LeaseOwner and LockAttempt does it work in Sitecore 9.3 Analytics

Question

I am working on Sitecore Analytics Contact code Upgrade from Sitecore 8.2 to 9.3

After upgrading latest dlls and adding XConnect assemblies, I am getting issue in some scenario

1. LockAttemptResult is not present in Sitecore 9.3 analytics:

   LockAttemptResult<Contact> lockResult = 
       _contactRepository.TryLoadContact(
           contactIdentifier, 
           _leaseOwner, 
           TimeSpan.FromMinutes(1));
   if (lockResult.Status == LockAttemptStatus.AlreadyLocked)
   

Is there any replacement of this?

2. LeaseOwner is not present in Sitecore.Analytics.Model:

    _leaseOwner = new LeaseOwner(requestorName, LeaseOwnerType.OutOfRequestWorker);
   

Is there any replacement of this class too?

Answer 1

You don't need to use in Sitecore 9 the LeaseOwner and lock/unlock contacts. With Sitecore xConnect it was simplified a lot how to send data to xDB.

In Sitecore 8+ to update data you have to use next code:

public void SetContactData(string username)
{
    LeaseOwner leaseOwner = new LeaseOwner("YOUR_WORKER_NAME", LeaseOwnerType.OutOfRequestWorker);
    ContactRepositoryBase contactRepository = Factory.CreateObject("contactRepository", true) as ContactRepositoryBase;
    // Attempt to obtain an exclusive lock on an existing contact in xDB.
    LockAttemptResult<Contact> lockResult = contactRepository.TryLoadContact(username, leaseOwner,
    TimeSpan.FromMinutes(1));
    Contact contact = null;
    if (lockResult.Status == LockAttemptStatus.AlreadyLocked)
    {
     // Another worker or a live web session has an exclusive lock on the contact.
     // You can't use this contact right now. It's up to you what to do in this case.
      /* ... */
     }
     else if (lockResult.Status == LockAttemptStatus.DatabaseUnavailable)
     {
      // Database is down. Try to handle this gracefully.
      /* ... */
     }
     else if (lockResult.Status == LockAttemptStatus.NotFound)
     {
        // A contact with the given identifier doesn't exist.
       // Just create a new contact object.
       contact = contactRepository.CreateContact(Guid.NewGuid());
      // Identify it.
       contact.Identifiers.Identifier = username;
       // And make it known.
       contact.Identifiers.IdentificationLevel = Sitecore.Analytics.Model.ContactIdentificationLevel.Known;
     }
     else
     {
       // We successfull locked an existing contact.
      contact = lockResult.Object;
     }
     // Set some contact facets:
     /* ... */
     // Save the contact and release the lock.
     if (contact != null)
     {
      var options = new ContactSaveOptions(release: true, owner: leaseOwner);
      contactRepository.SaveContact(contact, options);
      }
    }

with Sitecore 9 is pretty simple :

public void UpdateContact(string source, string identifier, Data data)
{
    using (XConnectClient client = GetClient())
     {
        IdentifiedContactReference reference = new IdentifiedContactReference(source, identifier);
        Contact contact = client.Get<Contact>(reference, new ContactExpandOptions(PersonalInformation.DefaultFacetKey));
        if (contact == null)
        {
            return;
        }
        // Set Facets
       client.SetFacet<PersonalInformation>(contact, PersonalInformation.DefaultFacetKey, personalInformation);
       client.Submit();
     }
}