levelqueue

package module

v0.0.0-...-02b525a Latest Latest Go to latest Published: Feb 17, 2019 License: MIT Imports: 5 Imported by: 2

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Level queue is a simple queue golang library base on go-leveldb.

go get github.com/lunny/levelqueue

queue, err := levelqueue.Open("./queue")

err = queue.RPush([]byte("test"))

data, err = queue.LPop()

This section is empty.

View Source

var (
	// ErrNotFound means no element in queue
	ErrNotFound = errors.New("no key found")
)

This section is empty.

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

Queue defines a queue struct

func Open(dataDir string) (*Queue, error)

Open opens a queue object or create it if not exist

func (queue *Queue) Close() error

Close closes the queue

func (queue *Queue) LPop() ([]byte, error)

LPop pop a data from left of queue

func (queue *Queue) LPush(data []byte) error

LPush pushes a data from left of queue

func (queue *Queue) Len() int64

Len returns the length of the queue

func (queue *Queue) RPop() ([]byte, error)

RPop pop a data from right of queue

func (queue *Queue) RPush(data []byte) error

RPush pushes a data from right of queue