Package ru.yoomoney.tech.dbqueue.internal.processing

Class TaskPicker

java.lang.Object

ru.yoomoney.tech.dbqueue.internal.processing.TaskPicker

public class TaskPicker
extends java.lang.Object

Класс, обеспечивающий выборку задачи из очереди

Since:

19.07.2017

Constructor Summary

Constructors

Constructor	Description
TaskPicker(QueueShard<?> queueShard, QueueLocation queueLocation, TaskLifecycleListener taskLifecycleListener, MillisTimeProvider millisTimeProvider, QueuePickTaskDao pickTaskDao)	Constructor

Method Summary

Modifier and Type	Method	Description
TaskRecord	pickTask()	Выбрать задачу из очереди

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TaskPicker

public TaskPicker(@Nonnull
                  QueueShard<?> queueShard,
                  @Nonnull
                  QueueLocation queueLocation,
                  @Nonnull
                  TaskLifecycleListener taskLifecycleListener,
                  @Nonnull
                  MillisTimeProvider millisTimeProvider,
                  @Nonnull
                  QueuePickTaskDao pickTaskDao)

Constructor

Parameters:

queueShard - shard to bound task picker to

queueLocation - queue location

taskLifecycleListener - task listener

millisTimeProvider - current time provider

pickTaskDao - dao for picking up tasks

Method Detail

pickTask

@Nullable
public TaskRecord pickTask()

Выбрать задачу из очереди

Returns:

задача или null если отсутствует