mirror of https://github.com/knative/caching.git
41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
/*
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Copyright 2019 The Knative Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package injection
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import (
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"context"
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)
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// DuckFactoryInjector holds the type of a callback that attaches a particular
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// duck-type informer factory to a context.
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type DuckFactoryInjector func(context.Context) context.Context
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func (i *impl) RegisterDuck(ii DuckFactoryInjector) {
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i.m.Lock()
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defer i.m.Unlock()
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i.ducks = append(i.ducks, ii)
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}
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func (i *impl) GetDucks() []DuckFactoryInjector {
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i.m.RLock()
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defer i.m.RUnlock()
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// Copy the slice before returning.
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return append(i.ducks[:0:0], i.ducks...)
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}
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