TriggerContext (Spring Framework 5.2.12.RELEASE API)

所有已知实现类:
SimpleTriggerContext
```
public interface TriggerContext
```
Context object encapsulating last execution times and last completion time of a given task.
从以下版本开始:
3.0
作者:
Juergen Hoeller

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`Date`	`lastActualExecutionTime()`	Return the last actual execution time of the task, or `null` if not scheduled before.
`Date`	`lastCompletionTime()`	Return the last completion time of the task, or `null` if not scheduled before.
`Date`	`lastScheduledExecutionTime()`	Return the last scheduled execution time of the task, or `null` if not scheduled before.

- 方法详细资料
  - lastScheduledExecutionTime
```
@Nullable
Date lastScheduledExecutionTime()
```
    Return the last scheduled execution time of the task, or null if not scheduled before.
  - lastActualExecutionTime
```
@Nullable
Date lastActualExecutionTime()
```
    Return the last actual execution time of the task, or null if not scheduled before.
  - lastCompletionTime
```
@Nullable
Date lastCompletionTime()
```
    Return the last completion time of the task, or null if not scheduled before.