worker

package
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Published: May 17, 2019 License: Apache-2.0 Imports: 1 Imported by: 0

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Types

type Interface

type Interface interface {
	// Start to serve
	Start() 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 job.Parameters : parameters of enqueuing job
	// isUnique bool         : specify if duplicated job will be discarded
	// webHook string        : the server URL to receive hook events
	//
	// Returns:
	//  *job.Stats : the stats of enqueuing job if succeed
	//  error      : if failed to enqueue
	Enqueue(jobName string, params job.Parameters, isUnique bool, webHook string) (*job.Stats, 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 job.Parameters  : parameters of enqueuing job
	// isUnique bool          : specify if duplicated job will be discarded
	// webHook string        : the server URL to receive hook events
	//
	// Returns:
	//  *job.Stats: the stats of enqueuing job if succeed
	//  error          : if failed to enqueue
	Schedule(jobName string, params job.Parameters, runAfterSeconds uint64, isUnique bool, webHook string) (*job.Stats, error)

	// Schedule the job periodically running.
	//
	// jobName string        : the name of enqueuing job
	// params job.Parameters : parameters of enqueuing job
	// cronSetting string    : the periodic duration with cron style like '0 * * * * *'
	// isUnique bool         : specify if duplicated job will be discarded
	// webHook string        : the server URL to receive hook events
	//
	// Returns:
	//  models.JobStats: the stats of enqueuing job if succeed
	//  error          : if failed to enqueue
	PeriodicallyEnqueue(jobName string, params job.Parameters, cronSetting string, isUnique bool, webHook string) (*job.Stats, error)

	// Return the status info of the worker.
	//
	// Returns:
	//  *Stats : the stats info of all running pools
	//  error  :  failed to check
	Stats() (*Stats, 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 job.Parameters) error

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

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

type Stats

type Stats struct {
	Pools []*StatsData `json:"worker_pools"`
}

Stats represents the healthy and status of all the running worker pools.

type StatsData

type StatsData struct {
	WorkerPoolID string   `json:"worker_pool_id"`
	StartedAt    int64    `json:"started_at"`
	HeartbeatAt  int64    `json:"heartbeat_at"`
	JobNames     []string `json:"job_names"`
	Concurrency  uint     `json:"concurrency"`
	Status       string   `json:"status"`
}

StatsData represents the healthy and status of the worker worker.

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