mirror of
https://github.com/crazybber/go-pattern-examples.git
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60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package visitor
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import "fmt"
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////////////////////////////////
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//使用石油的例子
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//IGasResource 作为资源提供接口
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type IGasResource interface {
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Accept(IGasVisitor)
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}
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//gas 汽油
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type gas struct {
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density int
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}
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//IGasVisitor 访问者接口
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type IGasVisitor interface {
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Visit(gas)
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}
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//Accept 接待汽油客户
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func (g gas) Accept(visitor IGasVisitor) {
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visitor.Visit(g)
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}
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//diesel 柴油
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type diesel struct {
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energy int
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}
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//IDieselVisitor 访问者接口
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type IDieselVisitor interface {
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Visit(diesel)
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}
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//Accept 提供柴油
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func (d diesel) Accept(visitor IDieselVisitor) {
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visitor.Visit(d)
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}
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//militaryFactory 军工厂,消费石油,制造务器
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type militaryFactory struct {
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name string
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}
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//Visit 军工厂只够买柴油,制造武器
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func (m *militaryFactory) Visit(d diesel) {
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fmt.Println("militaryFactory: use diesel with inner energy", d.energy)
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}
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// clothFactory 服务装类工厂,购买汽油,制造化纤物品
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type clothFactory struct{}
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//Visit 购买汽油
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func (c *clothFactory) Visit(g gas) {
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fmt.Println("clothFactory: use gas with density", g.density)
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}
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