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operator_store.go
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operator_store.go
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// Copyright 2016 DeepFabric, 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 pdserver
import (
"github.com/deepfabric/elasticell/pkg/pb/pdpb"
)
type storeOperatorKind int
const (
setLogLevelKind storeOperatorKind = iota
)
// StoreOperator is an interface to operate store
type StoreOperator interface {
GetStoreID() uint64
Do(store *StoreInfo) (*pdpb.StoreHeartbeatRsp, bool)
}
func newSetLogLevelOperator(id uint64, newLevel int32) StoreOperator {
return &setLogLevelOperator{
id: id,
newLevel: newLevel,
}
}
type setLogLevelOperator struct {
id uint64
newLevel int32
}
func (op *setLogLevelOperator) GetStoreID() uint64 {
return op.id
}
func (op *setLogLevelOperator) Do(store *StoreInfo) (*pdpb.StoreHeartbeatRsp, bool) {
if store.Status.Stats.LogLevel == op.newLevel {
return nil, true
}
return &pdpb.StoreHeartbeatRsp{
SetLogLevel: &pdpb.SetLogLevel{
NewLevel: op.newLevel,
},
}, false
}