private void Remove(Type t)
{
lock (m_syncRoot)
{
ComponentDescriptor descriptor = GetDescriptor(t);
if (descriptor == null)
{
return;
}
// be nice and dispose of disposable items
if (descriptor.Instance != null)
{
IDisposable d = descriptor.Instance as IDisposable;
if (d != null)
{
d.Dispose();
}
}
m_services.Remove(descriptor);
if (Removed == null)
{
return;
}
Removed(this, new DataEventArgs <object>(descriptor.Instance));
}
}
private void UpdateDescriptor(ComponentDescriptor descriptor)
{
lock (m_syncRoot)
{
int index = m_services.IndexOf(descriptor);
if (index < 0)
{
throw new Exception("Cannot update descriptor");
}
m_services[index] = descriptor;
}
}
internal ServiceCollection(WorkItem root)
{
m_root = root;
ComponentDescriptor descriptor = new ComponentDescriptor
{
ClassType = m_root.GetType(),
Instance = m_root,
Name = "WorkItem",
RegistrationType = m_root.GetType()
};
m_services.Add(descriptor);
}
private void Add(object instance, string name, Type classType, Type registrationType)
{
if (classType == null)
{
throw new ArgumentNullException("classType");
}
if (registrationType == null)
{
registrationType = classType;
}
lock (m_syncRoot)
{
ComponentDescriptor descriptor = GetDescriptor(registrationType);
if (descriptor != null)
{
throw new RegistrationTypeInUseException(string.Format("Service already registered with type '{0}'", registrationType.Name));
}
if (name == null)
{
name = ObjectFactory.GenerateServiceName(registrationType);
}
descriptor = new ComponentDescriptor
{
Name = name,
ClassType = classType,
Instance = instance,
RegistrationType = registrationType
};
m_services.Add(descriptor);
#if !PCL
if (instance != null)
{
ObjectFactory.DoInjections(instance, m_root);
}
#endif
if (Added == null)
{
return;
}
Added(this, new DataEventArgs <object>(descriptor.Instance));
}
}
public object Get(Type serviceType, bool ensureExists)
{
lock (m_syncRoot)
{
ComponentDescriptor desc = GetDescriptor(serviceType);
if (desc == null)
{
if (ensureExists)
{
throw new ServiceMissingException(string.Format("Cannot get service of type '{0}'", serviceType.Name));
}
return(null);
}
if (desc.Instance == null)
{
desc.Instance = ObjectFactory.CreateObject(desc.ClassType, m_root);
}
return(desc.Instance);
}
}
