github.com/axw/juju@v0.0.0-20161005053422-4bd6544d08d4/apiserver/migrationminion/backend.go (about)

     1  // Copyright 2016 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package migrationminion
     5  
     6  import "github.com/juju/juju/state"
     7  
     8  // Backend defines the state functionality required by the
     9  // MigrationMinion facade.
    10  type Backend interface {
    11  	WatchMigrationStatus() state.NotifyWatcher
    12  	Migration(string) (state.ModelMigration, error)
    13  }