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Diffstat (limited to 'libjava/classpath/external/jsr166/java/util/concurrent/RejectedExecutionHandler.java')
-rw-r--r-- | libjava/classpath/external/jsr166/java/util/concurrent/RejectedExecutionHandler.java | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libjava/classpath/external/jsr166/java/util/concurrent/RejectedExecutionHandler.java b/libjava/classpath/external/jsr166/java/util/concurrent/RejectedExecutionHandler.java new file mode 100644 index 000000000..4b4bbeab1 --- /dev/null +++ b/libjava/classpath/external/jsr166/java/util/concurrent/RejectedExecutionHandler.java @@ -0,0 +1,33 @@ +/* + * 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 + * <tt>execute</tt> 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 other alternatives, the method may throw an + * unchecked {@link RejectedExecutionException}, which will be + * propagated to the caller of <tt>execute</tt>. + * + * @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); +} |