When registering and resolving types in a Unity Container using code you can use 'Registration Names' to disambiguate your references that derive from an interface or base class hierarchy.
The 'registration name' text would be provided as a parameter to the register and resolve methods:
myContainer.RegisterType<IMyService, CustomerService>("Customers");
and
MyServiceBase result = myContainer.Resolve<MyServiceBase>("Customers");
However when I register types in the configuration files I do not see where the 'registration name' can be assigned
I register an Interface:
<typeAlias alias="IEnlistmentNotification" type="System.Transactions.IEnlistmentNotification, System.Transactions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
Then two types that I happen to know implement that interface:
<typeAlias alias="PlaylistManager" type="Sample.Dailies.Grid.Workers.PlaylistManager, Sample.Dailies.Grid.Workers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" />
<typeAlias alias="FlexAleManager" type="Sample.Dailies.Grid.Workers.FlexAleManager, Sample.Dailies.Grid.Workers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" />
Then I provide mappings between the interface and the two types:
<type type="IEnlistmentNotification" mapTo="FlexAleManager"><lifetime type="singleton"/></type>
<type type="IEnlistmentNotification" mapTo="PlaylistManager"><lifetime type="singleton"/></type>
That seems to correspond to this code:
myContainer.RegisterType<IEnlistmentNotification, FlexAleManager>();
myContainer.RegisterType<IEnlistmentNotification, PlaylistManager>();
but clearly what I need is a disambiguating config entry that corresponds to this code:
myContainer.RegisterType<IEnlistmentNotification, FlexAleManager>("Flex");
myContainer.RegisterType<IEnlistmentNotification, PlaylistManager>("Play");
Then when I get into my code I could do this:
IEnlistmentNotification flex = myContainer.Resolve<IEnlistmentNotification>("Flex");
IEnlistmentNotification play = myContainer.Resolve<IEnlistmentNotification>("Play");
See what I mean?
Thanks,
Kimball
