44 lines
1.2 KiB
Go
44 lines
1.2 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 sessionctx
|
|
|
|
import (
|
|
"github.com/pingcap/tidb/context"
|
|
"github.com/pingcap/tidb/domain"
|
|
)
|
|
|
|
// A dummy type to avoid naming collision in context.
|
|
type domainKeyType int
|
|
|
|
// String defines a Stringer function for debugging and pretty printing.
|
|
func (k domainKeyType) String() string {
|
|
return "domain"
|
|
}
|
|
|
|
const domainKey domainKeyType = 0
|
|
|
|
// BindDomain binds domain to context.
|
|
func BindDomain(ctx context.Context, domain *domain.Domain) {
|
|
ctx.SetValue(domainKey, domain)
|
|
}
|
|
|
|
// GetDomain gets domain from context.
|
|
func GetDomain(ctx context.Context) *domain.Domain {
|
|
v, ok := ctx.Value(domainKey).(*domain.Domain)
|
|
if !ok {
|
|
return nil
|
|
}
|
|
return v
|
|
}
|