Module io.helidon.scheduling
Package io.helidon.scheduling

Class Scheduling.CronBuilder

java.lang.Object
io.helidon.scheduling.Scheduling.CronBuilder
All Implemented Interfaces:
io.helidon.common.Builder<Scheduling.CronBuilder,Task>, Supplier<Task>
Enclosing class:
Scheduling
public static final class Scheduling.CronBuilder extends Object implements io.helidon.common.Builder<Scheduling.CronBuilder,Task>
Builder for task executed periodically according to provided cron expression.

  • Method Details

    • executor

      public Scheduling.CronBuilder executor(ScheduledExecutorService executorService)
      Custom ScheduledExecutorService used for executing scheduled task.
      Parameters:
      executorService - custom ScheduledExecutorService
      Returns:
      this builder

    • expression

      public Scheduling.CronBuilder expression(String cronExpression)
      Cron expression for specifying period of execution.

      Examples:

      • 0/2 * * * * ? * - Every 2 seconds
      • 0 45 9 ? * * - Every day at 9:45
      • 0 15 8 ? * MON-FRI - Every workday at 8:15
      Parameters:
      cronExpression - cron expression
      Returns:
      this builder

    • concurrentExecution

      public Scheduling.CronBuilder concurrentExecution(boolean allowConcurrentExecution)
      Allow concurrent execution if previous task didn't finish before next execution. Default value is true.
      Parameters:
      allowConcurrentExecution - true for allow concurrent execution.
      Returns:
      this builder

    • task

      public Scheduling.CronBuilder task(ScheduledConsumer<CronInvocation> task)
      Task to be scheduled for execution.
      Parameters:
      task - scheduled for execution
      Returns:
      this builder

    • build

      public Task build()
      Specified by:
      build in interface io.helidon.common.Builder<Scheduling.CronBuilder,Task>