Replication predicates in RavenDb [REPOST]

Replication in RavenDb is pretty fekin sweet. I helped Oren by submitting bugs and testing it out in sonatribe dev by pushing it in a real world usage scenario. One of the features I asked about was the ability to filter out parts of the namespace for replication – instead of the ‘all or nothing’ approach used by default. Oren (as you’d expect) simply replied with a request for a patch. So here is my patch.

	string[] predicates = { "accounts/" };
	using (var session = store.OpenSession())
	{
	session.Store(new ReplicationDocument
	{
	ReplicationFilterPredicates = predicates.Select(x=> new ReplicationPredicate
	{
	Predicate = x
	}).ToList(),
	Destinations = {new ReplicationDestination
	{
	Url = servers[dest].Database.Configuration.ServerUrl
	}
	}
	});
	session.SaveChanges();
	}

view raw gistfile1.cs hosted with ❤ by GitHub

My fork is here: https://github.com/wayne-o/ravendb
Basically – my aim is to allow the developer to set replication filters – so only a part of a namespace is replicated – rather than the whole db. To do this I’ve added a ReplicationPredicate class in the Raven.Bundles.Replication.Data namespace. this is used when initialising the db:

it’s a work in progress but i’m finding it hard to get the time to commit to it due to the new baby. if anyone fancies lending a hand – there’s a test in the SimpleReplication.cs file Can_filter_replication_using_replication_predicates
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