/// <summary>
/// Registers a specific instance of an service.
/// </summary>
/// <param name="serviceType">Type of the service.</param>
/// <param name="instance">The specific instance to register.</param>
/// <param name="tag">The tag to register the service with. The default value is <c>null</c>.</param>
/// <param name="originalContainer">The original container where the instance was found in.</param>
/// <exception cref="ArgumentNullException">The <paramref name="serviceType"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="instance"/> is <c>null</c>.</exception>
internal void RegisterInstance(Type serviceType, object instance, object tag, object originalContainer)
{
Argument.IsNotNull("serviceType", serviceType);
Argument.IsNotNull("instance", instance);
Log.Debug("Registering type '{0}' to instance of type '{1}'", serviceType.FullName, instance.GetType().FullName);
if (originalContainer == null)
{
originalContainer = this;
}
var registeredTypeInfo = new RegisteredTypeInfo(serviceType, instance.GetType(), tag, RegistrationType.Singleton, originalContainer);
lock (_syncObject)
{
var serviceInfo = new ServiceInfo(serviceType, tag);
_registeredInstances[serviceInfo] = new RegisteredInstanceInfo(serviceType, instance, RegistrationType.Singleton, tag, originalContainer);
_registeredTypes[serviceInfo] = registeredTypeInfo;
if (AutomaticallyKeepContainersSynchronized)
{
ExportToExternalContainers();
}
}
TypeRegistered.SafeInvoke(this, new TypeRegisteredEventArgs(registeredTypeInfo.DeclaringType, registeredTypeInfo.ImplementingType, tag, RegistrationType.Singleton));
Log.Debug("Registered type '{0}' to instance of type '{1}'", serviceType.FullName, instance.GetType().FullName);
}
/// <summary>
/// Determines whether the specified service type is registered.
/// </summary>
/// <param name="serviceType">The type of the service.</param>
/// <param name="tag">The tag to register the service with. The default value is <c>null</c>.</param>
/// <returns><c>true</c> if the specified service type is registered; otherwise, <c>false</c>.</returns>
/// <remarks>Note that the actual implementation lays in the hands of the IoC technique being used.</remarks>
/// <exception cref="ArgumentNullException">The <paramref name="serviceType"/> is <c>null</c>.</exception>
public bool IsTypeRegistered(Type serviceType, object tag = null)
{
Argument.IsNotNull("serviceType", serviceType);
var serviceInfo = new ServiceInfo(serviceType, tag);
lock (_syncObject)
{
if (_registeredInstances.ContainsKey(serviceInfo))
{
return(true);
}
if (_registeredTypes.ContainsKey(serviceInfo))
{
return(true);
}
foreach (var externalContainerKeyValuePair in _externalContainers)
{
var registrationInfo = externalContainerKeyValuePair.Value.GetRegistrationInfo(externalContainerKeyValuePair.Key, serviceType);
if (registrationInfo != null)
{
// Now we know the container, register it as typeof(object), we will re-register as soon as the actual type is known
_registeredTypes[serviceInfo] = new RegisteredTypeInfo(serviceType, typeof(object), tag, registrationInfo.RegistrationType, externalContainerKeyValuePair.Value);
return(true);
}
}
// Last resort
var eventArgs = new MissingTypeEventArgs(serviceType);
MissingType.SafeInvoke(this, eventArgs);
if (eventArgs.ImplementingInstance != null)
{
Log.Debug("Late registering type '{0}' to instance of type '{1}' via MissingTypeEventArgs.ImplementingInstance", serviceType.FullName, eventArgs.ImplementingInstance.GetType().FullName);
RegisterInstance(serviceType, eventArgs.ImplementingInstance, eventArgs.Tag, this);
return(true);
}
if (eventArgs.ImplementingType != null)
{
Log.Debug("Late registering type '{0}' to type '{1}' via MissingTypeEventArgs.ImplementingType", serviceType.FullName, eventArgs.ImplementingType.FullName);
RegisterType(serviceType, eventArgs.ImplementingType, eventArgs.Tag, eventArgs.RegistrationType, true, this);
return(true);
}
}
return(false);
}
/// <summary>
/// Registers the specific implementing type for the service type.
/// </summary>
/// <param name="serviceType">Type of the service.</param>
/// <param name="serviceImplementationType">Type of the implementing.</param>
/// <param name="tag">The tag to register the service with. The default value is <c>null</c>.</param>
/// <param name="registrationType">The registration type.</param>
/// <param name="registerIfAlreadyRegistered">if set to <c>true</c>, an older type registration is overwritten by this new one.</param>
/// <param name="originalContainer">The original container where the type was found in.</param>
/// <exception cref="ArgumentNullException">The <paramref name="serviceType"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="serviceImplementationType"/> is <c>null</c>.</exception>
internal void RegisterType(Type serviceType, Type serviceImplementationType, object tag, RegistrationType registrationType, bool registerIfAlreadyRegistered, object originalContainer)
{
Argument.IsNotNull("serviceType", serviceType);
Argument.IsNotNull("implementingType", serviceImplementationType);
/* TODO: This code have to be here to ensure the right usage of non-generic overloads of register methods.
* TODO: If it is finally accepted then remove it from ServiceLocatorAutoRegistrationManager
* if (serviceImplementationType.IsAbstractEx() || !serviceType.IsAssignableFromEx(serviceImplementationType))
* {
* string message = string.Format("The type '{0}' is abstract or can't be registered as '{1}'", serviceImplementationType, serviceType);
* Log.Error(message);
* throw new InvalidOperationException(message);
* }
*/
// Outside lock scope for event
RegisteredTypeInfo registeredTypeInfo = null;
lock (_syncObject)
{
if (!registerIfAlreadyRegistered && IsTypeRegistered(serviceType, tag))
{
//Log.Debug("Type '{0}' already registered, will not overwrite registration", serviceType.FullName);
return;
}
var serviceInfo = new ServiceInfo(serviceType, tag);
if (_registeredInstances.ContainsKey(serviceInfo))
{
_registeredInstances.Remove(serviceInfo);
}
Log.Debug("Registering type '{0}' to type '{1}'", serviceType.FullName, serviceImplementationType.FullName);
registeredTypeInfo = new RegisteredTypeInfo(serviceType, serviceImplementationType, tag, registrationType, originalContainer);
_registeredTypes[serviceInfo] = registeredTypeInfo;
if (AutomaticallyKeepContainersSynchronized)
{
ExportToExternalContainers();
}
}
TypeRegistered.SafeInvoke(this, new TypeRegisteredEventArgs(registeredTypeInfo.DeclaringType, registeredTypeInfo.ImplementingType, tag, registeredTypeInfo.RegistrationType));
Log.Debug("Registered type '{0}' to type '{1}'", serviceType.FullName, serviceImplementationType.FullName);
}
/// <summary>
/// Registers the specific implementing type for the service type.
/// </summary>
/// <param name="serviceType">Type of the service.</param>
/// <param name="serviceImplementationType">Type of the implementing.</param>
/// <param name="tag">The tag to register the service with. The default value is <c>null</c>.</param>
/// <param name="registrationType">The registration type.</param>
/// <param name="registerIfAlreadyRegistered">if set to <c>true</c>, an older type registration is overwritten by this new one.</param>
/// <param name="originalContainer">The original container where the type was found in.</param>
/// <exception cref="ArgumentNullException">The <paramref name="serviceType"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="serviceImplementationType"/> is <c>null</c>.</exception>
internal void RegisterType(Type serviceType, Type serviceImplementationType, object tag, RegistrationType registrationType, bool registerIfAlreadyRegistered, object originalContainer)
{
Argument.IsNotNull("serviceType", serviceType);
Argument.IsNotNull("implementingType", serviceImplementationType);
/* TODO: This code have to be here to ensure the right usage of non-generic overloads of register methods.
* TODO: If it is finally accepted then remove it from ServiceLocatorAutoRegistrationManager
if (serviceImplementationType.IsAbstractEx() || !serviceType.IsAssignableFromEx(serviceImplementationType))
{
string message = string.Format("The type '{0}' is abstract or can't be registered as '{1}'", serviceImplementationType, serviceType);
Log.Error(message);
throw new InvalidOperationException(message);
}
*/
// Outside lock scope for event
RegisteredTypeInfo registeredTypeInfo = null;
lock (_syncObject)
{
if (!registerIfAlreadyRegistered && IsTypeRegistered(serviceType, tag))
{
//Log.Debug("Type '{0}' already registered, will not overwrite registration", serviceType.FullName);
return;
}
var serviceInfo = new ServiceInfo(serviceType, tag);
if (_registeredInstances.ContainsKey(serviceInfo))
{
_registeredInstances.Remove(serviceInfo);
}
Log.Debug("Registering type '{0}' to type '{1}'", serviceType.FullName, serviceImplementationType.FullName);
registeredTypeInfo = new RegisteredTypeInfo(serviceType, serviceImplementationType, tag, registrationType, originalContainer);
_registeredTypes[serviceInfo] = registeredTypeInfo;
if (AutomaticallyKeepContainersSynchronized)
{
ExportToExternalContainers();
}
}
TypeRegistered.SafeInvoke(this, new TypeRegisteredEventArgs(registeredTypeInfo.DeclaringType, registeredTypeInfo.ImplementingType, tag, registeredTypeInfo.RegistrationType));
Log.Debug("Registered type '{0}' to type '{1}'", serviceType.FullName, serviceImplementationType.FullName);
}
/// <summary>
/// Registers a specific instance of an service.
/// </summary>
/// <param name="serviceType">Type of the service.</param>
/// <param name="instance">The specific instance to register.</param>
/// <param name="tag">The tag to register the service with. The default value is <c>null</c>.</param>
/// <param name="originalContainer">The original container where the instance was found in.</param>
/// <exception cref="ArgumentNullException">The <paramref name="serviceType"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="instance"/> is <c>null</c>.</exception>
internal void RegisterInstance(Type serviceType, object instance, object tag, object originalContainer)
{
Argument.IsNotNull("serviceType", serviceType);
Argument.IsNotNull("instance", instance);
Log.Debug("Registering type '{0}' to instance of type '{1}'", serviceType.FullName, instance.GetType().FullName);
if (originalContainer == null)
{
originalContainer = this;
}
var registeredTypeInfo = new RegisteredTypeInfo(serviceType, instance.GetType(), tag, RegistrationType.Singleton, originalContainer);
lock (_syncObject)
{
var serviceInfo = new ServiceInfo(serviceType, tag);
_registeredInstances[serviceInfo] = new RegisteredInstanceInfo(serviceType, instance, RegistrationType.Singleton, tag, originalContainer);
_registeredTypes[serviceInfo] = registeredTypeInfo;
if (AutomaticallyKeepContainersSynchronized)
{
ExportToExternalContainers();
}
}
TypeRegistered.SafeInvoke(this, new TypeRegisteredEventArgs(registeredTypeInfo.DeclaringType, registeredTypeInfo.ImplementingType, tag, RegistrationType.Singleton));
Log.Debug("Registered type '{0}' to instance of type '{1}'", serviceType.FullName, instance.GetType().FullName);
}
/// <summary>
/// Determines whether the specified service type is registered.
/// </summary>
/// <param name="serviceType">The type of the service.</param>
/// <param name="tag">The tag to register the service with. The default value is <c>null</c>.</param>
/// <returns><c>true</c> if the specified service type is registered; otherwise, <c>false</c>.</returns>
/// <remarks>Note that the actual implementation lays in the hands of the IoC technique being used.</remarks>
/// <exception cref="ArgumentNullException">The <paramref name="serviceType"/> is <c>null</c>.</exception>
public bool IsTypeRegistered(Type serviceType, object tag = null)
{
Argument.IsNotNull("serviceType", serviceType);
var serviceInfo = new ServiceInfo(serviceType, tag);
lock (_syncObject)
{
if (_registeredInstances.ContainsKey(serviceInfo))
{
return true;
}
if (_registeredTypes.ContainsKey(serviceInfo))
{
return true;
}
foreach (var externalContainerKeyValuePair in _externalContainers)
{
var registrationInfo = externalContainerKeyValuePair.Value.GetRegistrationInfo(externalContainerKeyValuePair.Key, serviceType);
if (registrationInfo != null)
{
// Now we know the container, register it as typeof(object), we will re-register as soon as the actual type is known
_registeredTypes[serviceInfo] = new RegisteredTypeInfo(serviceType, typeof(object), tag, registrationInfo.RegistrationType, externalContainerKeyValuePair.Value);
return true;
}
}
// Last resort
var eventArgs = new MissingTypeEventArgs(serviceType);
MissingType.SafeInvoke(this, eventArgs);
if (eventArgs.ImplementingInstance != null)
{
Log.Debug("Late registering type '{0}' to instance of type '{1}' via MissingTypeEventArgs.ImplementingInstance", serviceType.FullName, eventArgs.ImplementingInstance.GetType().FullName);
RegisterInstance(serviceType, eventArgs.ImplementingInstance, eventArgs.Tag, this);
return true;
}
if (eventArgs.ImplementingType != null)
{
Log.Debug("Late registering type '{0}' to type '{1}' via MissingTypeEventArgs.ImplementingType", serviceType.FullName, eventArgs.ImplementingType.FullName);
RegisterType(serviceType, eventArgs.ImplementingType, eventArgs.Tag, eventArgs.RegistrationType, true, this);
return true;
}
}
return false;
}
