/// <inheritdoc/>
public override void Resolve(ConflictDetails details)
{
var currentRevision = details.Document.CurrentRevision;
var unsavedRevision = currentRevision.CreateRevision();
var mostRecentConflict = details.ConflictingRevisions.First();
unsavedRevision.SetProperties(mostRecentConflict.Properties);
unsavedRevision.ReplaceAttachmentsFrom(mostRecentConflict);
details.SavedRevision = unsavedRevision.Save();
}
/// <inheritdoc/>
public override void Resolve(ConflictDetails details)
{
// Delete all conflicting revisions except for the current one.
foreach (var conflict in details.ConflictingRevisions)
{
if (conflict == details.Document.CurrentRevision)
{
continue;
}
var unsavedConflict = conflict.CreateRevision();
unsavedConflict.IsDeletion = true;
unsavedConflict.Save();
}
// ...and then save this one.
var unsavedRevision = details.Document.CreateRevision();
unsavedRevision.SetProperties(details.EntityDocument.Properties);
details.SavedRevision = unsavedRevision.Save();
}
/// <summary> /// Attempts to resolve the document conflict. /// </summary> /// <param name="details">The conflict details.</param> /// <exception cref="ConflictException">Thrown if the conflict could not be resolved.</exception> /// <remarks> /// <para> /// Custom conflict policies need to implement the <see cref="Resolve(ConflictDetails)"/> method. /// This accepts a <see cref="ConflictDetails"/> argument including the low-level Couchbase Lite /// <see cref="Document"/>, the entity document as a <see cref="IEntityDocument"/> and the /// <see cref="UnsavedRevision"/> we're trying to save. /// </para> /// <para> /// The policy should do what's required to resolve the conflict and persist the change to the /// database. <see cref="ConflictDetails.SavedRevision"/> should be set to the revision /// actually saved. Set <see cref="ConflictDetails.SavedRevision"/> to <c>null</c> when /// the conflict could not be resolved. /// </para> /// <note> /// Resolve methods should not throw <see cref="CouchbaseLiteException"/>s with <see cref="StatusCode.Conflict"/>. /// They should continue to try to resolve the conflict until successful, throw a <see cref="ConflictException"/> /// or return with <see cref="ConflictDetails.SavedRevision"/>=<c>null</c> to signal an error. /// </note> /// </remarks> public abstract void Resolve(ConflictDetails details);
/// <inheritdoc/>
public override void Resolve(ConflictDetails details)
{
throw new ConflictException($"[{nameof(FailConflictPolicy)}]: Failed to resolve a [{details.EntityDocument.EntityType.FullName}] conflict.");
}
/// <inheritdoc/>
public override void Resolve(ConflictDetails details)
{
throw new NotImplementedException();
}