github.com/coincircle/mattermost-server@v4.8.1-0.20180321182714-9d701c704416+incompatible/app/options.go (about)

     1  // Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
     2  // See License.txt for license information.
     3  
     4  package app
     5  
     6  import (
     7  	"github.com/mattermost/mattermost-server/store"
     8  )
     9  
    10  type Option func(a *App)
    11  
    12  // By default, the app will use the store specified by the configuration. This allows you to
    13  // construct an app with a different store.
    14  //
    15  // The override parameter must be either a store.Store or func(App) store.Store.
    16  func StoreOverride(override interface{}) Option {
    17  	return func(a *App) {
    18  		switch o := override.(type) {
    19  		case store.Store:
    20  			a.newStore = func() store.Store {
    21  				return o
    22  			}
    23  		case func(*App) store.Store:
    24  			a.newStore = func() store.Store {
    25  				return o(a)
    26  			}
    27  		default:
    28  			panic("invalid StoreOverride")
    29  		}
    30  	}
    31  }
    32  
    33  func ConfigFile(file string) Option {
    34  	return func(a *App) {
    35  		a.configFile = file
    36  	}
    37  }
    38  
    39  func DisableConfigWatch(a *App) {
    40  	a.disableConfigWatch = true
    41  }