mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-11-30 10:48:15 +08:00
76 lines
2.1 KiB
Go
76 lines
2.1 KiB
Go
// RAINBOND, Application Management Platform
|
|
// Copyright (C) 2014-2017 Goodrain Co., Ltd.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version. For any non-GPL usage of Rainbond,
|
|
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
|
|
// must be obtained first.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package watch
|
|
|
|
// Interface can be implemented by anything that knows how to watch and report changes.
|
|
type Interface interface {
|
|
// Stops watching. Will close the channel returned by ResultChan(). Releases
|
|
// any resources used by the watch.
|
|
Stop()
|
|
|
|
// Returns a chan which will receive all the events. If an error occurs
|
|
// or Stop() is called, this channel will be closed, in which case the
|
|
// watch should be completely cleaned up.
|
|
ResultChan() <-chan Event
|
|
}
|
|
|
|
// EventType defines the possible types of events.
|
|
type EventType string
|
|
|
|
const (
|
|
Added EventType = "ADDED"
|
|
Modified EventType = "MODIFIED"
|
|
Deleted EventType = "DELETED"
|
|
Error EventType = "ERROR"
|
|
|
|
DefaultChanSize int32 = 100
|
|
)
|
|
|
|
// Event represents a single event to a watched resource.
|
|
type Event struct {
|
|
Type EventType
|
|
Source *event
|
|
Error Status
|
|
}
|
|
|
|
//GetKey GetKey
|
|
func (e Event) GetKey() string {
|
|
return e.Source.key
|
|
}
|
|
|
|
//GetValue GetValue
|
|
func (e Event) GetValue() []byte {
|
|
return e.Source.value
|
|
}
|
|
|
|
//GetValueString GetValueString
|
|
func (e Event) GetValueString() string {
|
|
return string(e.Source.value)
|
|
}
|
|
|
|
//GetPreValue GetPreValue
|
|
func (e Event) GetPreValue() []byte {
|
|
return e.Source.prevValue
|
|
}
|
|
|
|
//GetPreValueString GetPreValueString
|
|
func (e Event) GetPreValueString() string {
|
|
return string(e.Source.prevValue)
|
|
}
|