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47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
// Copyright 2018 Drone.IO Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package store
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import (
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"context"
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)
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const key = "store"
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// Setter defines a context that enables setting values.
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type Setter interface {
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Set(string, any)
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}
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// FromContext returns the Store associated with this context.
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func FromContext(c context.Context) Store {
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return c.Value(key).(Store)
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}
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// TryFromContext try to return the Store associated with this context.
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func TryFromContext(c context.Context) (Store, bool) {
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store, ok := c.Value(key).(Store)
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return store, ok
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}
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// ToContext adds the Store to this context if it supports
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// the Setter interface.
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func ToContext(c Setter, store Store) {
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c.Set(key, store)
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}
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func InjectToContext(ctx context.Context, store Store) context.Context {
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return context.WithValue(ctx, key, store)
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}
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