workqueue

package
v0.16.3-0...-5896210 Latest Latest
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Published: May 6, 2015 License: Apache-2.0 Imports: 1 Imported by: 0

Documentation

Overview

Package workqueue provides a simple queue that supports the following features:

  • Fair: items processed in the order in which they are added.
  • Stingy: a single item will not be processed multiple times concurrently, and if an item is added multiple times before it can be processed, it will only be processed once.
  • Multiple consumers and producers. In particular, it is allowed for an item to be reenqueued while it is being processed.
  • Shutdown notifications.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Type

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

Type is a work queue (see the package comment).

func New

func New() *Type

New constructs a new workqueue (see the package comment).

func (*Type) Add

func (q *Type) Add(item interface{})

Add marks item as needing processing.

func (*Type) Done

func (q *Type) Done(item interface{})

Done marks item as done processing, and if it has been marked as dirty again while it was being processed, it will be re-added to the queue for re-processing.

func (*Type) Get

func (q *Type) Get() (item interface{}, shutdown bool)

Get blocks until it can return an item to be processed. If shutdown = true, the caller should end their goroutine. You must call Done with item when you have finished processing it.

func (*Type) ShutDown

func (q *Type) ShutDown()

Shutdown will cause q to ignore all new items added to it. As soon as the worker goroutines have drained the existing items in the queue, they will be instructed to exit.

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