Checks whether processing of contact can continue. If so, recognizes a contact currently browsing the live site. If the contact cannot be recognized a new one is created. A returned contact is always valid (exists in database, is not merged, etc.) and is automatically assigned to currentUser User (if it's not a public user).

Checks whether processing of contact can continue. If so, gets a contact assigned to the visitor currently browsing the live site (contact can only be recognized during web request). A returned contact is always valid (exists in database, is not merged, etc.) and is automatically assigned to currentUser (if it's not a public user). If no contact is currently assigned to the visitor null is returned.

Checks whether processing of contact can continue. If so, stores information about the current contact into the persistent storage (IContactPersistentStorage), so that the next time (possibly in another request in the same session) GetCurrentContact(IUserInfo, Boolean) is called, the stored contact is returned.