pool

Documentation

Index

• type Pool
  • func New(lifetime time.Duration, newFunc func() (interface{}, error), ...) *Pool
  • func (p *Pool) Close() error
  • func (p *Pool) Get() (interface{}, error)
  • func (p *Pool) Put(x interface{})

Types

type Pool

type Pool struct {
	// contains filtered or unexported fields
}

Pool maintains a pool of elements available for reuse.

func New

func New(lifetime time.Duration, newFunc func() (interface{}, error), expiredFunc func(interface{})) *Pool

New returns a new pool, where items in the pool have the given lifetime. The function newFunc will be called to create a new item when the pool is empty; the function expiredFunc will be called when an item in the pool has expired, and may be nil.

func (*Pool) Close

func (p *Pool) Close() error

Close closes the pool, expiring any items currently in the pool and preventing new items from being created.

func (*Pool) Get

func (p *Pool) Get() (interface{}, error)

Get returns a new item from the pool.

func (*Pool) Put

func (p *Pool) Put(x interface{})

Put places the given item in the pool.