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https://github.com/etcd-io/etcd.git
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74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
/*
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Copyright 2014 CoreOS, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package store
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const (
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Get = "get"
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Create = "create"
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Set = "set"
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Update = "update"
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Delete = "delete"
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CompareAndSwap = "compareAndSwap"
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CompareAndDelete = "compareAndDelete"
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Expire = "expire"
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)
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type Event struct {
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Action string `json:"action"`
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Node *NodeExtern `json:"node,omitempty"`
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PrevNode *NodeExtern `json:"prevNode,omitempty"`
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EtcdIndex uint64 `json:"-"`
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}
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func newEvent(action string, key string, modifiedIndex, createdIndex uint64) *Event {
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n := &NodeExtern{
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Key: key,
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ModifiedIndex: modifiedIndex,
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CreatedIndex: createdIndex,
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}
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return &Event{
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Action: action,
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Node: n,
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}
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}
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func (e *Event) IsCreated() bool {
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if e.Action == Create {
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return true
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}
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if e.Action == Set && e.PrevNode == nil {
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return true
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}
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return false
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}
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func (e *Event) Index() uint64 {
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return e.Node.ModifiedIndex
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}
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func (e *Event) Clone() *Event {
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return &Event{
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Action: e.Action,
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EtcdIndex: e.EtcdIndex,
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Node: e.Node.Clone(),
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PrevNode: e.PrevNode.Clone(),
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}
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}
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