mirror of https://github.com/knative/caching.git
36 lines
1.3 KiB
Go
36 lines
1.3 KiB
Go
/*
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Copyright 2021 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 reconciler
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import (
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"context"
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"k8s.io/apimachinery/pkg/types"
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)
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// OnDeletionInterface defines the strongly typed interface to be implemented by a
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// controller observing a deletion of an object. Every controller that was active
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// during the deletion of the respective resource is guaranteed to observe this event,
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// leader or not. It's usually used to clear up in-memory state regarding the respective
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// resource. Finalizers should be used to ensure external resources are properly cleaned
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// up.
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type OnDeletionInterface interface {
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// ObserveDeletion implements custom logic to observe deletion of the respective resource
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// with the given key.
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ObserveDeletion(ctx context.Context, key types.NamespacedName) error
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}
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