protected virtual Channel LookUpChannel()
{
Channel channel = ChannelServices.GetChannelById(this.ChannelId);
if (channel == null)
{
// regisztrálás
BinaryMessageSink sink = new BinaryMessageSink(true, 1024);
List <IMessageSink> sinks = new List <IMessageSink>();
sinks.Add(sink);
AddressEndPoint serverEndPoint = new AddressEndPoint("127.0.0.1", 0);
List <AddressEndPoint> serverData = new List <AddressEndPoint>();
serverData.Add(serverEndPoint);
TerraGrafNetworkFactory networkFactory = new TerraGrafNetworkFactory();
DefaultServerStreamFactory serverStreamFactory = new DefaultServerStreamFactory();
DefaultClientStreamFactory clientStreamFactory = new DefaultClientStreamFactory();
channel = new TCPChannel(this.ChannelId, sinks, sinks, serverData, networkFactory, serverStreamFactory, clientStreamFactory);
channel.StartListening();
ChannelServices.RegisterChannel(channel);
}
return(channel);
}
private void ValidateConstructorParameters(Type contractInterface, Type realProxyType, String channelId, AddressEndPoint remoteEp)
{
if (contractInterface == null)
{
ThrowHelper.ThrowArgumentNullException("contractInterface");
}
if (realProxyType == null)
{
ThrowHelper.ThrowArgumentNullException("realProxyType");
}
if (string.IsNullOrEmpty(channelId))
{
ThrowHelper.ThrowArgumentNullException("channelId");
}
if (!contractInterface.IsAssignableFrom(realProxyType))
{
ThrowHelper.ThrowArgumentException("Provided client proxy does not implements the provided contract interface.", "realProxyType");
}
if (remoteEp == null)
{
ThrowHelper.ThrowArgumentNullException("remoteEp");
}
if (!ChannelServices.IsChannelRegistered(channelId))
{
throw new ChannelNotFoundException(channelId);
}
ContractValidator.ValidateContractIntegrity(contractInterface);
ImplementationValidator.ValidateProxyIntegration(realProxyType);
this.mContractInterface = contractInterface;
this.mRealProxyType = realProxyType;
this.mChannel = ChannelServices.GetChannelById(channelId);
this.mRemoteEndPoint = remoteEp;
}
protected virtual Channel LookUpChannel()
{
Channel channel = ChannelServices.GetChannelById(this.ChannelId);
if (channel == null)
{
// regisztrálás
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(string.Format("{0}, locator cannot find channel with id '{1}'. Create default channel.", LOG_PREFIX, this.ChannelId));
}
BinaryMessageSink sink = new BinaryMessageSink(true, 1024);
List <IMessageSink> sinks = new List <IMessageSink>();
sinks.Add(sink);
TerraGrafNetworkFactory networkFactory = new TerraGrafNetworkFactory();
DefaultServerStreamFactory serverStreamFactory = new DefaultServerStreamFactory();
DefaultClientStreamFactory clientStreamFactory = new DefaultClientStreamFactory();
channel = new TCPChannel(this.ChannelId, sinks, sinks, networkFactory, serverStreamFactory, clientStreamFactory);
ChannelServices.RegisterChannel(channel);
}
return(channel);
}
private void ValidateConstructorParameters(Type contractInterface, Type realProxyType, String channelId)
{
if (string.IsNullOrEmpty(channelId))
{
ThrowHelper.ThrowArgumentNullException("channelId");
}
if (!ChannelServices.IsChannelRegistered(channelId))
{
throw new ChannelNotFoundException(channelId);
}
Channel c = ChannelServices.GetChannelById(channelId);
ValidateConstructorParameters(contractInterface, realProxyType, channelId, c.DefaultConnectionData);
}
/// <summary>
/// Get a service factory to create and receive calls from a client.
/// </summary>
/// <typeparam name="TServiceContract">The type of the contract.</typeparam>
/// <param name="channelId">The channel id.</param>
/// <param name="implementationType">Type of the implementation.</param>
/// <returns>Service factory</returns>
/// <exception cref="System.ArgumentNullException">
/// channelId
/// or
/// implementationType
/// </exception>
/// <exception cref="ChannelNotFoundException"></exception>
public static IServiceFactory GetServiceFactory <TServiceContract>(String channelId, Type implementationType) where TServiceContract : IRemoteContract
{
if (string.IsNullOrEmpty(channelId))
{
throw new ArgumentNullException("channelId");
}
if (implementationType == null)
{
throw new ArgumentNullException("implementationType");
}
Channel channel = ChannelServices.GetChannelById(channelId);
if (channel == null)
{
throw new ChannelNotFoundException(channelId);
}
IServiceFactory result = null;
mFactoryLock.Lock();
try
{
if (mFactories.Count > 0)
{
foreach (ServiceFactory <IRemoteContract> factory in mFactories)
{
if (factory.ImplementationType.Equals(implementationType) && factory.ServiceContract.Equals(typeof(TServiceContract)) &&
factory.Channel.Equals(channel))
{
result = factory;
break;
}
}
}
if (result == null)
{
result = new ServiceFactory <TServiceContract>(channelId, implementationType);
mFactories.Add(result);
}
}
finally
{
mFactoryLock.Unlock();
}
return(result);
}
/// <summary>
/// Prevents a default instance of the <see cref="ServiceFactory<TContract>"/> class from being created.
/// </summary>
/// <param name="channelId">The channel id.</param>
/// <param name="implementationType">Type of the implementation.</param>
private ServiceFactory(String channelId, Type implementationType)
{
if (string.IsNullOrEmpty(channelId))
{
ThrowHelper.ThrowArgumentNullException("channelId");
}
if (implementationType == null)
{
ThrowHelper.ThrowArgumentNullException("implementationType");
}
if (!ServiceContract.IsAssignableFrom(implementationType))
{
throw new ArgumentException("Provided implementation does not implements the contract interface.", "implementationType");
}
ContractValidator.ValidateContractIntegrity(ServiceContract);
ImplementationValidator.ValidateImplementationIntegrity(implementationType);
this.mChannel = ChannelServices.GetChannelById(channelId);
if (this.mChannel == null)
{
throw new ChannelNotFoundException(channelId);
}
this.mImplementationType = implementationType;
// adatstruktúra adminisztrációja
// egy factory csak azt adhatja hozzá, ami nincs és csak azt veheti el, ami még nem volt.
ContractServiceSideDescriptor descriptor = null;
Dictionary <Type, ContractServiceSideDescriptor> contractDescriptors = ServiceBaseServices.ContractDescriptors;
lock (contractDescriptors)
{
if (contractDescriptors.ContainsKey(ServiceContract))
{
// ismert contract
descriptor = contractDescriptors[ServiceContract];
}
else
{
// ilyen contract még nincs
mControlServiceContract = true;
mControlChannel = true;
}
}
if (descriptor != null)
{
lock (descriptor)
{
if (!descriptor.ImplementationPerChannel.ContainsKey(channelId))
{
mControlChannel = true;
}
else
{
if (descriptor.ImplementationPerChannel.ContainsKey(channelId))
{
// ehhez a csatornához és contracthoz már egy másik implementáció van rendelve
Type currentImplType = descriptor.ImplementationPerChannel[channelId];
if (!currentImplType.Equals(implementationType))
{
throw new ArgumentException(String.Format("Unable to register provided implementation type: '{0}'. An other implementation type '{1}' has already definied for channel '{2}' and contract '{3}'.", implementationType.FullName, currentImplType.FullName, channelId, ServiceContract.FullName));
}
}
}
}
}
ChannelServices.UnregisterChannelEvent += new EventHandler <ChannelRegistrationEventArgs>(ChannelUnregisteredEventHandler);
}
