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## org.springframework.core.task
Interface AsyncTaskExecutor

All Superinterfaces:
  TaskExecutor

All Known Implementing Classes:
  GlassFishWorkManagerTaskExecutor, JBossWorkManagerTaskExecutor, SimpleAsyncTaskExecutor, WorkManagerTaskExecutor

    public interface AsyncTaskExecutor

extends TaskExecutor

Extended interface for asynchronous `TaskExecutor` implementations, offering an overloaded `execute(Runnable, long)` variant with start timeout parameter.

Implementing this interface also indicates that the `TaskExecutor.execute(Runnable)` method will not execute its Runnable in the caller's thread but rather asynchronously in some other thread (at least usually).

Since:
  2.0.3
Author:
  Juergen Hoeller
See Also:
  `SimpleAsyncTaskExecutor`, `SchedulingTaskExecutor`

Field Summary
`static long` | `TIMEOUT_IMMEDIATE` Constant that indicates immediate execution
`static long` | `TIMEOUT_INDEFINITE` Constant that indicates no time limit

Method Summary
`void` | `execute(Runnable task, long startTimeout)` Execute the given `task`.

Methods inherited from interface org.springframework.core.task.TaskExecutor
`execute`

Field Detail

### TIMEOUT_IMMEDIATE

    static final long TIMEOUT_IMMEDIATE

  Constant that indicates immediate execution

  See Also:
    Constant Field Values

### TIMEOUT_INDEFINITE

    static final long TIMEOUT_INDEFINITE

  Constant that indicates no time limit

  See Also:
    Constant Field Values

Method Detail

### execute

    void execute(Runnable task,
                 long startTimeout)

  Execute the given `task`.

  Parameters:
    `task` - the `Runnable` to execute (never `null`)
    `startTimeout` - the time duration within which the task is supposed to start. This is intended as a hint to the executor, allowing for preferred handling of immediate tasks. Typical values are `TIMEOUT_IMMEDIATE` or `TIMEOUT_INDEFINITE` (the default as used by `TaskExecutor.execute(Runnable)`).
  Throws:
    `TaskTimeoutException` - in case of the task being rejected because of the timeout (i.e. it cannot be started in time)
    `TaskRejectedException` - if the given task was not accepted

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