queue

Documentation

Index

• Constants
• type Queue
  • func NewQueue() *Queue
  • func (q *Queue) Append(data interface{})
  • func (q *Queue) AppendPriority(data interface{}, priority int)
  • func (q *Queue) Empty() bool
  • func (q *Queue) Len() int
  • func (q *Queue) Next() (interface{}, bool)
  • func (q *Queue) Process(callback func(interface{}))
  • func (q *Queue) SendSignal()

Constants

const (
	PriorityLow int = iota
	PriorityNormal
	PriorityHigh
	PriorityCritical
)

The priority levels for the priority Queue.

Types

type Queue

type Queue struct {
	sync.Mutex
	Signal chan struct{}
	// contains filtered or unexported fields
}

Queue implements a FIFO data structure.

func NewQueue

func NewQueue() *Queue

NewQueue return an initialized Queue.

func (*Queue) Append

func (q *Queue) Append(data interface{})

Append adds the data to the Queue at priority level PriorityNormal.

func (*Queue) AppendPriority

func (q *Queue) AppendPriority(data interface{}, priority int)

AppendPriority adds the data to the Queue with respect to priority.

func (*Queue) Empty

func (q *Queue) Empty() bool

Empty returns true if the Queue is empty.

func (*Queue) Len

func (q *Queue) Len() int

Len returns the current length of the Queue

func (*Queue) Next

func (q *Queue) Next() (interface{}, bool)

Next returns the data at the front of the Queue.

func (*Queue) Process

func (q *Queue) Process(callback func(interface{}))

Process will execute the callback parameter for each element on the Queue.

func (*Queue) SendSignal

func (q *Queue) SendSignal()

SendSignal puts an element on the queue signal channel.