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instance_event.go
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/
instance_event.go
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/**
* Tencent is pleased to support the open source community by making polaris-go available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package data
import (
"github.com/polarismesh/polaris-go/pkg/model"
"github.com/polarismesh/polaris-go/pkg/model/pb"
"github.com/polarismesh/polaris-go/pkg/plugin/common"
)
// CheckAddInstances check if the instances are valid
func CheckAddInstances(event *common.ServiceEventObject) *model.InstanceAddEvent {
if event.NewValue == nil {
return nil
}
addEvent := &model.InstanceAddEvent{}
newList := event.NewValue.(*pb.ServiceInstancesInProto).GetInstances()
if event.OldValue == nil {
addEvent.Instances = append(addEvent.Instances, newList...)
return addEvent
}
oldList := event.OldValue.(*pb.ServiceInstancesInProto).GetInstances()
isAdd := false
for _, v := range newList {
isAdd = true
for _, v1 := range oldList {
if v.GetId() == v1.GetId() {
isAdd = false
break
}
}
if isAdd {
addEvent.Instances = append(addEvent.Instances, v)
}
}
if len(addEvent.Instances) != 0 {
return addEvent
}
return nil
}
// CheckUpdateInstances check if the instances are valid
func CheckUpdateInstances(event *common.ServiceEventObject) *model.InstanceUpdateEvent {
if event.OldValue != nil && event.NewValue != nil {
upEvent := &model.InstanceUpdateEvent{}
newList := event.NewValue.(*pb.ServiceInstancesInProto).GetInstances()
oldList := event.OldValue.(*pb.ServiceInstancesInProto).GetInstances()
for _, v := range newList {
for _, v1 := range oldList {
if v.GetId() == v1.GetId() {
if v.GetRevision() != v1.GetRevision() {
oneUp := model.OneInstanceUpdate{
Before: v1,
After: v,
}
upEvent.UpdateList = append(upEvent.UpdateList, oneUp)
}
break
}
}
}
if len(upEvent.UpdateList) != 0 {
return upEvent
}
return nil
}
return nil
}
// CheckDeleteInstances check if the instances are valid
func CheckDeleteInstances(event *common.ServiceEventObject) *model.InstanceDeleteEvent {
if event.OldValue == nil {
return nil
}
delEvent := &model.InstanceDeleteEvent{}
oldList := event.OldValue.(*pb.ServiceInstancesInProto).GetInstances()
if event.NewValue == nil {
delEvent.Instances = append(delEvent.Instances, oldList...)
return delEvent
}
newList := event.NewValue.(*pb.ServiceInstancesInProto).GetInstances()
isDel := false
for _, v := range oldList {
isDel = true
for _, v1 := range newList {
if v.GetId() == v1.GetId() {
isDel = false
break
}
}
if isDel {
delEvent.Instances = append(delEvent.Instances, v)
}
}
if len(delEvent.Instances) != 0 {
return delEvent
}
return nil
}