wehub-resource-sync
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
/*
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* Copyright 2024 CloudWeGo Authors
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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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*/
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package callbacks
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import "context"
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type CtxManagerKey struct{}
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type CtxRunInfoKey struct{}
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type manager struct {
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globalHandlers []Handler
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handlers []Handler
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runInfo *RunInfo
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}
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var GlobalHandlers []Handler
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func newManager(runInfo *RunInfo, handlers ...Handler) (*manager, bool) {
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if len(handlers)+len(GlobalHandlers) == 0 {
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return nil, false
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}
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hs := make([]Handler, len(GlobalHandlers))
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copy(hs, GlobalHandlers)
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return &manager{
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globalHandlers: hs,
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handlers: handlers,
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runInfo: runInfo,
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}, true
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}
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func ctxWithManager(ctx context.Context, manager *manager) context.Context {
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return context.WithValue(ctx, CtxManagerKey{}, manager)
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}
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func (m *manager) withRunInfo(runInfo *RunInfo) *manager {
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if m == nil {
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return nil
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}
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n := *m
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n.runInfo = runInfo
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return &n
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}
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func managerFromCtx(ctx context.Context) (*manager, bool) {
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v := ctx.Value(CtxManagerKey{})
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m, ok := v.(*manager)
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if ok && m != nil {
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n := *m
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return &n, true
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}
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return nil, false
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}
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