57 lines
929 B
Go
57 lines
929 B
Go
package state
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import (
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"fmt"
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)
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type State interface {
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executeState(c *Context)
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}
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type Context struct {
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StepIndex int
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StepName string
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Current State
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}
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type StartState struct{}
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func (s *StartState) executeState(c *Context) {
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c.StepIndex = 1
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c.StepName = "start"
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c.Current = &StartState{}
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}
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type InprogressState struct{}
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func (s *InprogressState) executeState(c *Context) {
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c.StepIndex = 2
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c.StepName = "inprogress"
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c.Current = &InprogressState{}
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}
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type StopState struct{}
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func (s *StopState) executeState(c *Context) {
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c.StepIndex = 3
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c.StepName = "stop"
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c.Current = &StopState{}
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}
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func StateDemo() {
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context := &Context{}
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var state State
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state = &StartState{}
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state.executeState(context)
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fmt.Println("state: ", context)
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state = &InprogressState{}
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state.executeState(context)
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fmt.Println("state: ", context)
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state = &StopState{}
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state.executeState(context)
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fmt.Println("state: ", context)
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}
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