mirror of
https://github.com/talent-plan/tinykv.git
synced 2025-01-13 13:50:43 +08:00
5e089a2cd1
Signed-off-by: Connor <zbk602423539@gmail.com> Co-authored-by: Nick Cameron <nrc@ncameron.org> Co-authored-by: linning <linningde25@gmail.com> Co-authored-by: YangKeao <keao.yang@yahoo.com> Co-authored-by: andylokandy <andylokandy@hotmail.com> Co-authored-by: Iosmanthus Teng <myosmanthustree@gmail.com>
54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
// Copyright 2019 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 schedule
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/pingcap-incubator/tinykv/scheduler/server/schedule/operator"
|
|
)
|
|
|
|
type operatorWithTime struct {
|
|
op *operator.Operator
|
|
time time.Time
|
|
}
|
|
|
|
type operatorQueue []*operatorWithTime
|
|
|
|
func (opn operatorQueue) Len() int { return len(opn) }
|
|
|
|
func (opn operatorQueue) Less(i, j int) bool {
|
|
return opn[i].time.Before(opn[j].time)
|
|
}
|
|
|
|
func (opn operatorQueue) Swap(i, j int) {
|
|
opn[i], opn[j] = opn[j], opn[i]
|
|
}
|
|
|
|
func (opn *operatorQueue) Push(x interface{}) {
|
|
item := x.(*operatorWithTime)
|
|
*opn = append(*opn, item)
|
|
}
|
|
|
|
func (opn *operatorQueue) Pop() interface{} {
|
|
old := *opn
|
|
n := len(old)
|
|
if n == 0 {
|
|
return nil
|
|
}
|
|
item := old[n-1]
|
|
*opn = old[0 : n-1]
|
|
return item
|
|
}
|