public override bool Equals(Object obj)
{
TisServiceKey oOther = obj as TisServiceKey;
if (Object.ReferenceEquals(oOther, null))
{
return(false);
}
if (!StringUtil.CompareIgnoreCase(
ServiceName,
oOther.ServiceName))
{
return(false);
}
if (!StringUtil.CompareIgnoreCase(
InstanceName,
oOther.InstanceName))
{
return(false);
}
return(true);
}
public object GetService(
TisServiceKey oServiceKey)
{
object oService = null;
try
{
// Obtain service creator
ITisServiceCreator oCreator = GetCreator(oServiceKey);
// Create the service instance using creator
oService = oCreator.CreateService();
}
catch (Exception oExc)
{
Log.WriteError(
"ServiceActivator.GetService({0}) Failed, {1}",
oServiceKey,
oExc.Message);
throw;
}
// Return the service
return(oService);
}
public void ReleaseService(
TisServiceKey oServiceKey,
ITisServiceInfo serviceInfo = null,
object oService = null)
{
if (oService == null && IsInstantiated(oServiceKey))
{
oService = GetService(oServiceKey);
}
if (oService != null)
{
if (serviceInfo != null)
{
TisServiceEventsAdapterBuilder.ReleaseService(serviceInfo, oService);
}
PerformReleaseService(oServiceKey);
PerformDisposeService(oService);
}
// Fire post-deactivate event
FirePostServiceDeactivate(oServiceKey);
int nIndex;
nIndex = m_oServicesLoadOrder.IndexOf(oServiceKey);
if (nIndex >= 0)
{
m_oServicesLoadOrder.RemoveAt(nIndex);
}
}
private void UpdateLoadOrder(TisServiceKey oServiceKey)
{
if (m_oServicesLoadOrder.IndexOf(oServiceKey) < 0)
{
// Keep load order
m_oServicesLoadOrder.Add(oServiceKey);
}
}
private void LifetimeManager_OnPostServiceDeactivate(
string sAppName,
TisServiceKey oServiceKey)
{
if (OnPostServiceDeactivate != null)
{
OnPostServiceDeactivate(sAppName, oServiceKey);
}
}
public TisServiceCreatorContext(
string applicationName,
TisServiceKey serviceKey,
ITisServicesHost servicesHost)
{
ApplicationName = applicationName;
ServiceKey = serviceKey;
ServicesHost = servicesHost;
}
public void SetContext(
string sAppName,
TisServiceKey oServiceKey,
ITisServicesHost oServicesHost)
{
m_oContext = new TisServiceCreatorContext(
sAppName,
oServiceKey,
oServicesHost);
}
private void SetCreatorContext(
ITisServiceCreator oCreator,
TisServiceKey oServiceKey)
{
// Set creator context
m_oServicesHost.CreatorContextSetter.SetCreatorContext(
oCreator,
m_sAppName,
oServiceKey,
m_oServicesHost);
}
private void LifetimeManager_OnPreServiceDeactivate(
string sAppName,
TisServiceKey oServiceKey,
object oService)
{
if (OnPreServiceDeactivate != null)
{
OnPreServiceDeactivate(sAppName, oServiceKey);
}
ReleaseService(sAppName, oServiceKey.ServiceName, oServiceKey.InstanceName);
}
private object GetLocalService(
string sAppName,
string sServiceName,
string sServiceInstanceName)
{
// Validate sAppName
if (!StringUtil.IsStringInitialized(sAppName))
{
ExceptionUtil.RaiseArgumentNullException(
"sAppName",
"sAppName parameter must be initialized",
MethodInfo.GetCurrentMethod());
}
// Validate sServiceName
if (!StringUtil.IsStringInitialized(sServiceName))
{
ExceptionUtil.RaiseArgumentNullException(
"sServiceName",
"sServiceName parameter must be initialized",
MethodInfo.GetCurrentMethod());
}
// Validate sServiceInstanceName
if (!StringUtil.IsStringInitialized(sServiceInstanceName))
{
ExceptionUtil.RaiseArgumentNullException(
"sServiceInstanceName",
"sServiceInstanceName parameter must be initialized",
MethodInfo.GetCurrentMethod());
}
ITisServiceProvider oServiceProvider = null;
// Get service provider for the application
oServiceProvider = m_oServiceProvidersCache.GetServiceProvider(sAppName);
ITisServiceInfo oServiceInfo =
CheckedGetServiceInfo(sAppName, sServiceName);
// Create service key
TisServiceKey oKey = new TisServiceKey(
sServiceName,
sServiceInstanceName,
oServiceInfo);
object oService = oServiceProvider.GetService(
oKey);
return(oService);
}
private void FirePostServiceDeactivate(TisServiceKey oServiceKey)
{
try
{
if (OnPostServiceDeactivate != null)
{
OnPostServiceDeactivate(m_sAppName, oServiceKey);
}
}
catch (Exception oExc)
{
Log.WriteException(oExc);
}
}
private void PerformReleaseService(
TisServiceKey oServiceKey)
{
try
{
m_oServicesCache.Revoke(oServiceKey);
m_oServicesActivator.ReleaseService(
oServiceKey);
}
catch (Exception oExc)
{
Log.WriteException(oExc);
}
}
public void ReleaseService(
string applicationName,
string serviceName,
string serviceInstanceName = TisServicesConst.UNNAMED_INSTANCE)
{
ITisServiceProvider serviceProvider = m_oServiceProvidersCache.GetServiceProvider(applicationName);
ITisServiceInfo serviceInfo =
CheckedGetServiceInfo(applicationName, serviceName);
TisServiceKey serviceKey = new TisServiceKey(
serviceName,
serviceInstanceName);
serviceProvider.ReleaseService(serviceKey, serviceInfo);
}
public void ReleaseService(
TisServiceKey oServiceKey,
ITisServiceInfo serviceInfo = null,
object oService = null)
{
if (oService == null && IsInstantiated(oServiceKey))
{
oService = m_oCreatorsCache.Get(oServiceKey);
}
if (oService != null)
{
// Obtain service creator
ITisServiceCreator oCreator = GetCreator(oServiceKey);
oCreator.ReleaseService(oService);
}
}
protected override void SetCreatorContextImpl(
ITisServiceCreator oCreator,
string sAppName,
TisServiceKey oServiceKey,
ITisServicesHost oServicesHost)
{
// Query for ISupportsCreatorContext interface
ISupportsCreatorContext oTarget =
oCreator as ISupportsCreatorContext;
if (oTarget != null)
{
// Set context
oTarget.SetContext(
sAppName,
oServiceKey,
oServicesHost);
}
}
private void LifetimeManager_OnPostServiceActivate(
string sAppName,
TisServiceKey oServiceKey,
object oService)
{
ITisServiceInfo serviceInfo = oServiceKey.ServiceInfo;
if (serviceInfo.SupportedEvents.Count > 0)
{
TisServiceEventsAdapterBuilder.AddService(
this,
sAppName,
oService,
serviceInfo,
oServiceKey.InstanceName);
}
if (OnPostServiceActivate != null)
{
OnPostServiceActivate(sAppName, oServiceKey);
}
}
private object CreatorsCache_OnCacheMiss(
object oSender,
CacheMissEventArgs oArgs)
{
TisServiceKey oServiceKey = (TisServiceKey)oArgs.Key;
// Obtain service info
ITisServiceInfo oServiceInfo =
m_oServicesHost.CheckedGetServiceInfo(m_sAppName, oServiceKey.ServiceName);
// Validate we can host the service
ValidateCanHostService(oServiceInfo);
// Obtain service creator
ITisServiceCreator oCreator =
InstanciateCreator(oServiceInfo);
// Set creator context
SetCreatorContext(oCreator, oServiceKey);
return(oCreator);
}
//
// Protected
//
protected object ServicesCache_OnCacheMiss(
object oSender,
CacheMissEventArgs oArgs)
{
TisServiceKey oServiceKey = (TisServiceKey)oArgs.Key;
//Log.Write(
// Log.Severity.DETAILED_DEBUG,
// System.Reflection.MethodInfo.GetCurrentMethod(),
// "Activating service [{0}] in App [{1}], ServiceCache: {2}",
// oServiceKey,
// m_sAppName,
// GetHashCode());
// Return the service object from real service provider
object oObj = m_oServicesActivator.GetService(oServiceKey);
if (m_oServicesCache.GetCached(oServiceKey) != null)
{
return(null);
}
// Fire pre-activate event
FirePreServiceActivate(oServiceKey);
if (!m_bDisposing)
{
// Keep load order
UpdateLoadOrder(oServiceKey);
}
// Fire post-activate event
FirePostServiceActivate(oServiceKey, oObj);
return(oObj);
}
public virtual void SetCreatorContext(
ITisServiceCreator oCreator,
string sAppName,
TisServiceKey oServiceKey,
ITisServicesHost oServicesHost)
{
// Perform context set
SetCreatorContextImpl(
oCreator,
sAppName,
oServiceKey,
oServicesHost);
// If has next setter in the chain
if (Next != null)
{
// Forward the request to next setter
Next.SetCreatorContext(
oCreator,
sAppName,
oServiceKey,
oServicesHost);
}
}
public bool IsInstantiated(TisServiceKey oServiceKey)
{
return(m_oCreatorsCache.IsInCache(oServiceKey));
}
public void AddService(
TisServiceKey oServiceKey,
object oService)
{
}
public void Dispose()
{
m_bDisposing = true;
if (m_oServicesLoadOrder.Count == 0)
{
return;
}
TisServiceKey[] servicesLoadOrderArray = new TisServiceKey[m_oServicesLoadOrder.Count];
m_oServicesLoadOrder.CopyTo(servicesLoadOrderArray, 0);
// Allow calling Dispose on the services.
// Scan in the reverse direction of load order
for (int i = servicesLoadOrderArray.Length - 1; i > 0; i--)
{
TisServiceKey serviceKey = servicesLoadOrderArray[i];
//Log.Write(
// Log.Severity.DETAILED_DEBUG,
// System.Reflection.MethodInfo.GetCurrentMethod(),
// "Deactivating service [{0}] in App [{1}]",
// serviceKey,
// m_sAppName);
// Get service object
object oService =
m_oServicesCache.GetCached(serviceKey);
// Fire pre-deactivate event
FirePreServiceDeactivate(serviceKey, oService);
if (oService != null)
{
PerformReleaseService(
serviceKey);
PerformDisposeService(
oService);
}
else
{
Log.Write(
Log.Severity.ERROR,
System.Reflection.MethodInfo.GetCurrentMethod(),
"Service [{0}] (null) in cache",
serviceKey
);
}
// Fire post-deactivate event
FirePostServiceDeactivate(serviceKey);
}
// Clear the cache
m_oServicesCache.OnCacheMiss -=
new CacheMissEvent(ServicesCache_OnCacheMiss);
m_oServicesCache.RevokeAll();
// Clear load order
m_oServicesLoadOrder.Clear();
m_oServicesActivator.Dispose();
m_bDisposing = false;
}
private ITisServiceCreator GetCreator(TisServiceKey oServiceKey)
{
return((ITisServiceCreator)m_oCreatorsCache.Get(oServiceKey));
}
public object GetService(
TisServiceKey oServiceKey)
{
return(m_oServicesCache.Get(oServiceKey));
}
protected abstract void SetCreatorContextImpl(
ITisServiceCreator oCreator,
string sAppName,
TisServiceKey oServiceKey,
ITisServicesHost oServicesHost);
public void AddService(
TisServiceKey oServiceKey,
object oService)
{
m_oServicesCache.Put(oServiceKey, oService);
}
public bool AddLocalService(
string applicationName,
string serviceName,
object serviceInstance = null,
string serviceCreatorFullName = null,
string serviceTypeFullName = null,
string serviceInstanceName = null)
{
if (!StringUtil.IsStringInitialized(serviceName))
{
Log.WriteWarning("Try to install service without name.");
return(false);
}
ITisServiceRegistry applicationServiceRegistry = GetServiceRegistry(applicationName);
bool isServiceInstalled = applicationServiceRegistry.IsServiceInstalled(serviceName);
if (!isServiceInstalled)
{
if (!StringUtil.IsStringInitialized(serviceCreatorFullName))
{
serviceCreatorFullName =
typeof(TisUniversalServiceCreator).FullName + "," +
typeof(TisUniversalServiceCreator).Assembly.GetName().Name;
}
if (!StringUtil.IsStringInitialized(serviceTypeFullName))
{
serviceTypeFullName = String.Empty;
}
try
{
applicationServiceRegistry.InstallService(
serviceName,
serviceCreatorFullName,
serviceTypeFullName,
TisServicesConst.NO_ROLES_REQUIRED,
false);
}
catch (Exception exc)
{
Log.WriteWarning("Failed to install service [{0}]. Details : {1}", serviceName, exc.Message);
}
isServiceInstalled = applicationServiceRegistry.IsServiceInstalled(serviceName);
}
if (serviceInstance != null)
{
if (!StringUtil.IsStringInitialized(serviceInstanceName))
{
serviceInstanceName = TisServicesConst.UNNAMED_INSTANCE;
}
TisServiceKey serviceKey = new TisServiceKey(
serviceName,
serviceInstanceName);
ITisServiceProvider serviceProvider;
serviceProvider = m_oServiceProvidersCache.GetServiceProvider(applicationName);
serviceProvider.AddService(serviceKey, serviceInstance);
ITisServiceInfo serviceInfo =
CheckedGetServiceInfo(applicationName, serviceName);
// The events adapter will include only the services which implement ITisSupportEvents interface.
TisServiceEventsAdapterBuilder.AddService(
this,
applicationName,
serviceInstance,
serviceInfo,
serviceInstanceName);
}
return(isServiceInstalled);
}
