task

package
v0.14.2 Latest Latest
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 Go to latest Published: Oct 8, 2020 License: MIT Imports: 14 Imported by: 1

Documentation

Overview

Package task is a generated GoMock package.

Index

Constants

View Source 
const (
	// HighPriorityClass is the priority class for high priority tasks
	HighPriorityClass = iota << numBitsPerLevel
	// DefaultPriorityClass is the priority class for default priority tasks
	DefaultPriorityClass
	// LowPriorityClass is the priority class for low priority tasks
	LowPriorityClass
)
View Source 
const (
	// HighPrioritySubclass is the priority subclass for high priority tasks
	HighPrioritySubclass = iota
	// DefaultPrioritySubclass is the priority subclass for high priority tasks
	DefaultPrioritySubclass
	// LowPrioritySubclass is the priority subclass for high priority tasks
	LowPrioritySubclass
)
View Source 
const (
	// NoPriority is the value returned if no priority is ever assigned to the task
	NoPriority = -1
)

Variables

View Source 
var (
	// ErrTaskProcessorClosed is the error returned when submiting task to a stopped processor
	ErrTaskProcessorClosed = errors.New("task processor has already shutdown")
)
View Source 
var (
	// ErrTaskSchedulerClosed is the error returned when submitting task to a stopped scheduler
	ErrTaskSchedulerClosed = errors.New("task scheduler has already shutdown")
)

Functions

func GetTaskPriority added in v0.13.0 

func GetTaskPriority(
	class int,
	subClass int,
) int

GetTaskPriority returns priority given a task's priority class and subclass

Types

type FIFOTaskSchedulerOptions added in v0.12.0 

type FIFOTaskSchedulerOptions struct {
	QueueSize       int
	WorkerCount     int
	DispatcherCount int
	RetryPolicy     backoff.RetryPolicy
}

FIFOTaskSchedulerOptions configs FIFO task scheduler

type MockPriorityTask added in v0.12.0 

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

MockPriorityTask is a mock of PriorityTask interface

func NewMockPriorityTask added in v0.12.0 

func NewMockPriorityTask(ctrl *gomock.Controller) *MockPriorityTask

NewMockPriorityTask creates a new mock instance

func (*MockPriorityTask) Ack added in v0.12.0 

func (m *MockPriorityTask) Ack()

Ack mocks base method

func (*MockPriorityTask) EXPECT added in v0.12.0 

func (m *MockPriorityTask) EXPECT() *MockPriorityTaskMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockPriorityTask) Execute added in v0.12.0 

func (m *MockPriorityTask) Execute() error

Execute mocks base method

func (*MockPriorityTask) HandleErr added in v0.12.0 

func (m *MockPriorityTask) HandleErr(err error) error

HandleErr mocks base method

func (*MockPriorityTask) Nack added in v0.12.0 

func (m *MockPriorityTask) Nack()

Nack mocks base method

func (*MockPriorityTask) Priority added in v0.12.0 

func (m *MockPriorityTask) Priority() int

Priority mocks base method

func (*MockPriorityTask) RetryErr added in v0.12.0 

func (m *MockPriorityTask) RetryErr(err error) bool

RetryErr mocks base method

func (*MockPriorityTask) SetPriority added in v0.12.0 

func (m *MockPriorityTask) SetPriority(arg0 int)

SetPriority mocks base method

func (*MockPriorityTask) State added in v0.12.0 

func (m *MockPriorityTask) State() State

State mocks base method

type MockPriorityTaskMockRecorder added in v0.12.0 

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

MockPriorityTaskMockRecorder is the mock recorder for MockPriorityTask

func (*MockPriorityTaskMockRecorder) Ack added in v0.12.0 

func (mr *MockPriorityTaskMockRecorder) Ack() *gomock.Call

Ack indicates an expected call of Ack

func (*MockPriorityTaskMockRecorder) Execute added in v0.12.0 

func (mr *MockPriorityTaskMockRecorder) Execute() *gomock.Call

Execute indicates an expected call of Execute

func (*MockPriorityTaskMockRecorder) HandleErr added in v0.12.0 

func (mr *MockPriorityTaskMockRecorder) HandleErr(err interface{}) *gomock.Call

HandleErr indicates an expected call of HandleErr

func (*MockPriorityTaskMockRecorder) Nack added in v0.12.0 

func (mr *MockPriorityTaskMockRecorder) Nack() *gomock.Call

Nack indicates an expected call of Nack

func (*MockPriorityTaskMockRecorder) Priority added in v0.12.0 

func (mr *MockPriorityTaskMockRecorder) Priority() *gomock.Call

Priority indicates an expected call of Priority

func (*MockPriorityTaskMockRecorder) RetryErr added in v0.12.0 

func (mr *MockPriorityTaskMockRecorder) RetryErr(err interface{}) *gomock.Call

RetryErr indicates an expected call of RetryErr

func (*MockPriorityTaskMockRecorder) SetPriority added in v0.12.0 

func (mr *MockPriorityTaskMockRecorder) SetPriority(arg0 interface{}) *gomock.Call

SetPriority indicates an expected call of SetPriority

func (*MockPriorityTaskMockRecorder) State added in v0.12.0 

func (mr *MockPriorityTaskMockRecorder) State() *gomock.Call

State indicates an expected call of State

type MockProcessor added in v0.12.0 

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

MockProcessor is a mock of Processor interface

func NewMockProcessor added in v0.12.0 

func NewMockProcessor(ctrl *gomock.Controller) *MockProcessor

NewMockProcessor creates a new mock instance

func (*MockProcessor) EXPECT added in v0.12.0 

func (m *MockProcessor) EXPECT() *MockProcessorMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockProcessor) Start added in v0.12.0 

func (m *MockProcessor) Start()

Start mocks base method

func (*MockProcessor) Stop added in v0.12.0 

func (m *MockProcessor) Stop()

Stop mocks base method

func (*MockProcessor) Submit added in v0.12.0 

func (m *MockProcessor) Submit(task Task) error

Submit mocks base method

type MockProcessorMockRecorder added in v0.12.0 

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

MockProcessorMockRecorder is the mock recorder for MockProcessor

func (*MockProcessorMockRecorder) Start added in v0.12.0 

func (mr *MockProcessorMockRecorder) Start() *gomock.Call

Start indicates an expected call of Start

func (*MockProcessorMockRecorder) Stop added in v0.12.0 

func (mr *MockProcessorMockRecorder) Stop() *gomock.Call

Stop indicates an expected call of Stop

func (*MockProcessorMockRecorder) Submit added in v0.12.0 

func (mr *MockProcessorMockRecorder) Submit(task interface{}) *gomock.Call

Submit indicates an expected call of Submit

type MockScheduler added in v0.12.0 

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

MockScheduler is a mock of Scheduler interface

func NewMockScheduler added in v0.12.0 

func NewMockScheduler(ctrl *gomock.Controller) *MockScheduler

NewMockScheduler creates a new mock instance

func (*MockScheduler) EXPECT added in v0.12.0 

func (m *MockScheduler) EXPECT() *MockSchedulerMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockScheduler) Start added in v0.12.0 

func (m *MockScheduler) Start()

Start mocks base method

func (*MockScheduler) Stop added in v0.12.0 

func (m *MockScheduler) Stop()

Stop mocks base method

func (*MockScheduler) Submit added in v0.12.0 

func (m *MockScheduler) Submit(task PriorityTask) error

Submit mocks base method

func (*MockScheduler) TrySubmit added in v0.12.0 

func (m *MockScheduler) TrySubmit(task PriorityTask) (bool, error)

TrySubmit mocks base method

type MockSchedulerMockRecorder added in v0.12.0 

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

MockSchedulerMockRecorder is the mock recorder for MockScheduler

func (*MockSchedulerMockRecorder) Start added in v0.12.0 

func (mr *MockSchedulerMockRecorder) Start() *gomock.Call

Start indicates an expected call of Start

func (*MockSchedulerMockRecorder) Stop added in v0.12.0 

func (mr *MockSchedulerMockRecorder) Stop() *gomock.Call

Stop indicates an expected call of Stop

func (*MockSchedulerMockRecorder) Submit added in v0.12.0 

func (mr *MockSchedulerMockRecorder) Submit(task interface{}) *gomock.Call

Submit indicates an expected call of Submit

func (*MockSchedulerMockRecorder) TrySubmit added in v0.12.0 

func (mr *MockSchedulerMockRecorder) TrySubmit(task interface{}) *gomock.Call

TrySubmit indicates an expected call of TrySubmit

type MockSequentialTaskQueue added in v0.12.0 

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

MockSequentialTaskQueue is a mock of SequentialTaskQueue interface

func NewMockSequentialTaskQueue added in v0.12.0 

func NewMockSequentialTaskQueue(ctrl *gomock.Controller) *MockSequentialTaskQueue

NewMockSequentialTaskQueue creates a new mock instance

func (*MockSequentialTaskQueue) Add added in v0.12.0 

func (m *MockSequentialTaskQueue) Add(task Task)

Add mocks base method

func (*MockSequentialTaskQueue) EXPECT added in v0.12.0 

func (m *MockSequentialTaskQueue) EXPECT() *MockSequentialTaskQueueMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockSequentialTaskQueue) IsEmpty added in v0.12.0 

func (m *MockSequentialTaskQueue) IsEmpty() bool

IsEmpty mocks base method

func (*MockSequentialTaskQueue) Len added in v0.12.0 

func (m *MockSequentialTaskQueue) Len() int

Len mocks base method

func (*MockSequentialTaskQueue) QueueID added in v0.12.0 

func (m *MockSequentialTaskQueue) QueueID() interface{}

QueueID mocks base method

func (*MockSequentialTaskQueue) Remove added in v0.12.0 

func (m *MockSequentialTaskQueue) Remove() Task

Remove mocks base method

type MockSequentialTaskQueueMockRecorder added in v0.12.0 

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

MockSequentialTaskQueueMockRecorder is the mock recorder for MockSequentialTaskQueue

func (*MockSequentialTaskQueueMockRecorder) Add added in v0.12.0 

func (mr *MockSequentialTaskQueueMockRecorder) Add(task interface{}) *gomock.Call

Add indicates an expected call of Add

func (*MockSequentialTaskQueueMockRecorder) IsEmpty added in v0.12.0 

func (mr *MockSequentialTaskQueueMockRecorder) IsEmpty() *gomock.Call

IsEmpty indicates an expected call of IsEmpty

func (*MockSequentialTaskQueueMockRecorder) Len added in v0.12.0 

func (mr *MockSequentialTaskQueueMockRecorder) Len() *gomock.Call

Len indicates an expected call of Len

func (*MockSequentialTaskQueueMockRecorder) QueueID added in v0.12.0 

func (mr *MockSequentialTaskQueueMockRecorder) QueueID() *gomock.Call

QueueID indicates an expected call of QueueID

func (*MockSequentialTaskQueueMockRecorder) Remove added in v0.12.0 

func (mr *MockSequentialTaskQueueMockRecorder) Remove() *gomock.Call

Remove indicates an expected call of Remove

type MockTask added in v0.12.0 

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

MockTask is a mock of Task interface

func NewMockTask added in v0.12.0 

func NewMockTask(ctrl *gomock.Controller) *MockTask

NewMockTask creates a new mock instance

func (*MockTask) Ack added in v0.12.0 

func (m *MockTask) Ack()

Ack mocks base method

func (*MockTask) EXPECT added in v0.12.0 

func (m *MockTask) EXPECT() *MockTaskMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockTask) Execute added in v0.12.0 

func (m *MockTask) Execute() error

Execute mocks base method

func (*MockTask) HandleErr added in v0.12.0 

func (m *MockTask) HandleErr(err error) error

HandleErr mocks base method

func (*MockTask) Nack added in v0.12.0 

func (m *MockTask) Nack()

Nack mocks base method

func (*MockTask) RetryErr added in v0.12.0 

func (m *MockTask) RetryErr(err error) bool

RetryErr mocks base method

func (*MockTask) State added in v0.12.0 

func (m *MockTask) State() State

State mocks base method

type MockTaskMockRecorder added in v0.12.0 

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

MockTaskMockRecorder is the mock recorder for MockTask

func (*MockTaskMockRecorder) Ack added in v0.12.0 

func (mr *MockTaskMockRecorder) Ack() *gomock.Call

Ack indicates an expected call of Ack

func (*MockTaskMockRecorder) Execute added in v0.12.0 

func (mr *MockTaskMockRecorder) Execute() *gomock.Call

Execute indicates an expected call of Execute

func (*MockTaskMockRecorder) HandleErr added in v0.12.0 

func (mr *MockTaskMockRecorder) HandleErr(err interface{}) *gomock.Call

HandleErr indicates an expected call of HandleErr

func (*MockTaskMockRecorder) Nack added in v0.12.0 

func (mr *MockTaskMockRecorder) Nack() *gomock.Call

Nack indicates an expected call of Nack

func (*MockTaskMockRecorder) RetryErr added in v0.12.0 

func (mr *MockTaskMockRecorder) RetryErr(err interface{}) *gomock.Call

RetryErr indicates an expected call of RetryErr

func (*MockTaskMockRecorder) State added in v0.12.0 

func (mr *MockTaskMockRecorder) State() *gomock.Call

State indicates an expected call of State

type ParallelTaskProcessorOptions added in v0.12.0 

type ParallelTaskProcessorOptions struct {
	QueueSize   int
	WorkerCount int
	RetryPolicy backoff.RetryPolicy
}

ParallelTaskProcessorOptions configs PriorityTaskProcessor

type PriorityTask added in v0.12.0 

type PriorityTask interface {
	Task
	// Priority returns the priority of the task, or NoPriority if no priority was previously assigned
	Priority() int
	// SetPriority sets the priority of the task
	SetPriority(int)
}

PriorityTask is the interface for tasks which have and can be assigned a priority

type Processor added in v0.12.0 

type Processor interface {
	common.Daemon
	Submit(task Task) error
}

Processor is the generic coroutine pool interface which process tasks

func NewParallelTaskProcessor added in v0.12.0 

func NewParallelTaskProcessor(
	logger log.Logger,
	metricsClient metrics.Client,
	options *ParallelTaskProcessorOptions,
) Processor

NewParallelTaskProcessor creates a new PriorityTaskProcessor

func NewSequentialTaskProcessor 

func NewSequentialTaskProcessor(
	coroutineSize int,
	taskQueueHashFn collection.HashFunc,
	taskQueueFactory SequentialTaskQueueFactory,
	metricsClient metrics.Client,
	logger log.Logger,
) Processor

NewSequentialTaskProcessor create a new sequential tasks processor

type Scheduler added in v0.12.0 

type Scheduler interface {
	common.Daemon
	Submit(task PriorityTask) error
	TrySubmit(task PriorityTask) (bool, error)
}

Scheduler is the generic interface for scheduling tasks with priority and processing them

func NewFIFOTaskScheduler added in v0.12.0 

func NewFIFOTaskScheduler(
	logger log.Logger,
	metricsClient metrics.Client,
	options *FIFOTaskSchedulerOptions,
) Scheduler

NewFIFOTaskScheduler creates a new FIFO task scheduler it's an no-op implementation as it simply copy tasks from one task channel to another task channel. This scheduler is only for development purpose.

func NewWeightedRoundRobinTaskScheduler added in v0.12.0 

func NewWeightedRoundRobinTaskScheduler(
	logger log.Logger,
	metricsClient metrics.Client,
	options *WeightedRoundRobinTaskSchedulerOptions,
) (Scheduler, error)

NewWeightedRoundRobinTaskScheduler creates a new WRR task scheduler

type SchedulerType added in v0.12.0 

type SchedulerType int

SchedulerType respresents the type of the task scheduler implementation 

const (
	// SchedulerTypeFIFO is the scheduler type for FIFO scheduler implementation
	SchedulerTypeFIFO SchedulerType = iota + 1
	// SchedulerTypeWRR is the scheduler type for weighted round robin scheduler implementation
	SchedulerTypeWRR
)

type SequentialTaskQueue added in v0.5.8 

type SequentialTaskQueue interface {
	// QueueID return the ID of the queue, as well as the tasks inside (same)
	QueueID() interface{}
	// Offer push an task to the task set
	Add(task Task)
	// Poll pop an task from the task set
	Remove() Task
	// IsEmpty indicate if the task set is empty
	IsEmpty() bool
	// Len return the size of the queue
	Len() int
}

SequentialTaskQueue is the generic task queue interface which group sequential tasks to be executed one by one

type SequentialTaskQueueFactory added in v0.5.8 

type SequentialTaskQueueFactory func(task Task) SequentialTaskQueue

SequentialTaskQueueFactory is the function which generate a new SequentialTaskQueue for a give SequentialTask

type State added in v0.12.0 

type State int

State represents the current state of a task 

const (
	// TaskStatePending is the state for a task when it's waiting to be processed or currently being processed
	TaskStatePending State = iota + 1
	// TaskStateAcked is the state for a task if it has been successfully completed
	TaskStateAcked
	// TaskStateNacked is the state for a task if it can not be processed
	TaskStateNacked
)

type Task 

type Task interface {
	// Execute process this task
	Execute() error
	// HandleErr handle the error returned by Execute
	HandleErr(err error) error
	// RetryErr check whether to retry after HandleErr(Execute())
	RetryErr(err error) bool
	// Ack marks the task as successful completed
	Ack()
	// Nack marks the task as unsuccessful completed
	Nack()
	// State returns the current task state
	State() State
}

Task is the interface for tasks

type WeightedRoundRobinTaskSchedulerOptions added in v0.12.0 

type WeightedRoundRobinTaskSchedulerOptions struct {
	Weights         dynamicconfig.MapPropertyFn
	QueueSize       int
	WorkerCount     int
	DispatcherCount int
	RetryPolicy     backoff.RetryPolicy
}

WeightedRoundRobinTaskSchedulerOptions configs WRR task scheduler

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