mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-13 11:42:23 -05:00
50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
|
// Copyright 2015 PingCAP, Inc.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package autocommit
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/pingcap/tidb/context"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Checker is the interface checks if it should autocommit in the context.
|
||
|
|
// TODO: Choose a better name.
|
||
|
|
type Checker interface {
|
||
|
|
// ShouldAutocommit returns true if it should autocommit in the context.
|
||
|
|
ShouldAutocommit(ctx context.Context) bool
|
||
|
|
}
|
||
|
|
|
||
|
|
// keyType is a dummy type to avoid naming collision in context.
|
||
|
|
type keyType int
|
||
|
|
|
||
|
|
// String defines a Stringer function for debugging and pretty printing.
|
||
|
|
func (k keyType) String() string {
|
||
|
|
return "autocommit_checker"
|
||
|
|
}
|
||
|
|
|
||
|
|
const key keyType = 0
|
||
|
|
|
||
|
|
// BindAutocommitChecker binds autocommit checker to context.
|
||
|
|
func BindAutocommitChecker(ctx context.Context, checker Checker) {
|
||
|
|
ctx.SetValue(key, checker)
|
||
|
|
}
|
||
|
|
|
||
|
|
// ShouldAutocommit gets checker from ctx and checks if it should autocommit.
|
||
|
|
func ShouldAutocommit(ctx context.Context) bool {
|
||
|
|
v, ok := ctx.Value(key).(Checker)
|
||
|
|
if !ok {
|
||
|
|
panic("Miss autocommit checker")
|
||
|
|
}
|
||
|
|
return v.ShouldAutocommit(ctx)
|
||
|
|
}
|