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gitea/vendor/github.com/pingcap/tidb/sessionctx/autocommit/autocommit.go
Thomas Boerger b6a95a8cb3 Integrate public as bindata optionally (#293)
* Dropped unused codekit config

* Integrated dynamic and static bindata for public

* Ignore public bindata

* Add a general generate make task

* Integrated flexible public assets into web command

* Updated vendoring, added all missiong govendor deps

* Made the linter happy with the bindata and dynamic code

* Moved public bindata definition to modules directory

* Ignoring the new bindata path now

* Updated to the new public modules import path

* Updated public bindata command and drop the new prefix
2016-11-30 00:26:36 +08:00

49 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)
}