| /* |
| Copyright 2016 The Kubernetes Authors. |
| |
| 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, |
| 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 etcd3 |
| |
| import ( |
| "github.com/coreos/etcd/clientv3" |
| "github.com/coreos/etcd/mvcc/mvccpb" |
| ) |
| |
| type event struct { |
| key string |
| value []byte |
| prevValue []byte |
| rev int64 |
| isDeleted bool |
| isCreated bool |
| } |
| |
| // parseKV converts a KeyValue retrieved from an initial sync() listing to a synthetic isCreated event. |
| func parseKV(kv *mvccpb.KeyValue) *event { |
| return &event{ |
| key: string(kv.Key), |
| value: kv.Value, |
| prevValue: nil, |
| rev: kv.ModRevision, |
| isDeleted: false, |
| isCreated: true, |
| } |
| } |
| |
| func parseEvent(e *clientv3.Event) *event { |
| ret := &event{ |
| key: string(e.Kv.Key), |
| value: e.Kv.Value, |
| rev: e.Kv.ModRevision, |
| isDeleted: e.Type == clientv3.EventTypeDelete, |
| isCreated: e.IsCreate(), |
| } |
| if e.PrevKv != nil { |
| ret.prevValue = e.PrevKv.Value |
| } |
| return ret |
| } |