khenaidoo | ab1f7bd | 2019-11-14 14:00:27 -0500 | [diff] [blame] | 1 | // Copyright 2015 The etcd Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package v2store |
| 16 | |
| 17 | const ( |
| 18 | Get = "get" |
| 19 | Create = "create" |
| 20 | Set = "set" |
| 21 | Update = "update" |
| 22 | Delete = "delete" |
| 23 | CompareAndSwap = "compareAndSwap" |
| 24 | CompareAndDelete = "compareAndDelete" |
| 25 | Expire = "expire" |
| 26 | ) |
| 27 | |
| 28 | type Event struct { |
| 29 | Action string `json:"action"` |
| 30 | Node *NodeExtern `json:"node,omitempty"` |
| 31 | PrevNode *NodeExtern `json:"prevNode,omitempty"` |
| 32 | EtcdIndex uint64 `json:"-"` |
| 33 | Refresh bool `json:"refresh,omitempty"` |
| 34 | } |
| 35 | |
| 36 | func newEvent(action string, key string, modifiedIndex, createdIndex uint64) *Event { |
| 37 | n := &NodeExtern{ |
| 38 | Key: key, |
| 39 | ModifiedIndex: modifiedIndex, |
| 40 | CreatedIndex: createdIndex, |
| 41 | } |
| 42 | |
| 43 | return &Event{ |
| 44 | Action: action, |
| 45 | Node: n, |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | func (e *Event) IsCreated() bool { |
| 50 | if e.Action == Create { |
| 51 | return true |
| 52 | } |
| 53 | return e.Action == Set && e.PrevNode == nil |
| 54 | } |
| 55 | |
| 56 | func (e *Event) Index() uint64 { |
| 57 | return e.Node.ModifiedIndex |
| 58 | } |
| 59 | |
| 60 | func (e *Event) Clone() *Event { |
| 61 | return &Event{ |
| 62 | Action: e.Action, |
| 63 | EtcdIndex: e.EtcdIndex, |
| 64 | Node: e.Node.Clone(), |
| 65 | PrevNode: e.PrevNode.Clone(), |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | func (e *Event) SetRefresh() { |
| 70 | e.Refresh = true |
| 71 | } |