| /* |
| * Written by Doug Lea with assistance from members of JCP JSR-166 |
| * Expert Group and released to the public domain, as explained at |
| * http://creativecommons.org/licenses/publicdomain |
| */ |
| |
| package java.util.concurrent; |
| |
| /** |
| * A handler for tasks that cannot be executed by a {@link ThreadPoolExecutor}. |
| * |
| * @since 1.5 |
| * @author Doug Lea |
| */ |
| public interface RejectedExecutionHandler { |
| |
| /** |
| * Method that may be invoked by a {@link ThreadPoolExecutor} when |
| * {@link ThreadPoolExecutor#execute 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. |
| * |
| * <p>In the absence of other alternatives, the method may throw |
| * an unchecked {@link RejectedExecutionException}, which will be |
| * propagated to the caller of {@code execute}. |
| * |
| * @param r the runnable task requested to be executed |
| * @param executor the executor attempting to execute this task |
| * @throws RejectedExecutionException if there is no remedy |
| */ |
| void rejectedExecution(Runnable r, ThreadPoolExecutor executor); |
| } |
