README
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group
项目简介
懒加载对象容器
编译环境
- 推荐 Golang v1.12.1 以上版本编译执行
依赖包
Documentation
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Overview ¶
Package group provides a sample lazy load container. The group only creating a new object not until the object is needed by user. And it will cache all the objects to reduce the creation of object.
Index ¶
Examples ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Group ¶
Group is a lazy load container.
func (*Group) Get ¶
Get gets the object by the given key.
Example ¶
new := func() interface{} {
fmt.Println("Only Once")
return &Counter{}
}
group := NewGroup(new)
// Create a new Counter
group.Get("pass").(*Counter).Incr()
// Get the created Counter again.
group.Get("pass").(*Counter).Incr()
Output: Only Once
func (*Group) Reset ¶
func (g *Group) Reset(new func() interface{})
Reset resets the new function and deletes all existing objects.
Example ¶
new := func() interface{} {
return &Counter{}
}
group := NewGroup(new)
newV2 := func() interface{} {
fmt.Println("New V2")
return &Counter{}
}
// Reset the new function and clear all created objects.
group.Reset(newV2)
// Create a new Counter
group.Get("pass").(*Counter).Incr()
Output: New V2
Source Files
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- group.go
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