pool

package
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Published: Aug 23, 2018 License: Apache-2.0 Imports: 18 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Wrap

func Wrap(j interface{}) job.Interface

Wrap returns a new job.Interface based on the wrapped job handler reference.

Types

type GoCraftWorkPool

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

GoCraftWorkPool is the pool implementation based on gocraft/work powered by redis.

func NewGoCraftWorkPool

func NewGoCraftWorkPool(ctx *env.Context, namespace string, workerCount uint, redisPool *redis.Pool) *GoCraftWorkPool

NewGoCraftWorkPool is constructor of goCraftWorkPool.

func (*GoCraftWorkPool) CancelJob

func (gcwp *GoCraftWorkPool) CancelJob(jobID string) error

CancelJob will cancel the job

func (*GoCraftWorkPool) Enqueue

func (gcwp *GoCraftWorkPool) Enqueue(jobName string, params models.Parameters, isUnique bool) (models.JobStats, error)

Enqueue job

func (*GoCraftWorkPool) GetJobStats

func (gcwp *GoCraftWorkPool) GetJobStats(jobID string) (models.JobStats, error)

GetJobStats return the job stats of the specified enqueued job.

func (*GoCraftWorkPool) IsKnownJob

func (gcwp *GoCraftWorkPool) IsKnownJob(name string) (interface{}, bool)

IsKnownJob ...

func (*GoCraftWorkPool) PeriodicallyEnqueue

func (gcwp *GoCraftWorkPool) PeriodicallyEnqueue(jobName string, params models.Parameters, cronSetting string) (models.JobStats, error)

PeriodicallyEnqueue job

func (*GoCraftWorkPool) RegisterHook

func (gcwp *GoCraftWorkPool) RegisterHook(jobID string, hookURL string) error

RegisterHook registers status hook url sync method

func (*GoCraftWorkPool) RegisterJob

func (gcwp *GoCraftWorkPool) RegisterJob(name string, j interface{}) error

RegisterJob is used to register the job to the pool. j is the type of job

func (*GoCraftWorkPool) RegisterJobs

func (gcwp *GoCraftWorkPool) RegisterJobs(jobs map[string]interface{}) error

RegisterJobs is used to register multiple jobs to pool.

func (*GoCraftWorkPool) RetryJob

func (gcwp *GoCraftWorkPool) RetryJob(jobID string) error

RetryJob retry the job

func (*GoCraftWorkPool) Schedule

func (gcwp *GoCraftWorkPool) Schedule(jobName string, params models.Parameters, runAfterSeconds uint64, isUnique bool) (models.JobStats, error)

Schedule job

func (*GoCraftWorkPool) Start

func (gcwp *GoCraftWorkPool) Start() error

Start to serve Unblock action

func (*GoCraftWorkPool) Stats

func (gcwp *GoCraftWorkPool) Stats() (models.JobPoolStats, error)

Stats of pool

func (*GoCraftWorkPool) StopJob

func (gcwp *GoCraftWorkPool) StopJob(jobID string) error

StopJob will stop the job

func (*GoCraftWorkPool) ValidateJobParameters

func (gcwp *GoCraftWorkPool) ValidateJobParameters(jobType interface{}, params map[string]interface{}) error

ValidateJobParameters ...

type Interface

type Interface interface {
	//Start to serve
	//
	//Return:
	//  error if failed to start
	Start() error

	//Register job to the pool.
	//
	//name	string     : job name for referring
	//job	interface{}: job handler which must implement the job.Interface.
	//
	//Return:
	//  error if failed to register
	RegisterJob(name string, job interface{}) error

	//Register multiple jobs.
	//
	//jobs	map[string]interface{}: job map, key is job name and value is job handler.
	//
	//Return:
	//  error if failed to register
	RegisterJobs(jobs map[string]interface{}) error

	//Enqueue job
	//
	//jobName string           : the name of enqueuing job
	//params models.Parameters : parameters of enqueuing job
	//isUnique bool            : specify if duplicated job will be discarded
	//
	//Returns:
	//  models.JobStats: the stats of enqueuing job if succeed
	//  error          : if failed to enqueue
	Enqueue(jobName string, params models.Parameters, isUnique bool) (models.JobStats, error)

	//Schedule job to run after the specified interval (seconds).
	//
	//jobName string           : the name of enqueuing job
	//runAfterSeconds uint64   : the waiting interval with seconds
	//params models.Parameters : parameters of enqueuing job
	//isUnique bool            : specify if duplicated job will be discarded
	//
	//Returns:
	//  models.JobStats: the stats of enqueuing job if succeed
	//  error          : if failed to enqueue
	Schedule(jobName string, params models.Parameters, runAfterSeconds uint64, isUnique bool) (models.JobStats, error)

	//Schedule the job periodically running.
	//
	//jobName string           : the name of enqueuing job
	//params models.Parameters : parameters of enqueuing job
	//cronSetting string       : the periodic duration with cron style like '0 * * * * *'
	//
	//Returns:
	//  models.JobStats: the stats of enqueuing job if succeed
	//  error          : if failed to enqueue
	PeriodicallyEnqueue(jobName string, params models.Parameters, cronSetting string) (models.JobStats, error)

	//Return the status info of the pool.
	//
	//Returns:
	//  models.JobPoolStats : the stats info of all running pools
	//  error               :  failed to check
	Stats() (models.JobPoolStats, error)

	//Check if the job has been already registered.
	//
	//name string : name of job
	//
	//Returns:
	// interface{} : the job type of the known job if it's existing
	// bool        : if the known job requires parameters
	IsKnownJob(name string) (interface{}, bool)

	ValidateJobParameters(jobType interface{}, params map[string]interface{}) error

	//Get the stats of the specified job
	//
	//jobID string : ID of the enqueued job
	//
	//Returns:
	//  models.JobStats : job stats data
	//  error           : error returned if meet any problems
	GetJobStats(jobID string) (models.JobStats, error)

	//Stop the job
	//
	//jobID string : ID of the enqueued job
	//
	//Return:
	//  error           : error returned if meet any problems
	StopJob(jobID string) error

	//Cancel the job
	//
	//jobID string : ID of the enqueued job
	//
	//Return:
	//  error           : error returned if meet any problems
	CancelJob(jobID string) error

	//Retry the job
	//
	//jobID string : ID of the enqueued job
	//
	//Return:
	//  error           : error returned if meet any problems
	RetryJob(jobID string) error

	//Register hook
	//
	//jobID string   : ID of job
	//hookURL string : the hook url
	//
	//Return:
	//  error        : error returned if meet any problems
	RegisterHook(jobID string, hookURL string) error
}

Interface for worker pool. More like a driver to transparent the lower queue.

type MessageServer

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

MessageServer implements the sub/pub mechanism via redis to do async message exchanging.

func NewMessageServer

func NewMessageServer(ctx context.Context, namespace string, redisPool *redis.Pool) *MessageServer

NewMessageServer creates a new ptr of MessageServer

func (*MessageServer) Start

func (ms *MessageServer) Start() error

Start to serve

func (*MessageServer) Subscribe

func (ms *MessageServer) Subscribe(event string, callback interface{}) error

Subscribe event with specified callback

type RedisJob

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

RedisJob is a job wrapper to wrap the job.Interface to the style which can be recognized by the redis pool.

func NewRedisJob

func NewRedisJob(j interface{}, ctx *env.Context, statsManager opm.JobStatsManager) *RedisJob

NewRedisJob is constructor of RedisJob

func (*RedisJob) Run

func (rj *RedisJob) Run(j *work.Job) error

Run the job

type RedisPoolContext

type RedisPoolContext struct{}

RedisPoolContext ... We did not use this context to pass context info so far, just a placeholder.

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