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// 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 v2store
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
}
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