this._activationInProgress = null;
this._activationAction = (Action)publicCtors[COMPOSITE_CTOR_FIRST_ADDITIONAL_PARAM_IDX + COMPOSITE_CTOR_ADDITIONAL_PARAMS_COUNT];
this._passivationInProgress = null;
this._passivationAction = (Action)publicCtors[COMPOSITE_CTOR_FIRST_ADDITIONAL_PARAM_IDX + COMPOSITE_CTOR_ADDITIONAL_PARAMS_COUNT + 1];
this._serviceID = serviceID;
this._activatingAllowed = (Int32)ActivatingAllowed.ALLOWED;
this._needToSetIdentity = Convert.ToInt32(true);
}
public static Boolean PerformActivation(ref Int32 transitionState, ref InProgressTracker activationInProgress, InProgressTracker passivationInProgress, Int32 waitTime, Boolean throwIfActivatingWithinPassivation, Action activationAction)
{
var passivationInProgressBool = new InProgressTracker().Equals(passivationInProgress);
if (throwIfActivatingWithinPassivation && passivationInProgressBool)
{
// Trying to activate within passivation => not possible
throw new InvalidOperationException("Can not activate from within passivation.");
}
Boolean result;
Int32 prevState;
Boolean tryAgain;
#if SILVERLIGHT
using (var waitEvt = new ManualResetEvent(false))
#else
using (var waitEvt = new ManualResetEventSlim(false))
#endif
{
do
{
prevState = ThreadsafeStateTransition(ref transitionState, (Int32)ActivationState.PASSIVE, (Int32)ActivationState.DURING_ACTIVATION, (Int32)ActivationState.ACTIVE, true, ref activationInProgress, waitTime, activationAction);
result = prevState == (Int32)ActivationState.PASSIVE;
// Try again only if we are waiting for passivation to end in another thread
tryAgain = !result && prevState == (Int32)ActivationState.DURING_PASSIVATION && !passivationInProgressBool;
if (tryAgain)
{
#if SILVERLIGHT
waitEvt.WaitOne(waitTime);
#else
waitEvt.Wait(waitTime);
#endif
}
} while (tryAgain);
}
return(result);
}
public static Int32 ThreadsafeStateTransition(ref Int32 transitionState, Int32 initialState, Int32 intermediate, Int32 final, Boolean rollbackStateOnFailure, ref InProgressTracker inProgressTracker, Int32 waitTime, Action transitionAction)
{
Int32 oldValue = Interlocked.CompareExchange(ref transitionState, intermediate, initialState);
if (initialState == oldValue)
{
Boolean finished = false;
try
{
Interlocked.Exchange(ref inProgressTracker, new InProgressTracker());
transitionAction();
finished = true;
}
finally
{
Interlocked.Exchange(ref inProgressTracker, null);
Interlocked.Exchange(ref transitionState, finished || !rollbackStateOnFailure ? final : initialState);
}
}
else if (final != oldValue && !(new InProgressTracker()).Equals(inProgressTracker))
{
// We are entering mid-transition from another thread
#if SILVERLIGHT
using (var evt = new ManualResetEvent(false))
#else
using (var evt = new ManualResetEventSlim(false))
#endif
{
while (inProgressTracker != null)
{
// Wait
#if SILVERLIGHT
evt.WaitOne(waitTime);
#else
evt.Wait(waitTime);
#endif
}
}
}
return(oldValue);
}
protected CompositeInstanceImpl(
CompositeInstanceStructureOwner structureOwner,
CompositeModel model,
IEnumerable <Type> publicCompositeTypes,
UsesContainerQuery usesContainer,
MainCompositeConstructorArguments publicCtorArgsObject
)
{
ArgumentValidator.ValidateNotNull("Structure owner", structureOwner);
ArgumentValidator.ValidateNotNull("Composite model", model);
ArgumentValidator.ValidateNotEmpty("Composite type", publicCompositeTypes);
ArgumentValidator.ValidateNotNull("Container for objects to be used in fragment creation", usesContainer);
this._structureOwner = structureOwner;
var application = this._structureOwner.Application;
this._modelInfo = this._structureOwner.ModelInfoContainer.GetCompositeModelInfo(model);
if (publicCompositeTypes.Any(pcType => pcType.ContainsGenericParameters()))
{
throw new InternalException("With given public composite types {" + String.Join(", ", publicCompositeTypes) + "} and public composite type in model being [" + String.Join(", ", model.PublicTypes) + "], the public composite types contained non-closed generic parameters.");
}
this._usesContainer = usesContainer;
this._isPrototype = (Int32)PrototypeState.PROTOTYPE;
this._invocationInfos = new Lazy <ThreadLocal <Stack <InvocationInfo> > >(() => new ThreadLocal <Stack <InvocationInfo> >(() => new Stack <InvocationInfo>()), LazyThreadSafetyMode.PublicationOnly);
var composites = application.CollectionsFactory.NewDictionaryProxy <Type, Object>();
var cProps = application.CollectionsFactory.NewListProxy(new List <CompositeProperty>(model.Methods.Count * 2));
var cEvents = application.CollectionsFactory.NewListProxy(new List <CompositeEvent>(model.Methods.Count * 2));
var publicTypeGenResult = this._modelInfo.Types;
var factory = publicTypeGenResult.CompositeFactory;
var gArgs = publicTypeGenResult.PublicCompositeGenericArguments.Count == 0 ? null : new Type[publicTypeGenResult.GeneratedMainPublicType.GetGenericArguments().Length];
this._gArgs = gArgs;
foreach (var pType in publicCompositeTypes)
{
ListQuery <Int32> gArgInfo = null;
if (publicTypeGenResult.PublicCompositeGenericArguments.TryGetValue(pType.GetGenericDefinitionIfGenericType(), out gArgInfo))
{
var declaredGArgs = pType.GetGenericArguments();
for (Int32 i = 0; i < declaredGArgs.Length; ++i)
{
gArgs[gArgInfo[i]] = declaredGArgs[i];
}
}
}
if (gArgs != null && gArgs.Any(gArg => gArg == null))
{
throw new InvalidCompositeTypeException(publicCompositeTypes, "Could not find suitable generic argument for all public types of composite " + this._modelInfo.Model + ".");
}
Action prePrototypeAction = null;
var publicCtorArgs = new Object[publicTypeGenResult.MaxParamCountForCtors];
Object[] compositeCtorParams = null;
foreach (var genType in publicTypeGenResult.GeneratedPublicTypes)
{
var isMainType = genType.GeneratedType.Equals(this._modelInfo.Types.GeneratedMainPublicType);
var curCtorArgs = isMainType ? publicCtorArgs : compositeCtorParams;
this.SetCompositeCtorArgs(ref curCtorArgs, cProps.AO, cEvents.AO);
var publicComposite = factory.CreateInstance(genType.GeneratedTypeID, gArgs, curCtorArgs);
foreach (var cType in this.GetTypeKeysForGeneratedType(publicComposite.GetType(), true, isMainType))
{
composites[cType] = publicComposite;
}
if (isMainType)
{
if (publicCtorArgsObject != null)
{
publicCtorArgsObject.Arguments = curCtorArgs;
}
prePrototypeAction = (Action)publicCtorArgs[COMPOSITE_CTOR_FIRST_ADDITIONAL_PARAM_IDX];
this._prototypeAction = (Action)publicCtorArgs[COMPOSITE_CTOR_FIRST_ADDITIONAL_PARAM_IDX + 1];
this._checkStateFunc = (Action <IDictionary <QualifiedName, IList <ConstraintViolationInfo> > >)publicCtorArgs[COMPOSITE_CTOR_FIRST_ADDITIONAL_PARAM_IDX + 2];
this._compositeMethods = new Lazy <MethodInfo[]>(() => ((CompositeCallbacks)publicComposite).GetCompositeMethods(), LazyThreadSafetyMode.ExecutionAndPublication);
}
}
this._isPrototypeTransitionInProgress = null;
this.SetCompositeCtorArgs(ref compositeCtorParams, cProps.AO, cEvents.AO);
foreach (var typeGenResult in publicTypeGenResult.PrivateCompositeGenerationResults)
{
var privateComposite = factory.CreateInstance(typeGenResult.GeneratedTypeID, gArgs, compositeCtorParams);
foreach (var cTypeOrParent in this.GetTypeKeysForGeneratedType(privateComposite.GetType(), false, false))
{
composites.Add(cTypeOrParent, privateComposite);
}
}
this._composites = composites.CQ;
this._methodsToModels = new Lazy <DictionaryQuery <MethodInfo, CompositeMethodModel> >(() =>
{
var retVal = new Dictionary <MethodInfo, CompositeMethodModel>();
var cMethods = this._compositeMethods.Value;
for (var i = 0; i < cMethods.Length; ++i)
{
var cm = cMethods[i];
retVal.Add(cm, this._modelInfo.Model.Methods[i]);
}
return(application.CollectionsFactory.NewDictionaryProxy(retVal).CQ);
}, LazyThreadSafetyMode.ExecutionAndPublication);
this._state = new CompositeStateImpl(this._structureOwner.Application.CollectionsFactory, cProps.CQ, cEvents.CQ);
this._fragmentInstancePools = this.CreatePoolDictionary <FragmentTypeGenerationResult, FragmentInstance>(
gArgs,
this._modelInfo.Types.FragmentGenerationResults.Where(fGenResult => fGenResult.InstancePoolRequired),
application.CollectionsFactory);
var fInstances = application.CollectionsFactory.NewDictionaryProxy(new Dictionary <Type, FragmentInstance>());
foreach (var genResult in publicTypeGenResult.FragmentGenerationResults.Where(val => !val.InstancePoolRequired))
{
var genType = genResult.GeneratedType;
if (gArgs != null)
{
genType = genType.MakeGenericType(gArgs);
}
else if (genType.ContainsGenericParameters())
{
throw new InternalException("Could not find generic arguments for fragment type " + genResult.DeclaredType + ".");
}
fInstances.Add(genType, new FragmentInstanceImpl());
}
this._fragmentInstances = fInstances.CQ;
this._concernInvocationInstances = this.CreatePoolDictionary <TypeGenerationResult, FragmentDependant>(gArgs, publicTypeGenResult.ConcernInvocationGenerationResults, application.CollectionsFactory);
this._sideEffectInvocationInstances = this.CreatePoolDictionary <TypeGenerationResult, FragmentDependant>(gArgs, publicTypeGenResult.SideEffectGenerationResults, application.CollectionsFactory);
this._constructorsForFragments = application.CollectionsFactory.NewDictionaryProxy <Type, ListQuery <FragmentConstructorInfo> >(this._fragmentInstancePools.Keys.Concat(this._fragmentInstances.Keys)
.ToDictionary(
fType => fType,
fType => application.CollectionsFactory.NewListProxy(fType
.GetAllInstanceConstructors()
.Select(fCtor =>
{
Int32 idx;
return(fCtor.TryGetConstructorModelIndex(out idx) ?
new FragmentConstructorInfo(model.Constructors[idx], fCtor) :
null);
})
.Where(i => i != null)
.ToList()
).CQ
)).CQ;
if (prePrototypeAction != null)
{
prePrototypeAction();
}
}