Interface RejectedExecutionHandler
- All Known Implementing Classes:
-
ThreadPoolExecutor.AbortPolicy,ThreadPoolExecutor.CallerRunsPolicy,ThreadPoolExecutor.DiscardOldestPolicy,ThreadPoolExecutor.DiscardPolicy
public interface RejectedExecutionHandler
A handler for tasks that cannot be executed by a
ThreadPoolExecutor.- Since:
- 1.5
Method Summary
| Modifier and Type | Method | Description |
|---|---|---|
void |
rejectedExecution |
Method that may be invoked by a ThreadPoolExecutor when execute cannot accept a task. |
Method Details
rejectedExecution
void rejectedExecution(Runnable r, ThreadPoolExecutor executor)
Method that may be invoked by a
ThreadPoolExecutor when execute cannot accept a task. This may occur when no more threads or queue slots are available because their bounds would be exceeded, or upon shutdown of the Executor. In the absence of other alternatives, the method may throw an unchecked RejectedExecutionException, which will be propagated to the caller of execute.
- Parameters:
-
r- the runnable task requested to be executed -
executor- the executor attempting to execute this task - Throws:
-
RejectedExecutionException- if there is no remedy
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https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/RejectedExecutionHandler.html