ai.grakn.engine.tasks

Interface TaskManager

All Known Implementing Classes:

SingleQueueTaskManager, StandaloneTaskManager

public interface TaskManager

The base TaskManager interface.

Provides common methods for scheduling tasks for execution and stopping task execution.

Author:

Denis Lobanov, alexandraorth

Method Summary

Modifier and Type	Method and Description
void	addTask(TaskState taskState, TaskConfiguration configuration) Schedule a BackgroundTask for execution.
void	close()
void	stopTask(ai.grakn.engine.TaskId id) Stop a Scheduled, Paused or Running task.
TaskStateStorage	storage() Return the StateStorage instance that is used by this class.

Method Detail

addTask

void addTask(TaskState taskState,
             TaskConfiguration configuration)

Schedule a BackgroundTask for execution.

Parameters:

taskState - Task to execute

stopTask

void stopTask(ai.grakn.engine.TaskId id)

Stop a Scheduled, Paused or Running task. Task's .stop() method will be called to perform any cleanup and the task is killed afterwards.

Parameters:

id - ID of task to stop.

storage

TaskStateStorage storage()

Return the StateStorage instance that is used by this class.

Returns:

A StateStorage instance.

close

void close()