stash/pkg/txn/hooks.go

55 lines
1.0 KiB
Go

package txn
import (
"context"
)
type key int
const (
hookManagerKey key = iota + 1
)
type hookManager struct {
postCommitHooks []TxnFunc
postRollbackHooks []TxnFunc
}
func (m *hookManager) register(ctx context.Context) context.Context {
return context.WithValue(ctx, hookManagerKey, m)
}
func hookManagerCtx(ctx context.Context) *hookManager {
m, ok := ctx.Value(hookManagerKey).(*hookManager)
if !ok {
return nil
}
return m
}
func executePostCommitHooks(ctx context.Context) {
m := hookManagerCtx(ctx)
for _, h := range m.postCommitHooks {
// ignore errors
_ = h(ctx)
}
}
func executePostRollbackHooks(ctx context.Context) {
m := hookManagerCtx(ctx)
for _, h := range m.postRollbackHooks {
// ignore errors
_ = h(ctx)
}
}
func AddPostCommitHook(ctx context.Context, hook TxnFunc) {
m := hookManagerCtx(ctx)
m.postCommitHooks = append(m.postCommitHooks, hook)
}
func AddPostRollbackHook(ctx context.Context, hook TxnFunc) {
m := hookManagerCtx(ctx)
m.postRollbackHooks = append(m.postRollbackHooks, hook)
}