mirror of https://github.com/astaxie/beego.git
28 lines
1.2 KiB
Go
28 lines
1.2 KiB
Go
// Copyright 2017 The casbin Authors. All Rights Reserved.
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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 persist
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// Watcher is the interface for Casbin watchers.
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type Watcher interface {
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// SetUpdateCallback sets the callback function that the watcher will call
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// when the policy in DB has been changed by other instances.
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// A classic callback is Enforcer.LoadPolicy().
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SetUpdateCallback(func(string)) error
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// Update calls the update callback of other instances to synchronize their policy.
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// It is usually called after changing the policy in DB, like Enforcer.SavePolicy(),
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// Enforcer.AddPolicy(), Enforcer.RemovePolicy(), etc.
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Update() error
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}
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