etcd/store/event.go
Xiang Li 53084ebead etcd: fix refresh feature
When using refresh, etcd store v2 watch is broken. Although with refresh
store should not trigger current watchers, it should still add events into
the watchhub to make a complete history. Current store fails to add the event
into the watchhub, which causes issues.
2016-05-25 13:33:31 -07:00

72 lines
1.7 KiB
Go

// Copyright 2015 The etcd 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 store
const (
Get = "get"
Create = "create"
Set = "set"
Update = "update"
Delete = "delete"
CompareAndSwap = "compareAndSwap"
CompareAndDelete = "compareAndDelete"
Expire = "expire"
)
type Event struct {
Action string `json:"action"`
Node *NodeExtern `json:"node,omitempty"`
PrevNode *NodeExtern `json:"prevNode,omitempty"`
EtcdIndex uint64 `json:"-"`
Refresh bool `json:"refresh,omitempty"`
}
func newEvent(action string, key string, modifiedIndex, createdIndex uint64) *Event {
n := &NodeExtern{
Key: key,
ModifiedIndex: modifiedIndex,
CreatedIndex: createdIndex,
}
return &Event{
Action: action,
Node: n,
}
}
func (e *Event) IsCreated() bool {
if e.Action == Create {
return true
}
return e.Action == Set && e.PrevNode == nil
}
func (e *Event) Index() uint64 {
return e.Node.ModifiedIndex
}
func (e *Event) Clone() *Event {
return &Event{
Action: e.Action,
EtcdIndex: e.EtcdIndex,
Node: e.Node.Clone(),
PrevNode: e.PrevNode.Clone(),
}
}
func (e *Event) SetRefresh() {
e.Refresh = true
}