Index: service/rawdatastore/context.go |
diff --git a/service/rawdatastore/context.go b/service/rawdatastore/context.go |
deleted file mode 100644 |
index f1603b5af8a983ffa67400114b9a09157c3d62c8..0000000000000000000000000000000000000000 |
--- a/service/rawdatastore/context.go |
+++ /dev/null |
@@ -1,79 +0,0 @@ |
-// Copyright 2015 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-package rawdatastore |
- |
-import ( |
- "golang.org/x/net/context" |
-) |
- |
-type key int |
- |
-var ( |
- rawDatastoreKey key |
- rawDatastoreFilterKey key = 1 |
-) |
- |
-// Factory is the function signature for factory methods compatible with |
-// SetFactory. |
-type Factory func(context.Context) Interface |
- |
-// Filter is the function signature for a filter RDS implementation. It |
-// gets the current RDS implementation, and returns a new RDS implementation |
-// backed by the one passed in. |
-type Filter func(context.Context, Interface) Interface |
- |
-// getUnfiltered gets gets the Interface implementation from context without |
-// any of the filters applied. |
-func getUnfiltered(c context.Context) Interface { |
- if f, ok := c.Value(rawDatastoreKey).(Factory); ok && f != nil { |
- return f(c) |
- } |
- return nil |
-} |
- |
-// Get gets the Interface implementation from context. |
-func Get(c context.Context) Interface { |
- ret := getUnfiltered(c) |
- if ret == nil { |
- return nil |
- } |
- for _, f := range getCurFilters(c) { |
- ret = f(c, ret) |
- } |
- return applyCheckFilter(c, ret) |
-} |
- |
-// SetFactory sets the function to produce Datastore instances, as returned by |
-// the Get method. |
-func SetFactory(c context.Context, rdsf Factory) context.Context { |
- return context.WithValue(c, rawDatastoreKey, rdsf) |
-} |
- |
-// Set sets the current Datastore object in the context. Useful for testing with |
-// a quick mock. This is just a shorthand SetFactory invocation to set a factory |
-// which always returns the same object. |
-func Set(c context.Context, rds Interface) context.Context { |
- return SetFactory(c, func(context.Context) Interface { return rds }) |
-} |
- |
-func getCurFilters(c context.Context) []Filter { |
- curFiltsI := c.Value(rawDatastoreFilterKey) |
- if curFiltsI != nil { |
- return curFiltsI.([]Filter) |
- } |
- return nil |
-} |
- |
-// AddFilters adds Interface filters to the context. |
-func AddFilters(c context.Context, filts ...Filter) context.Context { |
- if len(filts) == 0 { |
- return c |
- } |
- cur := getCurFilters(c) |
- newFilts := make([]Filter, 0, len(cur)+len(filts)) |
- newFilts = append(newFilts, getCurFilters(c)...) |
- newFilts = append(newFilts, filts...) |
- return context.WithValue(c, rawDatastoreFilterKey, newFilts) |
-} |